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AG_6-5000users manual.qxd - Northern Tool + Equipment

1. 1 Press POWER to display the EZ SCAN scanner opening screen 2 Press DATA to display the Data menu Use the arrow keys until 2 Memory Codes is highlighted then press ENTER 3 If no Memory Codes are in the vehicle s computer code 11 or code 111 System Pass will be displayed If a Memory Code is detected the fault and its descrip tion will be displayed on the scan ner screen The fault code number will be displayed in the upper left cor ner of the screen TP auroxray ROBO Codes Senor Cones ZIER Dos 4Clea Cocks EL Data GETE P auroxrar 123 Throttle Fosition sensor is out of range Adown arrow on the screen indicates more information Use the arrow keys to view the additional text e Use the lt and gt arrow keys to view any other faults 4 Press DATA to exit Data mode and display the opening screen Page 41 EZ SCAN EZ SCAN View THE KOER Copes FORD Before You Start e Your vehicle must be scanned before viewing the KOER data If DATA is pressed and the vehicle BR auroxray has not been scanned the scan 1 KOED Codes ner will display Press the Scan Sioa ea key to Scan New Data 4Clear Codes Refer to Key ON Engine ee Running KOER Scan on page a aa 33 1 Press POWER to display the EZ SCAN scanner opening screen 2 Press DATA to display the Data menu Use the arrow keys until 3 KOER Codes is highlighted then press ENTER P AUTOXRAY 3 If no KO
2. OBD II Generic Operational Data Items cccccceeeeereeeeeeees 57 Enhanced OBD II Operational Data IteMS ceeeeeeeeeeeeees 59 OBD II Oxygen Sensor Test Readings ccccccccsssseetseeeeeeees 61 GM Operational Data Items eee eeeceeeeeeeeteeeeeeeeaeeeeeeees 63 Ford DCL Operational Data Items cceeeeeeeeeeeeeeeeeeeeneeees 76 Chrysler Operational Data Items 0 cccccceeeeeeeeeeeteeeeeeeteeeeeeeeees 79 Upgrade Update Specifications Scanner Upgrade Adding Capability Phone or Internet 85 Registration Card sissen e i a ai as ete 86 Scanner Update Loading New Software Version cc008 86 System Information A herd satecieauretatasmanisdevep anti Sloe eearutduracderentmantes 86 Set the Time Units for Capture Mode cceeeeeeeeee 87 Technical Description of OBD I and il eee 89 Product Warranty Policy cece eee eeeeeeeeeeeeeeeeeeeeeennaees 92 Additional Products ACCeSSOTICS cceccceseeeeeeteeeees 93 INGO X EE E E enahadee catnegenea cal aa cetihe coved tanecatezacs tenchagacanets 95 Registration Card Please complete the enclosed Registration Card and return it or call 480 804 1673 It is the only way AutoXray can notify you of future updates upgrades for your scanner Thank You for buying the EZ SCAN Scanner from AutoXray the leading provider in cost effective automotive diagnostic scanners Pag
3. EES Page 19 EZ SCAN EZ SCAN View FREEZE FRAME Au OBD II GM OBD I CHRYSLER OBD I Viewing OBD II Freeze Frame Data 1 If the EZ SCAN scanner is not ON press POWER to display the opening screen 2 Press DATA to display the Data menu Press the arrow keys until 2 Freeze Frame Data is highlighted then press ENTER NOTE If no Freeze Frame data is available the scanner will dis playaNo Freeze Frame Data message then dis play the Data Menu 3 The Trouble Code which caused the Freeze Frame data to be captured will be displayed on the screen Adown arrow on the screen indicates more information Use the arrow keys to view the additional text e Press ENTER to view Freeze Frame operation data TP auroxray View TROUBLE CODES Before You Start e Your vehicle must be scanned before clearing trouble codes If DATA is pressed and the vehicle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Scanning the Vehicle on page 13 Viewing Trouble Codes 1 If the scanner is not ON press POWER to display the opening screen 2 Press DATA to display the Data menu GM Chrysler Use the arrow keys until 2 Trouble Codes is highlighted then press ENTER Page 20 EZ SCAN EZ SCAN View TROUBLE CODES AL OBD II GM OBD I CHRYSLER OBD I OBD II Use the arrow keys until 3 Trouble Codes is high lighted then press ENTER 3 OBD II OBD II vehic
4. air conditioning radio etc are OFF Page 35 EZ SCAN EZ SCAN 3 Connect the EZ SCAN scan ner cable to the scanner and to the vehicle EEC IV comput er connector then press POVWVER to display the EZ SCAN scanner opening screen Make sure the vehicle ignition key has been OFF for at least ten seconds after warm up Turn the ignition key to start the engine then press SCAN e Vehicles that support DCL will display a Scan menu Make sure 1 KOEO KOER Scan is highlighted then press ENTER When the scanner is ready to scan the vehicle ENTER to Scan will be displayed on the screen Press ENTER to start scanning the vehicle comput er sensors Pressing SCAN again will abort Scan mode and display the opening screen Scanning Data will be displayed while the vehicle computer is scanned A nor mal scan can take up to five minutes Page 36 SCAN THE KOER Copes ForbD Conr P auroxray Enter to Scan Scan to Exit P auroxrar wacerriiing Date Ryjlirckes 3 TP auroxray wScerring Deter Drenoc Peepers Z SCAN EZ SCAN SCAN THE KOEO Copes FoRD Cont e Vehicles equipped with a Power Steering Pressure Switch Turn the steering wheel 1 2 turn and release when prompted e Vehicles equipped with a Brake ON OFF Switch Press and release the brake when prompted 7 If the vehicle is equipped with an automatic transmission place the car
5. and the vehicle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Scanning the Vehicle on page 13 Clearing Trouble Codes 1 Press DATA to display the Data Make sure the EZ SCAN scanner cable is correctly connected to the scanner and to the vehicle the engine is OFF and the vehi cle ignition key is ON then press POWER TP auroxrar menu GM Chrysler Use the arrow keys until 3 Clear Codes is highlighted then press ENTER OBD II Use the arrow keys until 4 Clear Codes is highlighted then press ENTER Page 22 EZ SCAN EZ SCAN CLEAR THE CODES AL OBD II GM OBD I CHRYSLER OBD I 3 ENTER to Clear will be dis played on the screen Press ENTER to clear all the codes in the vehi cle s computer Pressing DATA again will take the unit out of Data mode and display the opening screen 4 After the codes have been cleared Clear Successful will be displayed Press DATA to display the opening screen P auroxray Reset EMR Lamp CuHRYSLER 1989 95 Before You Start e Chrysler The Engine Maintenance Repair EMR lamp reset feature is only available on Chrysler trucks vans and 1991 and later Jeeps Resetting the EMR Lamp 1 Make sure the EZ SCAN scanner cable is correctly connected to the scanner and to the vehicle the vehicle engine is OFF the vehicle ignition key is ON then press POWER 2 Press DATA to display the Data menu U
6. display a Scan menu Use the arrow keys until 2 DCL Data Scan is highlighted then press ENTER 4 When the scanner is ready to scan the vehicle ENTER to Page 38 TP auToxray Futchray 668 FORD 35 LIHA P auroxrar 1 EDED ECER Sos ZEL Data Scan PB avroxrar Ente to Soar Scan to Exit P auroxrar watering Dats Fleece Wait gaen o faa SCAN THE DCL Data FORD Cont Scan will be displayed on the screen Press ENTER to start B auroxnar scanning the vehicle computer sensors Pressing SCAN again will abort Scan mode and display the opening screen 5 Initializing will be dis played when entering the DCL scan A normal scan can take up to one minute or longer 6 After the scanner has read all the data from the vehicle the Scan Successful message will be displayed on the screen followed by the opening screen Operational Data Items To see a description of each of the Operational Data Items for your vehicle refer to Ford DCL Operational Data Items on page 57 View THE KOEO Copes Forp Before You Start e Your vehicle must be scanned before viewing the KOEO codes If DATA is pressed and the vehicle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Key ON Engine OFF KOEO Scan on page 33 The EZ SCAN scanner DOES NOT need to be connected to the vehicle to view the scanned data The vehicle engine configuration and data will re
7. 3 Contrast Adjust gt 3 User Upgrade Serial Number Select Upgrade Seed gt 4 Download Page 53 EZ SCAN EZ SCAN TROUBLESHOOTING CONT Connect to EZ PC software Enter to begin gt 5 System Info Software Version V X XX K X XX Serial Number 9999999 ID 1 XXXXXXXX ID 2 XXXXXXXX Systems Avaliable SCAN OBD II GM Chrysler gt ENTER to Scan SCAN to Exit SCAN Ford gt 1 KOEO KOER Scan gt 2 DCL Data Scan MON OBD II gt 1 Capture Mode 1 Start Capture 2 View Data gt 2 0xygen Tests 1 02 Select 1 2 02 Select 2 supports up to 8 sensors gt 3 Readiness Tests gt 4 Test Results gt 5 Veh Information MON GM Chrysler gt 1 Start Capture gt 2 View Data Scanner Screen Menu Trees Cont MON Ford gt 1 Wiggle Test gt 2 DCL Capture 1 Start Capture 2 View Data DATA OBD II Page 54 EZ SCAN EZ SCAN 5 TROUBLESHOOTING CONT gt 1 Operation Data gt 2 Freeze Frame Data gt 3 Trouble Codes 1 Trouble Codes 2 Pending Codes gt 4 Clear Data gt 5 Customize Data gt 6 EZ PC DATA GM OBD I gt 1 Op Data gt 2 Trouble Codes gt 3 Clear Codes gt 4 EZ PC DATA Ford OBD gt 1 KOEO Codes gt 2 Memory Codes gt 3 KOER Codes gt 4 Clear Codes gt 5 DCL Data gt 6 EZ PC DATA Chrysler OBD I gt 1 Op Data gt 2 Trouble Codes gt 3 Clear Codes gt 4 EMR Reset Not all vehicles gt 5 EZ PC Page 55 EZ SCAN EZ SCAN 5 OPERATIONAL DATA ITEMS e See OBD II
8. Chrysler vehicles have a sensor to detect transmission fluid temperature Trans Fluid Sens Volts Range 0 to 5 Volts The transmission fluid temperature sensor input voltage that the PCM uses to convert to a temperature Page 83 EZ SCAN EZ SCAN CHRYSLER OPERATIONAL DATA ITEMS Vacuum in Hg Range 0 to 60 in Hg The PCM calculated vacuum reading as converted from barometric pressure and manifold absolute pressure Vehicle Speed MPH The PCM reads input from the speed sensor to determine if the vehicle is changing speed or idling with the throttle closed Wastegate Cycle on time Range 0 to 100 For turbocharged vehicles the wastegate is used to keep exhaust gases from affecting the impeller of the turbine and pass out through the exhaust The wastegate solenoid will cycle once desired manifold absolute pressure has been obtained to prevent overboost This parameter is displayed as a per centage that the wastegate is open on time Water in Fuel Volts Range 0 to 5 Volts This parameter indicates water present in the fuel system Higher water con tent will equate to a higher voltage Page 84 EZ SCAN SCAN S an UPGRADE UPDATE SPECIFICATIONS This section contains information about the following subjects e Scanner Upgrade Adding Capability Phone or Internet e Scanner Update Loading New Software Version e System Information e Set the Time Units for Capture Mode e Technical Description of OBD I and
9. Coolant Temp F Range 40 to 392 This displays the converted voltage from the Engine Coolant Temperature sensor to degrees Fahrenheit Engine Speed RPM Engine speed based on the crank position input High Speed Fan On Off The high speed fan is the primary fan for cooling transverse mounted engines The screen should indicate ON if the ECM is commanding the high speed fan ON If the ECM is commanding the fan OFF the screen should indicate OFF Idle Air Control duty cycle Range 0 to 100 The solenoid in the Idle Air Control valve is modulated to control the amount of air entering the manifold at an idle condition Zero percent represents a closed valve manifold not subject to atmosphere 100 represents a full open valve manifold exposed to atmosphere Injector PW mS Range 0 to 20 mS Amount of on time base duration pulse width for an injector as determined by the ECM The longer the duration the more fuel added Pulse width will be less for Sequential Electronic Fuel Injection SEFI because there is an injector for every cylinder Most Electronic Fuel Injection Center Point Injection CPI or High Swirl Combustion HSC motors will have longer durations due to only having 1 or 2 fuel injectors Page 76 gaen ge J ForpD DCL OPERATIONAL DATA ITEMS Intake Air Temp Volts Range 0 to 5 Volts Displays the voltage of the temperature sensor which measures the temperature of the air flowing into the manifold
10. II Scanner Upgrade Adding Capability Phone or Internet Upgrading the scanner involves enabling features in your scanner If you have a GM FORD Chrysler or OBD II scanner you can add any of the other versions to your scanner for a nominal charge by simply calling AutoXray One of our Customer Service Representatives will step you through the process see our web site or contact AutoXray for current prices Do the following to UPGRADE your scanner 1 Press CONFIG from the initial screen 2 Use the arrow keys to display 3 USer Upgrade on the screen then press ENTER 3 Write down the Serial Number for your scanner software then press ENTER 4 Use the arrows until the vehicle application you want to add is displayed then press ENTER 5 Write down the Seed Number that is displayed on the screen The Seed Number is used by AutoXray to generate a unique Upgrade Key for your scanner 6 Call AutoXray at 480 804 1673 and tell the Customer Service Representative the vehicle application you want to add AutoXray will ask for your software serial number and seed Page 85 EZ SCAN ga UPGRADE UPDATE SPECIFICATIONS CONT number then give you your Upgrade Key 7 Use the arrow keys to enter the new Upgrade Key into your scanner then press ENTER The scanner will display a System Activated screen 8 Press ENTER or CONFIG to display the initial screen 9 The AutoXray Customer Service Representative will then ar
11. POWER Press MON to display Monitor menu OBD II Make sure 1 Capture Mode is highlighted then press ENTER All Make sure 1 Start Capture is highlighted then press ENTER The screen will display Capture Mode and then up to seven gt symbols Each gt symbol represents a user defined length of time Page 26 RP AuTOXRAY P auroxrar EZ SCAN EZ SCAN CAPTURE Mope OBD II GM CHRYSLER ConT ed the scanner will begin displaying gt symbols Each symbol represents two frames of data The default set ting for each frame is one second Refer to Set the Time Units for Capture Mode on page 87 to change the setting 4 Press ENTER when an intermit tent problem occurs The scanner will capture the data at the trigger point then will display a T followed by seven lt symbols After the T is displayed wait for the capture to complete The display will then return to an opening menu refer to Viewing the Capture Data NOTE You can press ENTER at any time even if all seven gt sym bols are not displayed The scanner always keeps the most recent data while waiting for ENTER trigger point to be pressed After the T is displayed wait for capture to com plete Pressing MON at any time will abort the capture Viewing the Capture Mode Data Capture Mode data can be viewed on the scanner or you can use EZ PC to download the data to your personal
12. connection e OBD II GM OBD I On OBD II and GM vehicles the con nector is usually located under the drivers side of the dash board On some vehicles the connector is located behind the kick panels ashtray or radio Ford Chrysler 83 95 OBD I The connector on Ford and Chrysler vehicles is usually located in the engine compartment along the outside perimeter of the engine compartment or by the shock absorber towers NOTE For additional connection location information including the OBD Connector Locations Database please look at the Customer Support page on the AutoXray web site www autoxray com 2 Make sure that all the pins are straight and that the connecting surfaces are free of oils grease and moisture CAUTION Do not force the cable connector into the scanner or into the vehicle computer connection 3 Push the scanner cable and vehicle connectors together firmly Ford The EEC IV Ford connector has a trapezoid shaped connector and a small square connector next to it Make sure both connectors are correctly plugged into the scanner cable connector NOTE Make sure the scanner cable and vehicle connectors are always properly seated during all test procedures 4 Insert the EZ SCAN cable connector into the top of the scanner Page 13 EZ SCAN EZ SCAN SCAN Ait OBD II GM OBD I CHRYSLER OBD I Cont CONGRATULATIONS The EZ SCAN scanner is now set up connected and ready to test your v
13. desired number of steps for the idle air control motor to reach a desired idle speed in a fuel injected engine See Learned Idle Pos DFCO Spark Delay Active Inactive Deceleration Fuel Cut Out spark delay will be ACTIVE during periods of deceleration Engine Cranking Yes No An indication that a signal has been sent to prepare the engine for starting that is triggered when the key is in the start position It should display when the key is turned to the start position Page 66 gaen ge GM OPERATIONAL DATA ITEMS Engine Coolant Light On Off When the ECM detects a low coolant level it will indicate an ON condition Normal operating mode is OFF Engine Hot Light On Off A detection of an engine hot condition will show ON Normal operating mode is OFF Engine Load Range 0 to 255 This replaces the MAP sensor on some engines Indicates the grams of air displaced per cylinder that is used to calculate spark and fuel settings Engine RPM Engine speed displayed in revolutions per minute Engine Run Time Seconds The elapsed time that the engine has currently been running displayed in seconds EGR On Off If the output vacuum EGR solenoid is being commanded to energize by the ECM the screen should read ON If the ECM is not commanding the solenoid the screen should read OFF EGR Duty Cycle On Range 0 to 100 The amount of time that the solenoid in the exhaust gas re circulation valve has been cycled ON The
14. related components and systems which could affect the vehicle s emission levels will be available to all technicians not just OEM dealership technicians This will allow all technicians to better understand how the systems recognize faults and set the DTCs The technician can now make a repair and verify the repair by exactly duplicating the criteria that is required for the DTC to be set What is CAN Controller Area Network CAN Controller Area Network is the newest computer protocol in the automotive industry It is being rolled out in Ford GM Mazda and SAAB current model year cars and is mandatory on all cars by 2008 Computerization of vehicles has shifted from one computer controlling everything to a distributed system consisting of many computers each having its own area of responsibility This raises the challenge of how to make all of the computers communicate with each other in order to share the work they do The solution is CAN the protocol that allows the manufacturers to implement fast effi cient interoperable computers Page 90 gaen ge TECHNICAL DESCRIPTION OF OBD II OBD II AND CAN CAN is a high speed data link that runs fifty times faster than the pro tocols currently implemented in today s vehicles This speed com bined with the new parameters defined for CAN will give technicians the ability to see data faster and gain a more accurate diagnosis In the past protocols used by the car companies were pr
15. sure 1 Operational 4Clear Codes Data is highlighted then press oe ENTER re 3 To toggle real time monitoring ON and OFF press MON 4 An Initializing screen will be displayed while the scanner estab lishes a connection to the computer sensor 5 When the connection has been made the reference number to the right of each sensor NOTE If the communication link with the vehicle is broken during BR auroxrar Page 18 EZ SCAN EZ SCAN REAL TIME DATA MONITORING Au OBD II GM OBD I CurvsteR OBD I Monitor mode the number in the lower right corner will stop flashing 6 Use the lt and P arrow keys to step through the sensors 1 ata time and the A and Warrow keys to page through the sensors 10 at a time to view their real time data 7 When you are done viewing real time data press MON The num ber in the lower right corner will stop flashing 8 Press DATA to exit Data mode and dis play the opening screen View FREEZE FRAME Before You Start e OBD II Freeze Frame is only available on certain OBD II vehi cles e Your vehicle must be scanned before viewing Freeze Frame data If DATA is pressed and the vehicle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Scanning the Vehicle on page 13 Pi auroxrar Rel Siete 1 Open Loge Rel System Bet Spported Load Lale ag Coola Terp PB ALTOXRAY BP auroxrar
16. this parameter should indicate the control speed If speed control is disengaged this parameter should indicate 0 MPH Cruise Status State The operating state of the speed control SC system should be displayed Possible states are as follows e DISABLED SC is disabled and disengaged Page 80 gaen ge e CHRYSLER OPERATIONAL DATA ITEMS e ENABLED SC is enabled but not engaged NORMAL SC is engaged and Cruise mode is active e ACCEL SC is engaged and Acceleration mode is active e DECEL SC is engaged and Deceleration mode is active Coolant Temp F Range 40 to 260 The temperature of the vehicle coolant is used to determine when to transition into closed loop and to calculate spark advance during cold starts The PCM converts the voltage from the sensor to a temperature Coolant Temp Volts Range 0 to 5 Volts The PCM converts the voltage read from the coolant temperature sensor to a temperature See Coolant Temp degrees F Engine Speed RPM Engine speed based on the distributor reference pulses F1 F3 Start Count Counts Range 0 to 255 Counts The number of key on cycles since the latest fault F1 the second latest fault F2 and the third latest fault F3 were set or since all of the codes have been erased Injector Pulse x mS Range 0 to 20 mS Amount of on time base duration pulse width for an injector as determined by the PCM The longer the duration the more fuel being added Pulse width w
17. to the right of each sensor The total number of sensors and sensor types will vary with each type of vehi cle EZ SCAN EZ SCAN VIEW THE DATA Att OBD II GM OBD I CHRYSLER OBD I Cont P auroxrar loberaticnal Gata 2Freeze Frame Date des SHlustomize Data EEFE P auroxray Fel System 1 Qn Loge Fel System Hot Su pportecl Load Lale at Coolant Tarp NOTE The A and V arrow keys will step through the sensors 1 at a time and the lt and gt arrow keys will page through the sensors 10 at a time 4 After viewing the scanned sensor information press DATA to exit Data mode and display the opening screen Page 17 EZ SCAN EZ SCAN 5 View TROUBLE CODES At OBD II GM OBD I CHRYSLER OBD I Operational Data Items To see a description of each of the Operational Data Items for your vehicle refer to the appropriate section on the following pages e OBD II Generic Operational Data Items on page 57 e Enhanced OBD II Operational Data Items on page 59 e OBD II Oxygen Sensor Test Readings on page 61 GM Operational Data Items on page 63 e Chrysler Operational Data Items on page 79 REAL TIME DATA MONITORING Monitoring Real Time Data 1 Make sure the EZ SCAN scanner cable is correctly connected to the scanner and to the vehicle then P Auroxray press POWER 1 perational Data 2 Press DATA to display the Data T TE menu Make
18. which are out of synchronization asynchronous with the regular pulses Barometric Press Volts Range 0 to 5 Volts Barometric pressure Displayed in volts or kPa The input is used to help the ECM compensate for changes in altitude Battery Voltage High Yes No If the charging system voltage has exceeded a pre set value value depends on controller package the screen should indicate YES For normal operation the screen should indicate NO Battery Voltage Low Yes No An indication of whether the battery voltage has fallen below an acceptable level Battery Voltage Volts Range 0 to 25 Volts The reading is calculated by the ECM A normal reading should be 13 8 to 14 5 when running Block Learn or Long Term Fuel Trim A memory file of blocks representing engine load and speed in which a fuel delivery rate is stored Ideally a reading of 128 would display indicating that no fuel correction is needed A range of 0 to 127 indicates that fuel is being subtracted A range of 129 to 255 indicates that fuel is being added It is a long term fuel compensator that operates in conjunction with the integrator in correcting fuel delivery Also see Page 64 gaen ge e GM OPERATIONAL DATA ITEMS Integrator Boost Duty Cycle Duty Cycle Range 0 to 100 This parameter represents the duty cycle of the wastegate towards boost pressure A boost duty cycle of 100 means that the wastegate is completely closed and all exhaust is route
19. 255 Steps Adapt Fuel 1 mS The additive adaptive fuel is the on time base pulse width adjustment that is calibrated at idle conditions For engine packages with multiple banks 1 represents bank 1 injectors Displayed in milliseconds Adapt Factor 1 The Adaptive Factor is the long term adjustment percentage to the base pulse width at each adaptive cell For engine packages with multiple banks 1 represents bank 1 injectors Baro Pressure in Hg The barometric pressure is determined either by the MAP sensor during a key on engine off condition TBI Turbo or a separate pressure sensor along with the MAP sensor can also be used to constantly monitor the barometric pressure Batt Temp Sens Volts The battery temperature sensor allows the ECM to monitor the ambient temperature of the battery Battery Temp F Range 40 to 260 The temperature read from the converted battery temperature sensor input voltage Battery Voltage Volts Range 0 to 16 Volts This voltage is the charging system voltage while the engine is running and the battery voltage when the engine is OFF Boost Goal psi Range 0 to 29 psi The ECM calculates the boost level to obtain above the current barometric pressure in order to maintain desirable manifold absolute Page 79 gaen ga CHRYSLER OPERATIONAL DATA ITEMS pressure Applies to turbocharged vehicles only C1 C4 Knock Retard Range 0 to 128 Using a detonation sensor mou
20. ER faults are in the vehicle s computer code 11 or code 111 111 System Pass System Pass will be displayed If a fault is detected the fault and its description will be displayed on the scanner screen The fault code num ber will be displayed in the upper left corner of the screen i P auroxrar Adown arrow on the screen indi cates more information Use the 123 Throttle arrow keys to view the additional Position sengon is text out of range e Use the lt and gt arrow keys to view any other faults 4 Press DATA to exit Data mode and display the opening screen Page 42 View THE DCL Data FORD Before You Start e Your vehicle must be scanned before viewing the data If DATA is pressed and the vehicle has not been scanned the scanner will dis play Press the Scan key to Scan New Data Refer to Data Communications Link DCL Scan on page 33 The EZ SCAN scanner DOES NOT need to be connected to the vehicle to view the scanned data The vehi cle engine configuration and data will remain in the scanner s memory until a vehicle is scanned again This allows you to review the data at a later time or to use EZ PC to load the data into a computer Viewing the DCL Data 1 If the EZ SCAN scanner is not ON press POWER to display the open ing screen 2 Press DATA to display the Data menu Use the arrow keys until 5 DCL Data is highlighted then press ENTER 3 Information from the DCL compu
21. EZ SCAN EZ SCAN Users MANUAL EZ SCAN EZ Sl SAFETY PRECAUTIONS AND WARNINGS WARNING Read and understand all instructions in this manual Use appropriate personal safety equipment including hearing and eye protection when using the scanner in or near the vehicle engine compartment Failure to comply can result in accidents involving fire electrical shock or serious personal injury Electrical Do not allow anything to rest on the cable assembly Do not allow the cable assembly to be pinched Keep the cable assembly away from contact with heat oil sharp edges or moving parts Replace damaged cables immediately Damaged cables increase the risk of electric shock e To reduce the risk of electrical shock do not disassemble the scanner There are no user repairable components inside the unit e Please dispose of used batteries properly Do not incinerate batteries Consult your local waste authority for information regarding available recycling and or disposal options Use and Care e Stay alert pay attention to what you are doing and use common sense when operating the scanner Several operational tests require the engine in the vehicle to be running during testing Keep all children and visitors a safe distance from the work area e Keep the scanner dry clean and free from oil and grease Use a mild detergent on a clean cloth to wipe the outside of the scanner when necessary e Only use accessories that are recommended b
22. Generic Operational Data Items on page 57 e See Enhanced OBD II Operational Data Items on page 59 e See OBD II Oxygen Sensor Test Readings on page 61 See GM Operational Data Items on page 63 e See Ford DCL Operational Data Items on page 76 e See Chrysler Operational Data Items on page 79 Page 56 gaen ge OBD II GENERIC OPERATIONAL DATA ITEMS Mass Air Flow Grams Sec Range 0 to 105 gr sec High Perf Vehicles 0 to 255 gr sec Mass air flow sensor input is used by the ECM to calculate fuel delivery As the air flow increases the fuel delivery must also increase Displayed in grams per second Calculated Load Value Range 0 to 100 An indication of the current airflow divided by peak airflow where peak airflow is corrected for altitude if available This value is not engine specific It gives the service technician an indication of the percent of engine capacity being used with a full load as 100 Commanded Secondary Air Status Commanded Secondary Air provided to the exhaust system Engine Coolant Temperature Range 40 C to 215 C The temperature of the vehicle coolant is used to determine when to transition into closed loop and to calculate spark advance during cold starts The PCM converts the voltage from the sensor to a temperature Engine RPM Engine Speed reading displayed in revolutions per minute Fuel Pressure Gage Range 0 to 765 kPaG Fuel pressure of the fuel delivery sy
23. Loop Status Open Closed If the loop status is OPEN this means that the air fuel mixture is being controlled by ECM tables or sensors other than the oxygen sensor This is the case in a cold start condition for example When the engine coolant temperature sensor reaches a certain temperature which depends on engine controller type the loop status should transition to CLOSED In closed loop the air fuel mixture is controlled by the oxygen sensor Low Speed Fan On Off The low speed fan is used in extreme conditions for transverse mounted engines The screen should indicate ON if the ECM is commanding the low speed fan ON If the ECM is commanding the fan OFF the screen should indicate OFF Oxygen Sensor Volts Range 0 to 5 Volts The oxygen sensor generates an input voltage corresponding to the amount of oxygen in the exhaust The oxygen sensor must reach a certain temperature before the readings are accurate In closed loop see Loop Status the ECM will use this sensor for air fuel mixture adjustments If the reading is out of range of conversion the display will read INVALID Park Neutral Yes No The screen should indicate YES if the transmission selector is in either Park or Neutral If the selector is in any other state the screen should indicate NO Applies only for vehicles equipped with automatic transmissions Power Steering PSI High Yes No This output state should indicate YES if the power steering pump is active If the
24. Oxygen Sensor Tests OBD II eee ceeeeceeeeeeeeeeeeeeeeeeeeeeeeaes 29 Readiness Tests OBD lIl cece cccececcececcceceececeecseeeneceeeeeeenneees 30 SCAN Ford SCAN the KOEO Codes Ford 00 2 0 cceccceececeeeeceneeeceeeeceeeeeeeeeeeaes 33 SCAN the KOER Codes Ford cccccceeeeceeeecneeceeeeeceteeeeeeeeeaes 35 SCAN the DCL Data Ford 0 0 occ cceecceceeeceeeeceneeeeeeeeceeeeeaeeeeaes 38 DATA Ford View the KOEO Codes Ford c cceeccesececeeeeceneecceeeeceeeesaneeeeaes 39 View the Memory Trouble Codes Ford sccceeceeeeeeeeees 40 View the KOER Codes Ford c cceeccesececeeeeceneecceeeeceeeeeeeeeeaes 42 View the DCL Data FO eee cceeceeecceseeceeeeecseecceeeeceeeecenesenees 43 Clear Trouble Codes Ford o ccccccccccccccscseeeceseueeesessueeuseeeuneaeees 45 MON Ford Activate the Wiggle Test Ford ceccecccceeeeeeeeeeeeeeeeeeeeeeeteees 46 DCL Data Capture FON iiteraria celica meee 48 EZ SCAN EZ SI 5 Eae TABLE OF CONTENTS ConT Troubleshooting What to do When the Scanner Displays a Fault Trouble Code 51 What to do for a Vehicle Is Not Responding Message 51 Screen Contrast Problems cccccccecssssesesneeeeeeeeesessesseeeeeeeees 52 How to Reset the SCanner cccccccsssssecceceeeeesssssnsseeeeeeeeeeeeees 52 Scanner Screen Menu Trees ccccccccccsssesseeeeeeeeeessessenneeeeeeeees 53 Operational Data Items
25. Yes No If the engine oil pressure reaches a minimum point of safety the ECM will indicate YES Normal operation would be indicated by NO Page 71 EZ SCAN EZ SI 5 ena GM OPERATIONAL DATA ITEMS An indication by the ECM of a logged fault malfunction code Mass Air Flow Grams Sec Range 0 to 105 gr sec High Perf Vehicles 0 to 255 gr sec Mass air flow sensor input is used by the ECM to calculate fuel delivery As the air flow increases the fuel delivery must also increase Displayed in grams per second MAP kPa or Volts Range 10 to 105kPa or 0 to 5 Volts Manifold absolute pressure Displayed in kilopascals a unit of metric pressure or volts The reading should be low when the pressure is low and the vacuum is high Manifold Air Temp F Range 40 to 389 Manifold Air Temperature Mixture Control On Time Range 0 to 100 0 to 60 of dwell For engines with computer controlled carburetors that set the air fuel mixture by energizing or de energizing the solenoid Displayed as a percentage of duty cycle A consistently low reading indicates that the solenoid is allowed to stay off for longer periods for a richer mixture O2 Cross Counts Oxygen sensor crossover reading which is the number of times that the sensor has switched back and forth between lean and rich conditions since the last data stream was sent Oil Level Low Yes No When the oil level reaches a minimum margin of safety the ECM will i
26. Z S enon gt Soon GM OPERATIONAL DATA ITEMS that use the ECM as part of the cruise control system Cruise Set Speed MPH Range 0 to 255 MPH This parameter represents the speed target for the speed control system This is the speed the ECM is attempting to maintain Desired A F Mix Ratio Range 0 to 25 5 This parameter represents the ideal air fuel ratio calculated by the ECM given the current operating conditions This value is normally 14 7 but can change depending on operating conditions This value should be used along with the actual air fuel value to make sure the mixture solenoid is working correctly Desired Boost kPa Range 0 to 200 kPa The controller calculates the boost level to obtain above the current barometric pressure in order to maintain desirable manifold absolute pressure Applies to turbocharged vehicles only Desired EGR Posn Open Range 0 to 100 This parameter represents the percentage opening of the EGR valve that the ECM has calculated for current operating conditions This parameter can be compared to the actual EGR position for operational verification see EGR Position Desired Idle Steps Range 0 to 255 Steps This parameter represents the number of steps from a closed valve no idle control This item can be compared to the actual valve position to see that the valve and solenoid are operating properly and correlates to the ECM commands Desired Idle Pos Steps Range 0 to 255 Steps The
27. ange 40 to 389 The temperature of the coolant when the engine is started displayed in F After starting a cold engine this reading and the Coolant Temp reading should be the same however the start up temperature value will not change until the engine is started again TCC Status Locked Not Locked Torque converter clutch command When ON the TCC is locked to eliminate fluid slippage and improve fuel economy The reading indicates whether or not the command to engage the TCC has been sent TCC Duty Cycle Open Range 0 to 100 The duty cycle of the solenoid that controls torque converter pressure In percentage of open 100 is fully open low pressure TCC Clutch Engaged Disengaged An indication whether or not the torque converter clutch is engaged TCC Slippage RPM Range 254 to 254 RPM The amount of slippage between the engine and the transmission When the torque converter is on the slippage should be small Displayed in RPM TCC Solenoid On Off This item shows the ECM command to the torque converter clutch output solenoid Use TCC Status to make sure the torque converter has actually engaged Third Gear Engaged Disengaged If the ECM is commanding third gear the screen should show ENGAGED Otherwise the screen should show DISENGAGED Throttle Angle Range 0 to 100 Displayed as a percentage of throttle opening with 0 being a closed throttle and 100 being a wide open throttle some vehicles
28. be detected This value is usually around 0 8 Volts Module Advance Range 10 to 70 Base electrical spark advance as determined by the PCM The PCM will use the coolant temperature sensor engine speed and vacuum to determine advance on a cold start After the engine reaches normal operating temperature the PCM will eliminate the coolant temperature sensor from the calculation O2 Bank x Pos y Volts Range 0 to 1 Volts The oxygen sensor generates an input voltage corresponding to the amount of oxygen in the exhaust The oxygen sensor must reach a certain temperature before the readings are accurate In closed loop see Loop Status the PCM will use this sensor for air fuel mixture adjustments This reading is the oxygen sensor reading for single oxygen sensor vehicles For vehicles with multiple oxygen sensors x refers to the first or the only bank of cylinders and y refers to either the pre or post catalytic position of the oxygen sensor Pos 1 is the pre catalytic position and Pos 2 is the post catalytic position A value of 0 to 5 Volts will indicate a lean mixture a value of 5 to1 00 Volts will indicate a rich mixture O2 Bank x Pos y State The PCM will convert the voltage of the corresponding input sensor to a mixture state of either RICH LEAN or CENTER see O2 Bank x Pos y Volts Oil Pressure psi This parameter shows the oil pressure Oil Press Sens Volts Range 0 to 5 Volts The actual oil press
29. computer controlled functions of the vehicle The KOEO test will detect faults at the time of testing hard faults and intermittent faults stored as Memory Codes 1 Run the engine until it is at normal operating temperature Bi autonar 2 Make sure ALL electrical loads air conditioning radio blower fan etc are OFF 3 Connect the EZ SCAN scanner cable to the scanner and to the vehicle EEC IV computer con nector then press POWVER to Ramee display the EZ SCAN scanner as opening screen 4 Make sure the vehicle ignition key has been OFF for at least ten seconds after warm up Turn the ignition key to the KOEO position then press SCAN TP auroxrar e Vehicles that support DCL will display a Scan menu Make sure 1 KOEO KOER Scan is Page 33 EZ SCAN EZ SCAN SCAN THE KOEO Copes Forb Cont highlighted then press ENTER 2 aaiim S 5 When the scanner is ready to Scanning Datak scan the vehicle ENTER to Please iait Scan will be displayed on the screen Press ENTER to start scanning the vehicle computer sensors Pressing SCAN again will take the unit out of Scan mode and display the opening screen P auroxrar 6 Scanning Data will be dis played while the KOEO codes and memory codes are retrieved from the vehicle com puter A normal scan can take B auroxray up to three minutes e Vehicles equipped with 4 9 liter engines with a manual transmission Push the clutch in during the
30. computer to save it and display it graphically Data stored on your computer can be used to keep a history of data for the PB auroxrar vehicle P auroxrar 1 Press POWER to display the EZ iCasture Mode SCAN scanner opening screen P 2 Press MON to display Monitor dTest Results Teh Infomation Page 27 EZ SCAN EZ SCAN CapTURE Mope OBD II GM CHRYSLER Conr menu OBD II Make sure 1 Capture Mode is Raw highlighted then press ENTER All Use the arrow keys until 2 View Data is highlighted then press ENTER 3 Data from each sensor will Ranune be displayed on the Felactni screen Use the arrow Chan Loop Rel Sieten keys to view data changes erp as you move up and down Leed Valte the capture time line The ae Coola Tarp indicates time intervals before the trigger point and indicates time intervals after the trigger point e Use the lt 4 and gt arrow keys to view other sensors 4 Press MON to exit Capture Mode and display the opening screen Page 28 Z SCAN EZ SCAN OXYGEN SENSOR TESTS OBD II Before You Start Viewing Oxygen Sensor Test Data 1 Press POWER to display the EZ SCAN scanner opening screen OBD II Oxygen Sensor Tests are OBD II specific tests of each of the oxygen sensors on a vehicle Although there are up to eight possible sensors the scanner can test cer tain vehicles may not support all eight tests and most vehi cle
31. d through the turbocharger at the same time the wastegate duty cycle should be 0 Brake Depressed Yes No An indication that the brake pedal is pushed in Cam Count Counts Range 0 to 255 Counts This parameter represents a counter triggered by the camshaft sensor signal Cam Pulse Detected Not Detected Whenever the cam position sensor is sensed by the ECM it will indicate a value of DETECTED Catalytic Temp F Range 0 to 1832 The catalytic converter temperature as calculated by the ECM CCP Duty Cycle of On Time Range 0 to 100 The percentage of time that the vapor absorbing charcoal canister has received an ON command CCP Purge Yes No An indication of whether the engine s vapor absorbing charcoal canister has been signaled to purge its contents during normal engine operation See CCP Duty Cycle Check Engine Light On Off This reading corresponds to the CHECK ENGINE or SERVICE ENGINE SOON light on the dashboard Clear Flood Mode Yes No An indication that the accelerator pedal is pressed to the floor with the engine off to clear a flooded engine during a restart Clutch Depressed Yes No An indication by the ECM of whether the clutch is pushed in or not Coolant Temp F Range 40 to 389 Coolant temperature This reading should increase as the engine warms Cruise Control On Off The operating status of the cruise control system is available for engines Page 65 Z SCAN E
32. display the EZ Le SCAN scanner opening screen P Press MON to display Monitor ear aia menu Use the arrow keys until 4Test Results 3 Readiness Test is high ye ee lighted then press ENTER will be displayed followed by its Palora status Status is either Completed Not Completed or Not Supported Adown arrow on the screen indicates other test results Use the arrow keys to view these other test results Page 30 Z SCAN EZ SCAN READINESS TESTS OBD II Cont The following Readiness Tests are supported by the scanner CONTINUOUS Non GONTINUOUS Misfire Monitoring Catalyst Monitoring Fuel System Monitoring Heated Catalyst Monitoring Comprehensive Evaporative System Monitoring Component Monitoring Secondary Air System Monitoring A C System Refrigerant Monitoring O2 Sensor Monitoring O2 Sensor Heater Monitoring EGR System Monitoring 4 Press MON to exit the Readiness Test and display the opening screen Test Results OBD II e OBD II Your scanner must be connected and the key in the ON position before viewing OBD II Readiness Test data If B auroxray MON is pressed and the vehi cle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Scanning the Vehicle on page 13 1 Press POWER to display the EZ SCAN scanner opening screen Pi auroxrar 2 Press MON to display Monitor menu Peps Mods Use the arrow keys until abner 4 Test Resul
33. dition for the Lean to Rich sensor Switch Time Minimum Sensor Voltage for Test Cycle Volts or Maximum Sensor Voltage for Test Cycle Volts The computer keeps track of and reports the minimum voltage level and the maximum voltage level attained during the oxygen sensor test cycle Time Between Sensor Transitions mS The computer will calculate the time between a rich to lean transition and a lean to rich transition and report this value Page 62 gaen o faa GM OPERATIONAL DATA ITEMS A C Air Conditioner ECM Electronic Control Module EGR Exhaust Gas Re circulation Valve MAP Manifold Absolute Pressure TPS Throttle Position Sensor A C Enabled Disabled If the ECM is commanding the A C Clutch to engage this parameter should indicate ENABLED otherwise this parameter should indicate DISABLED A C Clutch Engaged Disengaged An indication that the ECM has sent a command to engage the air conditioning clutch after receiving the instrument panel request and determining that conditions are appropriate for air conditioning operation A C Clutch Relay On Off The ECM will command more A C pressure by turning the A C clutch relay ON A C Evap Temp F Range 20 to 90 Air conditioning evaporator temperature used by the ECM to prevent evaporator freeze up A C Low Pressure Detected Not Detected An indication of whether adequate pressure is available to operate the air conditioning system When detect
34. e codes can also be viewed later See View Trouble Codes OBD II GM Chrysler on page 20 Page 15 EZ SCAN EZ SCAN SCAN Ait OBD II GM OBD I CHRYSLER OBD I Cont 5 After the scanner has read all the data from the vehicle the SS Scan Successful mes sage will be displayed on the screen If the scanner could not read all the data from the comput er or the vehicle sensors an error message will be dis played P auroxrar View THE Data OBD II GM CHRYSLER Before You Start e Your vehicle must be scanned before viewing the data If DATA is pressed and the vehicle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Scanning the Vehicle on page 13 The EZ SCAN scanner DOES NOT need to be connected to the vehicle to view the scanned data The vehicle engine config uration and data will remain in the scanner s memory until a vehicle is scanned again This allows you to review the data at a later time or to use EZ PC to load the data into a computer P AuToxRay Page 16 Viewing the Data 1 If the EZ SCAN scanner is not ON press POWER to display the opening screen 2 Press DATA to display the Data menu Make sure 1 Operational Datais highlighted then press ENTER 3 Information from the comput er sensors in your vehicle Operational Data Items will be displayed on the scanner screen A reference number is dis played
35. e 1 Start Capture is highlighted then press ENTER 4 The screen will display Capture Mode and then up to seven gt symbols Each gt symbol repre as sents a user defined length of i Start Capt time NOTE When Capture Mode is started the scanner will begin displaying gt sym bols Each symbol repre sents two frames of data The default setting for each Page 48 Z SCAN EZ SCAN DCL Data Capture ForRD CONT frame is one second Refer to Set the Time Units for Capture Mode on page 78 to change the setting P autonar 5 When the scanner is put in Capture Mode it is ready to cap ture real time data for those problems that only seem to occur while driving Press ENTER when the intermittent problem occurs The scanner will capture the data at the trigger Banama point then will display a T followed by seven lt symbols as vehicle data after the trigger is captured and stored NOTE You can press ENTER at any time even if all seven gt symbols are not dis played The scanner always keeps the most recent data while waiting for ENTER trigger point to be pressed After the T is displalyed wait for the capture to complete Pressing MON at any time to abort the capture Viewing the Capture Mode Data Capture Mode data can be viewed on the scanner or you can use EZ PC to download the data to your personal computer to save it and display it grap
36. e 4 EZ SCAN EZ SCAN INTRODUCTION RJ45 AMP Vehicle Connection Port Communications Pa Port Display Screen Battery Compartment MODE Keys ENTER Key A POWER onor Key UP DOWN CONFIG Key BACK NEXT Arrow Keys Figure 1 EZ SCAN Scanner e AutoXray designed this elegant EZ SCAN tool with capabilities that are the best value on the market today The compact design has received proprietary patents and makes these scanners so simple and easy to use Page 5 EZ SCAN EZ SI J gt sso INTRODUCTION CoNT Your EZ SCAN Scanner Will e Scan Collects All Values from Vehicles On Board Computer e Supports multiple trouble code requests generic codes mode 3 pending codes mode 7 enhanced codes mode 13 e On screen definitions of OBD trouble codes OBD II generic and OBD II manufacturer specific codes e Detects OBD II Freeze Frame Information e Displays Readiness Test Status e Displays O2 Sensor Test e Test Results mode 6 e Vehicle ID mode 9 e Live Data Stream Monitoring e 29 Frame Capture Mode e Reset Check Engine Lights AutoXray has made sure your new scanner is computer safe It WILL NOT accidentally deploy airbags change transmission gears affect ABS brake performance or fire injectors and ignition systems Additional Features OBD II for 1996 and newer Domestic Asian and European OBD II compliant vehicles Performs all other functions of meee 1 7 of the OBD II J1978 sca
37. e ID 1 and ID 2 hex codes will be displayed on the screen Press ENTER to display the initial screen Set the Time Units for Capture Mode The EZ SCAN scanner can be set up to capture a user defined length of time while in Capture Mode The default setting is 1000 ms 1 sec per frame 1 To change the Capture Time press CONFIG from the initial screen Use the arrow keys until 2 System Config is displayed then press ENTER Use the arrow keys to select 2 Capture Time then press ENTER Use the lt and gt arrow keys to change Capture Time to the desired number between 500 and 5000 ms then press ENTER to select the choice or press the CONFIG Key to Cancel and return to the initial screen NOTE 500 milliseconds is one half a second 1000 milliseconds is 1 second and 5000 milliseconds is 5 seconds Setting Up Catpured Data Understanding the time intervals in Capture Mode There are a Page 87 EZ SCAN EZ SCAN 5 UPGRADE UPDATE SPECIFICATIONS CONT total of 29 snapshots Frames of data in an entire capture Depending on what capture time you choose between 500ms 1 2 sec to 5000ms 5 secs will be the wait time interval between each one of the snapshots Frames For example if you choose 1000ms 1 sec intervals a frame would update data for a total of 29 frames of data or 1 frame per second 29 sec of elapsed time If you choose 500 ms 1 2 sec intervals a frame will upda
38. e available at your local parts store book store or library 1 Check the connection to the sensor 2 Look for obvious damage to any wires or vacuum hoses 3 Locate a service or repair manual to look up the troubleshooting tree for that fault code 4 Follow the tree to determine the cause of the code NOTE Remember the sensor itself is not always the cause of the trouble code What to do for a Vehicle Is Not Responding Message 1 Make sure the vehicle ignition key is in the full ON position not ACC and is making contact 2 Make sure the diagnostic connector is clean Make sure the cable connectors are pushed in firmly 4 Make sure the pins in the connectors are not bent and are making contact 5 Make sure the year and VIN are correctly entered 6 Try wiggling the connector during the attempted scan wo Page 51 Z SCAN EZ S soon gt Soo TROUBLESHOOTING CONT Vehicle Is Not Responding Message continued Check the following Manufacturer Specific items Ford Make sure to connect both the multi wire and the single wire connectors to the AutoXray cable Ford At the beginning of a KOEO test listen for solenoids clicking under the hood Ford Make sure the vehicle is fully warmed up before attempting the KOER test and give enough time to bring up Scan Successful GM Answer any exception questions correctly GM On carbureted models make sure the Check Engine Lig
39. ed the pressure has dropped below a safe limit and system operation is halted A C Pressure psi Range 25 to 460 psi An indication of air conditioning pressure from the high pressure side of the system On 1988 and newer engines A C Press Fan 2 On Off When the A C is active the ECM will command the fan 2 output relay to energize to compensate for added engine load and the parameter should indicate ON Otherwise the parameter should indicate OFF A C Request Requested Not Requested An indication that the ECM has received the instrument panel request to turn on the air conditioning See A C Clutch Air Divert On Off An indication of whether air has been diverted to the atmosphere to protect the catalytic converter at wide open throttle in some engines with Page 63 gaen gae GM OPERATIONAL DATA ITEMS carburetors A reading of ON indicates that air has been diverted Air Fuel Mixture Range 0 to 25 5 The air to fuel mixture as calculated by the ECM The ideal mixture is 14 7 to 1 Air Switch On Off An indication of where air from the air pump has been directed in engines with an air management system ON means that air has been directed to the air switch for further distribution OFF means that air has been directed to the atmosphere Async Mode Yes No An indication of whether extra fuel has been provided during wide open throttle operation The extra fuel is provided by triggering extra injector puls es
40. ed to change the display units 1 To change the unit of measure press CONFIG from the initial screen 2 Use the arrow keys until 2 System Config is displayed then press ENTER 3 Use the arrow keys to select 1 SAE Metric then press ENTER 4 Use the lt and gt arrow keys to select 1 SAE or 2 METRIC then press ENTER to select the highlighted choice or press the CONFIG Key to Cancel and return to the initial screen Adjust the Display Contrast and Backlight The contrast on your EZ SCAN scanner can be adjusted for easier Viewing under different lighting conditions Note if scanner is left in direct sunlight the Display can turn completely black Should this happen put the scanner in a cool dark place for approx 10 to 15 minutes The display should return to normal 1 To adjust the contrast of the screen press CONFIG key 2 Use the arrow keys until 2 System Config is displayed then press ENTER 3 Use the arrow keys until 3 Contrast Adjust is displayed then press ENTER 4 Use the lt and gt arrow keys to adjust desired screen contrast Page 10 EZ SCAN SCAN S sas SETUP OPERATING INSTRUCTIONS CoNT Fine adjustment 5 Use the A and Y arrow keys for course adjustment 6 The MON key will turn the backlight off The default position is ON and can be left that way however it will lessen the life of your batteries 7 Press the CONFIG or ENTER key to save settings and return to the Opening scree
41. ehicle e OBD II Chrysler and GM OBD I vehicles Start on Page 13 e Ford vehicles Start on Page 33 Before You Start e Before scanning a vehicle the EZ SCAN scanner must be correctly configured for your vehicle Refer to Setup Operating Instructions on page 8 if you need to configure the scanner Scanning the Vehicle 1 Press POWER to display the EZ SCAN scanner opening screen 2 Turn the vehicle ignition key to ON or start the engine 3 Press SCAN When the scanner is ready to scan the vehi cle ENTER to Scan will be displayed on the TP AuToxRar screen Press ENTER to start scanning the vehi cle computer sensors Pressing SCAN again will take the unit out of Page 14 EZ SCAN EZ SCAN SCAN At OBD II GM OBD I CHRYSLER OBD I Cont Scan mode and display the opening screen e OBD II Before an OBD II vehicle is scanned the vehicle computer and the EZ SCAN scanner will initialize do a protocol check then do Readiness Tests to make sure the vehicle emission control system is working cor rectly VPW PWM ISO 9141 Keyword 2000 and CAN Controller Area Network protocols are all supported 4 OBD II The scanner will indicate the MIL status Malfunction Indicator Lamp or Check Engine Light ON or OFF P auroxrar If there are Trouble Codes stored in the OBD II system the scanner will display the codes as they are read from the vehicle computer Thes
42. entire test e Vehicles equipped with 7 3 liter diesel engines Press the accelerator to the floor for the entire test 7 After the scanner has read all the data from the vehicle the Scan Successful message will be displayed on the screen followed by the opening screen Picea GEE FORD t36 WIIKEY Page 34 EZ SCAN EZ SCAN SCAN THE KOER Copes ForbD Cont Before You Start e Before scanning a vehicle the EZ SCAN scanner must be correctly configured for your vehicle Refer to Setup Operating Instructions on page 8 if you need to configure the scanner e Make sure to read these instructions completely before the KOER test is started Several user interactions may be required during the scan If these steps are not completed correctly the engine computer will store a Trouble Code as if the system was not functioning properly If one of these trouble codes are stored repeat the scan with the nec autonar essary steps to eliminate the problem For example the error RPM too low dur ing KOER test can be corrected by pressing the gas pedal to the floor during the Dynamic Response section of the scan Key ON Engine Running KOER Scan The KOER scan causes the vehicle CUPAN EEC IV computer to test the different sensors and computer controlled functions while the vehicle engine is running 1 Run the engine until it is at normal operating temperature 2 Make sure ALL electrical loads blower fan
43. er time Range 100 00 to 99 92 100 indicating a maximum lean condition 99 92 indicating a maximum rich condition and 0 indicating no adjustment OBD II Require Requirement level for the On Board Diagnostics designed for the vehicle OBD II CARB Vehicle designed with OBD requirements for California Air Resource Board OBD II OBD Fed EPA Vehicle designed with OBD requirements for Federal EPA OBD OBD and OBD II Vehicle designed with OBD requirements for OBD and OBD II OBD I Vehicle designed with OBD requirements for OBD I Not Intended Vehicle not intended to meet any OBD requirements Oxygen Sensor The detection of Oxygen O2 content in the exhaust gases The sensor readings are used by the ECM to help calculate the air fuel mixture to maintain proper vehicle performance Short Term Fuel Trim Bank 1 2 Dynamic or instantaneous adjustments to the Bank 1 base fuel schedule Range 100 00 to 99 92 100 indicating a maximum lean condition 99 92 indicating a maximum rich condition and 0 indicating no adjustment Vehicle Speed MPH Sensor reading displayed in miles per hour Page 58 gaen py ENHANCED OBD II OPERATIONAL DATA ITEMS Activating Enhanced OBD II AutoXray features select makes of Enhanced OBD II upgrades that will give you up to 50 or more operational data items To activate the Enhanced OBD II upgrades your scanner will need to be oper ating software version 1 42 or higher You ca
44. ercentage of time or degrees of dwell that a vacuum solenoid receives the ON command from the ECM to control the amount of boost in turbocharged engines The wastegate allows exhaust gases to either flow through or bypass the turbocharger Water Injector On Off Used on some turbocharged vehicles to inhibit detonation Wide Open Throt Yes No When the TPS reaches a high enough threshold or a wide open throttle switch has been activated by the throttle kicker in carbureted vehicles this parameter should indicate YES For any other throttle position this parameter should indicate NO Page 75 gaen ga ForD DCL OPERATIONAL DATA ITEMS Brake BOO On Off Vehicles with an automatic transmission have a brake switch input state When the brake is depressed ON should be displayed otherwise the display will indicate OFF The brake switch does not apply for manual transmissions EGR Feedback Volts Range 0 to 5 Volts For vehicles that have a EGR valve position sensor this will show voltage of the sensor corresponding to pintle position which provides feedback to the ECM to determine if the EGR is operating properly EGR Vacuum Regl duty cycle Range 0 to 100 A solenoid on the EGR valve is modulated to send regulated vacuum to the EGR Displayed as a duty cycle percentage Zero percent represents a closed EGR valve no vacuum applied to EGR 100 represents full open EGR valve manifold vacuum applied to EGR valve Engine
45. ess ENTER 3 ENTER to Test will be displayed on the screen Press ENTER to start the wig gle test Pressing MON again will take the unit out of Monitor mode and display the Opening screen 4 Tap wiggle or move wires and sensors to detect a fault 5 FAULT will be displayed if a fault is detected during the test NO FAULT will be displayed if there are no faults detected during the test 6 Press MON to exit the Wiggle Test and display the opening screen NOTE If a fault was detected run a KOEO test then check the Memory Codes to see the error TP auroxrar Wiggle Test Mone BR auroxrar MO FALT Pi auroxray Fuko EEE FORD Se UTM Page 47 EZ SCAN EZ SCAN DCL Data CAPTURE FORD NOTE Only applies to cars equipped with DCL Before You Start e Use Capture Mode to help diagnose intermittent problems that occur while driving the vehicle by capturing data before during and after a problem occurs CAUTION AutoXray recommends that the person operating the vehicle does not use view the scanner Always use an assistant to operate the scanner while driving the vehicle Capturing the Problem 1 Make sure the EZ SCAN scanner cable is out of the driver s way and is correctly connected to the scanner and to the vehi cle then press POWER 2 Press MON to display Monitor L eera menu Use the arrow keys until liogle Tesi 2 DCL Capture is highlighted then press ENTER 3 Make sur
46. ewed in Capture Mode is 20 Before You Start e Use Capture Mode to help diagnose intermittent problems that occur while driving the vehicle by capturing data before during and after a problem occurs NOTE GM On carbureted vehicles and a few fuel injected vehicles the on board computer is placed into Service Mode a mode which fixes the timing and the idle speed If the idle speed on your fuel injected vehicle is affected during scanning AutoXray recommends that you do not drive your vehicle while it is scanned e OBD II The Capture Mode will capture up to a maximum of 20 data items Use Customize Data function to select which data items to be captured and displayed See page Page 25 EZ SCAN EZ SCAN operate the scanner while driving the vehicle 25 Customizing Data Items OBD II CapTURE Mope OBD II GM CHRYSLER Conr ALL Your vehicle must be scanned before using Capture Mode If ENTER is pressed to select 1 Capture Mode and the vehicle has not been scanned the scanner will dis play Press the Scan key to Scan New Data Refer to Scanning the Vehicle on page 13 CAUTION AutoXray recommends that the person operating the vehicle does not use view the scanner Always use an assistant to Capturing the Problem 1 NOTE When CaptureMode is start Make sure the EZ SCAN scanner cable is out of the driver s way and is correctly connected to the scanner and to the vehicle then press
47. have wide open throttle valves of 99 Throttle Sensor Volts Range 0 to 5 Volts Throttle position sensor input Displayed in volts The reading should be Page 74 gaen ge GM OPERATIONAL DATA ITEMS lowest with the throttle closed and highest at wide open throttle Transmission Tmp F Range 40 to 304 Some vehicles are equipped with sensors that monitor the transmission temperature The ECM will monitor the temperature for overheating Turbo Boost kPa Range 0 to 200 kPa Actual boost pressure added to barometric pressure to maintain a desired manifold absolute pressure Vacuum Sensor Volts Range 0 to 5 Volts Manifold vacuum Displayed in volts The reading should be low when vacuum is low and the Manifold Absolute Pressure is high VCC Status Solenoid On Solenoid Off Some Cadillacs after 1985 have Viscous Converter Clutches this item should show the ECM command to the output solenoid This is similar to the torque converter solenoid but does not represent the lock up status of the converter Vehicle Speed MPH A signal from the vehicle speed sensor to the ECM that translates electronic pulses into miles per hour Wastegate Bypass On Off A reading to confirm that the ECM is commanding the wastegate to boost pressure in some turbocharged engines Pressure is boosted by turning a vacuum solenoid ON or OFF to open or close the wastegate Wastegate Duty On Range 0 to 100 0 to 60 of dwell The p
48. hically Data stored on your computer can be used to keep a history of data for the vehicle 1 Press POWER to display the EZ SCAN scanner opening screen Page 49 EZ SCAN EZ SCAN DCL Data CAPTURE ForRD CONT 2 Press MON to display Monitor menu Use the arrow keys until 2 DCL Capture is highlighted then press ENTER Use the arrow keys until 2 View Data is highlighted then press ENTER Data from each sensor will be dis played on the screen Use the arrow keys to view data changes as you move up and down the capture time line The indicates time intervals before the trigger point and indicates time intervals after the trigger point e Use the lt and gt arrow keys to view other sensors Press MON to exit Capture Mode and display the opening screen Page 50 BR auroxrar i higgle Test SEL Capture BP auroxrar BR auroxrar Engine Speed EE FRM Sherk AdLerne in Trrottle Fen 3 5 ULES EZ SCAN SCAN 5 soa TROUBLESHOOTING This section contains the following Troubleshooting subjects e What to do When the Scanner Displays a Fault Trouble Code e What to do for a Vehicle Is Not Responding Message e Screen Contrast Problems e How to Reset the Scanner e Scanner Screen Menu Trees What to do When the Scanner Displays a Fault Trouble Code NOTE AutoXray recommends obtaining a service manual or repair manual to assist in automotive diagnostics Manuals ar
49. ht is rapidly flashing during the attempted scan Screen Contrast Problems Some users have experienced problems concerning screen contrast with newer batteries like the Duracell Ultra These batteries produce a higher than normal voltage and can affect the scanner screen contrast making the screen difficult to read We apologize for the inconvenience If you encounter this problem run your scanner for approximately 2 hours to run off the high voltage causing the problem It will be necessary to press a key occasionally to override the EZ SCAN scanner power miser function NOTE After these batteries reach their rated voltage 1 5V the battery life should still be approximately 500 hours How to Reset the Scanner 1 Power Scanner on 2 Open the battery compartment and remove one battery 3 Hold down POWER for 5 seconds 4 Put the battery back in and power on Page 52 EZ SCAN SCAN S soot TROUBLESHOOTING CONT NOTE These steps will re set the scanner If your problem persists please contact AutoXray technical support Scanner Screen Menu Trees POWER gt AutoXray EZ SCAN opening screen CONFIG gt 1 Config Unit GM Year Ford Year Chrysler Year OBD II Generic GEO OBD II Honda OBD II Hyundai OBD II Isuzu OBD II Kia OBD II Mazda OBD II Mitsubishi OBD II Nissan OBD II Subaru OBD II Scanner Screen Menu Trees Cont Suzuki OBD II Toyota OBD II gt 2 System Config 1 SAE Metric 2 Capture Time
50. ich the integrator subtracts fuel and the reading decreases The integrator is a short term fuel compensator which works in conjunction with Block Learn Also see Block Learn ISC Throttle Switch Open Closed This parameter indicates if the throttle is at idle where idle speed control should be active If the ECM has detected an idle condition this parameter should indicate CLOSED In all other open throttle situations this parameter should indicate OPEN Knock Sensor Range 0 to 255 Knock activity noted by the ECM When the value reaches the maximum of 255 it jumps back to 0 and continues counting upward It provides an indication of knock and that a resultant timing adjustment has been made If the number is increasing during Monitor Mode then knock is occurring On some engines the value will reset with each correction made Knock Retard Degrees Range 0 to 90 A reading of timing retard that the ECM sends to the ignition module when engine vibration is detected by a knock sensor Displayed in crankshaft degrees of retard to be subtracted from total timing Page 70 gaen ge GM OPERATIONAL DATA ITEMS Learn Control Enabled Disabled Learn Control should be ENABLED when the Block Learn function is active based on the ECM When the ECM has determined that learn control should be disabled as with an integrator at the calibration limit the screen should indicate DISABLED Learned Idle Pos Steps Range 0 to 255 Steps The
51. ies UPGRADES EZ PC 500 Kit enables your Scanner to interface directly with your PC and AutoXray through the Internet Includes Serial Interface cable and CD ROM soft ware EZ Update 400 Windows based software enables your AutoXray tools to interface directly with your PC and Internet Carrying Case a rugged impact resistant nylon carrying case for individ ual scanners or ProPacks Page 93 EZ SCAN EZ SI 5 gt enon ADDITIONAL PRoDUCTS ACCESSORIES EZ SCAN Enhanced OBD II Software Upgrade EZ SCAN ALL Mfg Software Upgrade includes software upgrades for OBD II GM Ford and Chrysler EZ SCAN OBD II Upgrade for OBD II EZ SCAN GM OBD Upgrade for GM OBD I support 12 pin ALDL model years 82 95 EZ SCAN Ford OBD I Upgrade for Ford OBD I support EEC IV vehicles model years 83 95 EZ SCAN Chrysler OBD I Upgrade for Chrysler OBD I support SCI vehicles 83 95 excluding 87 88 XP240 Trade in trade your old unit in for a new EZ SCAN scanner EZ Read Trade in trade in your old unit for a new EZ SCAN Scanner EZ Link Trade in trade in your old unit for a new EZ SCAN scanner Internet Access Visit our Internet web site at www autoxray com for the latest products accessories upgrades and available updates Contact us by email at support autoxray com Page 94 EZ SCAN EZ SCAN 5 NOTES Page 95 EZ SCAN EZ SCAN NOTES Page 96 EZ SCAN EZ SCAN 5 NOTES Page 97
52. ill be less for Multi port Fuel Injection MFI because there is an injector for every cylinder Most Electronic Fuel Injection EFI and Throttle Body Injection TBI motors will have a longer duration due to there only being one or two fuel injectors Knock Sensor x Volts Range 0 to 5 Volts The knock sensor is located in the intake manifold and will generate a signal to the PCM if knock is detected This input is used by the PCM to retard the timing to eliminate the knock condition The knock circuit is disabled at low RPM or in high manifold vacuum conditions x refers to the bank of cylinders that the detonation sensor represents MAP Sensor Volts in Hg Range 0 to 5 Volts or 0 to 60 in Hg This sensor is used to monitor atmospheric key on engine running and manifold absolute pressures in order to calculate manifold vacuum engine load This sensor along with others are used to modify the air fuel mixture and spark advance Higher voltages indicate higher engine load where Page 81 gaen ga CHRYSLER OPERATIONAL DATA ITEMS lower voltage represents a deceleration or cruise condition The in Hg value is determined by converting the MAP sensor input voltage to a pressure The lower the MAP the higher the manifold vacuum Min Throttle Pos Volts Range 0 to 5 Volts This voltage is the idle TPS voltage which is used as a reference by the PCM This voltage is the lowest TPS voltage so that every movement of the throttle can
53. into Drive and then back into Park when prompted 8 If Dynamic Response is dis played briefly accelerate the engine to wide open throttle and release Snap throttle 9 After the scanner has completed the KOER scan the Scan Successful message will be displayed on the screen fol lowed by the opening screen e If these steps are not completed correctly the engine comput er will store a Trouble Code as if the system was not function ing properly If one of these trouble codes are stored repeat the scan with the necessary steps to eliminate the problem For example the error RPM too low during KOER test can be corrected by pressing the gas pedal to the floor during the Dynamic Response section of the scan BR auroxrar Page 37 oe aaa gae SCAN THE DCL DATA FORD Before You Start e Before scanning a vehicle the EZ SCAN scanner must be correctly config ured for your vehicle Refer to Setup Operating Instructions on page 8 if you need to con figure the scanner Data Communications Link DCL Scan This scan displays live opera tional data from vehicles that sup port DCL Certain vehicles from 1989 to 1995 support the DCL scan 1 Connect the EZ SCAN scan ner cable to the scanner and to the vehicle EEC IV computer connector then press POWER to display the EZ SCAN scan ner opening screen 2 Turn the vehicle ignition key to ON or start the engine 3 Vehicles that support DCL will
54. ipping label Products returned to AutoXray shall be accompanied by a written description of the reasons for return the circumstances under which the defect became apparent and the date the defect occurred or if not known the date the defect was discovered 9 If a returned Product is found not to be defective AutoXray shall return the product and invoice for the costs of testing and return shipment 10 If a returned Product is found to contain a defect which is not covered by this warranty AutoXray shall provide a written quotation showing the estimated cost of repair or the price of a replacement In the event instructions as to the disposition of the product are not received within 30 days from receipt of such estimate or quotation AutoXray shall return the product and invoice for the cost of testing and return shipment 11 If a returned Product is found to be defective and such defect is covered by this warranty AutoXray shall at its option and at no charge to the customer repair or replace the Product Following such repair or replacement AutoXray shall return the Product at AutoXray s expense Py N You Must Register to receive these great added benefits Register By Mail Register online at www autoxray com and receive even more benefits Free 2 year extended warranty coverage Free 3 year extended warranty coverage Free unlimited technical support Free unlimited technical support Free minor software updates over the Internet Free min
55. is stored in the computer s memory OBD I requires monitoring of the Oxygen Sensor EGR System Fuel Delivery System ECM or PCM and Emission Related Electrical Components OBD II The California Air Resource Board CARB found that by the time an emission system component fails and causes the MIL to illuminate the vehicle may have been emitting excess emissions for some time The OEMs had to develop new PCM self diagnostic strategies in response to increased diagnostic requirements from the California Air Resource Board CARB The latest regulations developed by CARB and accepted by the Environmental Protection Agency EPA are designated OBD II Page 89 gaen ga TECHNICAL DESCRIPTION oF OBD I OBD II AND CAN The Federal Clean Air Act Amendments of 1990 requires that all vehicles sold in the United States meet OBD II requirements by the 1996 model year The first OBD II systems appeared on selected vehicle types in 1994 Some important OBD II requirements are Vehicle service information available to all technicians Standardization of Terms Use of SAE J 1930 recommended terms OBD II requires a common Diagnostic Link Connector DLC and specifies its location in the vehicle Generic scan tool Generic emission related Diagnostic Trouble Codes DTC and a very specific Malfunction Indicator Light MIL illumination protocol One very important part of the OBD II requirements is that technical service information for emissions
56. ition key OFF for at least 10 seconds turn the key ON then press POWER 2 Press DATA to display the Data menu Use the arrow keys until 4 Clear Codes is highlighted then press ENTER 3 ENTER to Clear will be displayed on the screen Press Page 45 EZ SCAN EZ SCAN 5 CLEAR TROUBLE CODES FORD Conr ENTER to clear all the codes in the vehicle s computer Pressing DATA again will abort Data mode and display the opening screen 4 After the codes have been cleared Function Successful will be displayed Press DATA to display the opening screen ACTIVATE THE WIGGLE TEST FORD Before You Start e The wiggle test or con P aurora tinuous monitor test allows you to test sen sor systems for intermit tent faults Activating the wiggle test then tap ping wiggling or mov ing suspect wires or sensors may reveal an intermittent short or open in the circuit CAUTION Do not drive the vehicle while doing this test 1 Make sure the EZ SCAN scanner cable is correctly connected to the scanner and to the vehicle Turn the P avroxray vehicle ignition key OFF for Trae at least 10 seconds For a KOEO Wiggle Test turn the key ON then press POWER e Fora KOER Wiggle Test start P auroxray ENTER POM to Exit Page 46 EZ SCAN EZ SCAN ACTIVATE THE WIGGLE TEST FORD Cont the engine then press POWER 2 Press MON to display Monitor menu Make sure 1 Wiggle Test is highlighted then pr
57. l remain in memory until the unit is reconfigured A Power Miser Feature automatically powers the unit OFF after 30 minutes of no activity Configure the Scanner for Your Vehicle a Before the scanner is used it must be configured for your specific vehicle Don t worry it only takes a few steps 1 Press POWER to turn the unit ON then press CONFIG 2 Make sure 1 Config Unit is displayed on the screen then press ENTER 3 Use the arrow keys until the correct vehicle manufacturer name is highlighted then press ENTER to select it select OBD II Generic if your specific OBD II manufacturer is not listed 4 Use the arrow keys to select the year of the vehicle then press ENTER NOTE After the unit is configured it will Initialize then display the opening screen Continue with Section 3 to set the display units 5 For OBD I vehicles use the arrow keys to highlight the number that matches the 8th Character from the VIN code on the vehi cle Press ENTER to select the proper character 6 Depending on the vehicle selected you may be asked some additional questions to complete the configuration process Use the arrow keys to highlight the correct answer then press ENTER to select it Page 9 EZ SCAN EZ SI an SETUP OPERATING INSTRUCTIONS CoNT Set the Display Units SAE Metric The EZ SCAN scanner can be set up to display in SAE or Metric units The default setting is SAE Go to Section 4 if you do not ne
58. late desired power steering pressure This percentage should correlate to the actual EVO pressure i e 30 duty cycle means the EVO should be 30 closed EVO Feedback Duty Cycle This parameter feeds the actual open percentage of the EVO back to the ECM to verify correct solenoid operation The ECM will make sure that the actual solenoid command duty cycle matches the feedback duty cycle The solenoid is isolated for more accurate fault detection Range 0 to 100 Fan 1 or 2 Yes No An indication that the electric cooling fan is on and whether it is operating at low or high speed for single fan engines Some engines have two fans The second fan provides extra cooling under extreme conditions First Gear Engaged Disengaged If the ECM is commanding first gear the screen should show ENGAGED Otherwise the screen should show DISENGAGED Fourth Gear Engaged Disengaged If the ECM is commanding fourth gear the screen will show ENGAGED Otherwise the screen will show DISENGAGED Fuel Cut Off On Off An indication that the ECM has cut off fuel delivery during deceleration Fuel Cutoff PN On Off If the ECM has detected a clear flood condition in fuel injected vehicles this parameter should indicate ON Otherwise there is no reason to cutoff Page 68 gaen ge GM OPERATIONAL DATA ITEMS fuel and the parameter should indicate OFF Fuel Cutoff DR On Off If the ECM has detected that either the engine speed is
59. les read both Pending Codes codes that have only been detected once by the vehicle computer and Trouble Codes codes that have been detected multiple times Press ENTER to select either 1 Trouble Codes or 2 Pending Codes GM Some GM vehicles show both history and current trouble codes Press ENTER to select either 1 History Codes or 2 Current Codes If no Trouble Codes are in the vehicle s computer No Trouble Codes Found will be displayed If a Trouble Code is detected the fault and its description will be displayed on the scanner screen The fault code number will be displayed in the upper left corner of the screen Adown arrow on the screen indicates more information Use the A TP auroxray SHlustomine ata EEF i Trouble Codes a i ee ei gare poeng gee 2 Pendir Wp Lane PR AUTOXRAY Page 21 EZ SCAN EZ SCAN View TROUBLE CODES At OBD II GM OBD I CHRYSLER OBD I and arrow keys to view the additional text e Use the lt and gt arrow keys to view any other Trouble Codes CLEAR THE CODES Before You Start e Clearing Trouble Codes will remove any Trouble Codes from the vehicle s computer You can use this feature to make sure vehicle repairs were done correctly by doing a new scan after clearing the codes GM The Clear Codes option is not available on all GM vehicles e Your vehicle must be scanned before clearing trouble codes If DATA is pressed
60. main in the scanner s memory until a vehicle is scanned again This allows you to review the data at a later time or to use EZ PC to load the data into a computer Page 39 gaen gae View THE KOEO Copes Forp Conr 1 Press POWER to display the EZ SCAN scanner opening screen Paoay 2 Press DATA to display the Data menu Make sure 1 KOEO Codes is highlighted then press ENTER 3 If no faults are detected during the KOEO test the vehicle s computer will store code 11 or code 111 System Pass If a fault is detect ed the fault and its description will be displayed on the scanner screen The fault code number will be dis played in the upper left corner of the screen Adown arrow on the screen indicates more information Use the arrow keys to view the addi tional text e Use the lt and gt arrow keys to view any other faults P auroxrar 4 Press DATA to exit Data mode and display the opening screen View THE Memory TROUBLE Copes FORD Before You Start e Your vehicle must be scanned before viewing the data If DATA is pressed and the vehicle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Key ON Engine OFF KOEO Scan on page 33 e Memory Codes are intermittent faults that are detected by Page 40 EZ SCAN EZ SCAN View THE Memory TROUBLE CODES FORD Conr the vehicles computer during normal operation and are stored in memory
61. minimum number of counts needed by the idle air control motor to reach a desired idle speed Left Integrator Right Integrator Range 0 to 255 These parameters give integrator short term fuel trim values corresponding to either the left or right bank of cylinders in multi bank engine applications see Integrator Left Block Learn Right Block Learn Range 0 to 255 These parameters give block learn long term fuel trim values corresponding to either the left or right bank of cylinders in multi bank engine applications see Block Learn Left Oxy Sense Right Oxy Sense mV Range 0 to 1200 mVolts These parameters give the oxygen sensor values corresponding to either the left or right bank of cylinders in multi bank engine applications see Oxygen Sensor Left O2 Cross Counts Right O2 Cross Counts Range 0 to 255 Counts These parameters give the oxygen sensor cross count values corresponding to either the left or right bank of cylinders in multi bank engine applications see O2 Cross Counts Loop Status Open Closed An open reading indicates an open loop in which the ECM controls the air fuel mixture from pre stored table values A closed reading indicates a closed loop in which the ECM controls the air fuel mixture from the oxygen sensor and other sensors Low Oil Light On Off If the engine oil level reaches a minimum point of safety the ECM will indicate ON Normal operation would be indicated by OFF Low Oil Pressure
62. n NOTE Not all Scanners support this feature Connect the Scanner to Your Vehicle The EZ SCAN Scanner communicates with the comput 21 er and sensors in your vehicle through a special con nection cable The scanner cable is plugged into a con nector on the top of the scanner and into a computer interface connection in your vehicle Each vehicle manufacturer has its own specific computer connection Make sure that you have the proper EZ SCAN scan ner cable for your vehicle each one has a unique shape color In addition the name of the vehicle manufacturer is molded into the connector body Refer to the scanner cable assembly connectors and applications shown on the next page Page 11 EZ SCAN EZ SCAN SETUP OPERATING INSTRUCTIONS CoNT OBD II Generic Connector Yellow This standardized cable is used to scan 1996 and newer Domestic Asian and European vehicles GM Connector Works with OBD II 1982 1995 vehicles with a 12 pin ALDL Ford Connector Works with OBD II 1983 1995 Ford vehicles with EEC IV computers Chrysler Connector Works with OBD I 1983 1995 Chrysler vehicles with SCI connectors OBD II Manufacturer Specific Connector Blue For 1994 1995 GM OBD I vehicles with a 16 pin connector as well as for future OBD II functions to be released at a later date Page 12 gaen o faa SCAN Att OBD II GM OBD I CurysterR OBD I 1 Locate the vehicle computer
63. n always update your software version using PC Link part 41000 then call AutoXray Customer Service to activate the Enhanced OBD II upgrades There is a charge to activate teh Enhanced OBD II upgrades When you call 1 800 595 9729 a representative will step you through the upgrade process Each vehicle will vary on what specific parameters are available The list below is a sample of the type of additional data items that are available for Enhanced OBD II Please check the AutoXray website for the latest upgrade information at www autoxray com Additional Parameters and Values AIC A C Pressure Sensor Air Fuel Ratio Numeric Cam Position Err Baro Pressure kPa Hg PSI Cam Resync Cnt Battery Voltage Cam Retard Block Learn Accel Canister Purge Requested Not Re Block Learn Cruise Canister Purge Solen Block Learn Decel Catalyst Freq Bank1 Page 59 oe aaa o face Parameters Values Desired EGR Posn Intake Air Temp Desired IAC Posn Knock Count Z Fuel Trim Cell Bank1 O2 Bank1 Sensor 3 Fuel Trim Cell Bank2 O2 Cross Counts Bank1 Page 60 O2 Cross Counts Bank2 O2 Sensori Bank O2 Sensori Bank1 Heater O2 Sensori Bank2 O2 Sensori Bank2 Heater Percentage O2 Sensor2 Bank1 mV Percentage O2 Sensor2 Bank1 Heater Degrees O2 Sensor2 Bank2 Percentage O2 Sensor2 Bank2 Heater Percentage OBD Data Cleared CorF OBD II Trip Completed Volts Output Shaft Percentage Park Neutral RPM Power Steering Load Percentage Power Steering Sen
64. n tool specification including Freeze Frame of data surrounding a trouble code event e Access Oxygen Sensor Tests e Display Monitoring Tests and Results e Show Pending Trouble Codes CHRYSLER OBD I for 1983 1995 Chrysler SCI vehicles and 1991 1995 Jeep vehicles e Resets Engine Maintenance Reminder EMR Light FORD OBD I for 1983 1995 Ford EEC IV vehicles Page 6 arene oe faa INTRODUCTION ConT e Performs Key On Engine Off KOEO e Key On Engine Running KOER tests e Continuous monitor wiggle test GM OBD I for 1982 1995 GM 12 pin ALDL vehicles Text Styles Used In This Manual POWER text in this font is used to designate a button key on the front of the scanner Config Unit _ text in this font is used to designate text that is displayed on the scanner screen WARNING the word WARNING in this font is used to identify an operation or activity that could cause severe property damage or personal injury CAUTION the word CAUTION in this font is used to identify an operation or activity that could cause property damage or personal injury NOTE the word NOTE in this font is used to identify information that will assist you while you are using the scanner Arrows will be displayed at the right side of the screen to indicate text above and or below the current screen Use the arrow keys to view the text NOTE During the procedures in this manual display all the available menu options by using the A and Y arr
65. ndicate YES Normal operating mode is NO Oil Temp F Range 40 to 419 The temperature of the oil in the bottom of the oil pan Oxygen Sensor mV Range 0 to 1200 mVolts Displayed in millivolts A low reading less than 500 mV indicates a high oxygen level in the exhaust stream and a lean exhaust Some engines have separate sensors for the left and right exhaust manifolds Park Neutral Yes No This display indicates whether or not the transmission is in Park or Neutral Power Sir Press Volts Range 0 to 25 Volts The power steering pressure switch is an input that allows the ECM to Page 72 gaen ga GM OPERATIONAL DATA ITEMS compensate for a high pressure condition by de energizing the A C clutch or increasing idle speed Power Str PSI High Yes No An indication to the ECM to increase the engine idle speed due to additional load placed on the engine by the power steering pump PROM ID The PROM is the identification number of the part of the ECM containing the factory running parameters If changing the ECM the PROM ID is necessary to keep the factory programming for that vehicle Proportional O2 Step Rich Lean This parameter indicates the adaptive fuel corrective direction the controller is taking This item should represent the opposite of rich lean state parameter QDM 1 2 3 4 A B C or D High Low The quad driver located in the ECM This reading confirms that the ECM command to the quad driver
66. nted in the intake manifold the PCM can detect knock and compensate for it Knock retard represents the computer commanded retard for cylinder 1 2 3 and 4 Charge Goal Volts Range 0 to 16 Volts The voltage the charging system is attempting to reach Charge Temp F Range 40 to 261 For some MFI and turbo models air fuel mixture temperature can have an effect on the oxygen sensor feedback system by adjusting the injector pulse width according to temperature The throttle body temperature sensor replaced the charge sensor on later models for vapor lock detection see Throttle Body Temp Charge Temp Sens Volts Range 0 to 5 Volts The input voltage displayed is used by the PCM to convert to an actual temperature see Charge Temp Closed Loop Yes No If Closed Loop is NO this means that the air fuel mixture is being controlled by PCM tables or sensors other than the oxygen sensor This is the case in a cold start condition for example When the engine coolant temperature sensor reaches a certain temperature which depends on engine controller type the Closed Loop status should transition to YES In closed loop the air fuel mixture is controlled by the oxygen sensor Cruise Input Volts Range 0 to 1 Volt The speed control system enabling input voltage this parameter represents the switch state of the speed control system on vehicles equipped with speed control Cruise Target MPH Once the speed control in engaged
67. oprietary This ended in 1996 with the advent of OBD II which forced the man ufacturers to select between 4 different types of communications J1850 PWM J1850 VPW ISO 9141 and ISO 14230 Allowing four different protocols has created many complications in repair inspec tion and maintenance CAN was first established by Bosch as an industrial control network but car companies soon found it was a very robust protocol for in vehicle use As early as 1992 Mercedes and others placed intricate CAN networks in their vehicles to handle communications between controllers The CAN protocol has been integrated into the OBD II spec by the International Standards Organization ISO committee and has been accepted as the standard diagnostic protocol by manufacturers In addition the California Air Resources Board CARB has embraced CAN and made it mandatory for all vehicles Manufacturers can begin implementing CAN in 2003 and must be CAN compliant by 2008 model year The CAN standard is also a mandatory part of each new state emissions inspection and maintenance program and will be retrofitted into the established programs AutoXray s newest tool is CAN ready and all AutoXray EZ Link tools are software upgradeable to support CAN Page 91 EZ SCAN EZ SCAN 5 PRODUCT WARRANTY 1 AutoXray warrants to its customers that on the date the Products are delivered they shall be free from defects in manufacture This warranty shall apply only
68. or software updates over the Internet Receive information about new products Receive information about new products Receive information on major product Receive information on major product enhancements enhancements You must register within 60 days of your date of purchase to qualify for these added benefits Otherwise there may be a fee associated with your technical support Return for Repair If it becomes necessary to send the Scanner back to us for repair contact AutoXray at 480 804 1673 ask for an RMA number then send it to AutoXray 1800 W Broadway Rd Bldg 5 Tempe AZ 85282 Page 92 EZ SCAN SCAN 5 soa ADDITIONAL PRoDUCTS ACCESSORIES SCANNERS EZ SCAN 6000 Includes EZ SCAN 6000 Scanner GM OBD I Cable Ford OBD I Cable Chrysler OBD Cable OBD II Cable OBD II MFG Specific Cable EZ PC 500 EZ SCAN 5000 Includes EZ SCAN 5000 Scanner GM OBD I Cable Ford OBD I Cable Chrysler OBD Cable OBD II Cable OBD II MFG Specific Cable EZ Update and PC Interface EZ SCAN 4000 Includes EZ SCAN 4000 Scanner OBD II Cable EZ Update EZ SCAN 3000 Includes EZ SCAN 3000 Scanner GM OBD I Cable Ford OBD I Cable Chrysler OBD Cable Coupon for OBD II MFG Specific Cable EZ Update Cope READERS EZ READ 2000 Includes EZ READ 2000 Code Reader GM OBD I Cable Ford OBD I Cable Chrysler OBD Cable OBD II Cable OBD II MFG Specific Cable EZ READ 1000 Includes EZ READ 1000 Code Reader OBD II Cable Accessor
69. ot the ECM has learned the minimum idle air control position This should always indicate YES except after an Idle Air Control system reset when the indication should be NO IAC Motor Reset Yes No An indication of whether the Idle Air Control motor has been returned to a Page 69 Z SCAN EZS soon gt soo GM OPERATIONAL DATA ITEMS calibrated position if it has lost its reference count Idle Speed Flag Forward Reverse This will indicate the stepper motor direction for idle control AFORWARD reading should indicate a lower idle and less airflow a REVERSE reading should represent a higher idle and more airflow Injector Pulse mS Range 0 to 1002 mS Fuel injector pulse width is a measurement of how long the injector is held open to control fuel flow Displayed in milliseconds A higher reading indicates that the injector is staying open longer and that more fuel is being injected per pulse Injector Pulse also serves as the right injector pulse width on systems with a right and left bank Integrator or Short Term Fuel Trim Range 0 to 255 An indication of fuel delivery made by the ECM during a closed loop operation The integrator adds or subtracts fuel being constantly adjusted by the oxygen sensor signal When the exhaust shows an ideal 14 7 to 1 air fuel mixture no integrator action is needed and the reading should be 128 If the exhaust is lean the integrator adds fuel and the reading increases If the exhaust is r
70. ow keys Small arrows will be displayed on the screen when there are more options available Page 7 EZ SCAN EZ SCAN 5 SETUP OPERATING INSTRUCTIONS This section gives the information you need to set up and operate your EZ SCAN Scanner Install New Batteries e Configure the Scanner for Your Vehicle e Set the Display Units SAE Metric e Connect the Scanner to Your Vehicle Install New Batteries The EZ SCAN Scanner is powered by 4 AA batteries Before the scanner is used the first time you need to install batteries in the unit Make sure the batteries are put in according to the diagram on the back of the battery compartment door Refer to the illustration below Figure 2 Battery Compartment e If the screen becomes too dim to view the batteries need to be replaced Replace all four batteries to avoid unit malfunction When it is time to change the batteries the Data Holder Feature will save all Data and configuration information if fresh batteries are installed immediately after removing the old ones CAUTION Leaving used or dead batteries in the scanner beyond the battery date may result in damage to the unit Page 8 arene ge SETUP OPERATING INSTRUCTIONS CoNT As long as good batteries are in the scanner the vehicle engine configuration and data will remain in the scanner s memory even after the unit is powered off e Operational data Trouble Codes and all remaining scanned information wil
71. range the purchase and delivery of a new cable that corresponds to your upgrade Registration Card Please complete the enclosed Registration Card and return it or call 480 804 1673 It is the only way AutoXray can notify you of future upgrades updates for your scanner Scanner Update Loading New Software Version Updating your scanner involves loading the latest version of the AutoXray software onto your scanner This process requires the use of EZ PC See the Additional Products Accessories section in this manual for additional information about EZ PC Do the following to UPDATE your scanner 1 Press CONFIG from the initial screen 2 Use the arrow keys to display 4 Download on the screen then press ENTER 3 Press ENTER to prepare the scanner to receive the download e When the screen displays a Downloading message the scanner is in Slave Mode waiting for the PC to begin com munication System Information NOTE Press CONFIG at any time during the following steps to dis Page 86 Z SCAN SCAN S san UPGRADE UPDATE SPECIFICATIONS CONT play the initial screen Press CONFIG from the initial screen Use the arrow keys to display 5 System Info on the screen then press ENTER Software Version information will be displayed on the screen Press ENTER to view the next screen The scanner Serial Number will be displayed on the screen Press ENTER to view the next screen The scanner softwar
72. s use only two or four Oxygen Sensor Test values are divided in two types a constant reading and a calculated reading Constant readings are provided by the vehicle com puter calculated readings are determined from the sensor data Your vehicle must be scanned before viewing Oxygen Sensor aon Test data If MON is ses 4 1Lapture Mode pressed and the vehicle has not been scanned Ta the scanner will display aeh Infomation Press the Scan key to Scan New Data Refer to Scanning the Vehicle on page 13 Refer to OBD II Oxygen Sensor Test Readings on page 54 to see a description of each Oxygen Sensor Test data item Page 29 EZ SCAN EZ SCAN OXYGEN SENSOR TESTS CONT 2 3 4 5 Press MON to display Monitor menu Use the arrow keys until 2 Oxygen Tests is highlighted then press ENTER Use the arrow keys to select an O2 Sensor number then press ENTER Use the lt and gt arrow keys to select which Oxygen Sensor Test to view Press MON to exit the Oxygen Sensor Tests and display the opening screen READINESS TEST OBD II Before You Start The name of the Readiness Test e OBD II Your scanner must be connected and the key in the ON position before viewing OBD II Readiness Test data If MON is pressed and the vehicle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Scanning the Vehicle on page 13 Press POWER to
73. se the arrow keys until 4 EMR Reset is highlighted then press ENTER Page 23 gaen gaem RESET EMR Lamp CurYs_Ler 1989 95 Conr ENTER to Clear will be displayed on the screen Press ENTER to reset the EMR lamp Pressing DATA again will take the unit out of Data mode and display the opening screen After the EMR lamp has been reset Function Successful will be displayed Press DATA to dis play the opening screen Page 24 BR auroxrar FUGA aly GEE CHEY OS UTM PB auroxrar i p Data zefroible Cocke Zle Cocks 4ER Reget bat i TP AuToxRay Fress the ENTER key to Clear Codes Fress the Data key to Exit TP auroxrar Function success fult gaen ge CUSTOMIZING DATA ITEMS OBD II 1 Make sure you have completed a vehicle scan Then press POWER 2 Press DATA to display the Data menu Use the arrow keys until 5 Customize Data is highlighted then press ENTER 3 From the menu you have several options for selecting and des electing operational data items The simplest option is to use the down arrow key A menu screen will display DESELECT ALL Press ENTER on YES All data items are now deselected Use the left or right arrow keys to scroll through the data items and press the ENTER key for each data item you would like to select for viewing data in the OPERATIONAL DATA or CAPTURE DATA modes CaPTURE Mope OBD II GM CHRYSLER NOTE The maximum number of data items that can be vi
74. solenoid is cycled to quickly modulate the valve and control its air flow EGR Position Open Range 0 to 100 Vehicles that are equipped with an EGR position sensor can report pintle position of the EGR valve so that the ECM can verify that the EGR vacuum solenoid is properly modulating the EGR for desired position EGR Solenoid 1 2 or 3 On Off The solenoid in the exhaust gas re circulating valve allows exhaust gasses to pass Some engines control the gas flow with three solenoids ESC Severe Knock On Off Electronic Spark Control monitors ignition performance If the ECM detects a high frequency of knock it will indicate ON Normal operation is OFF EST Enabled Disabled Page 67 EZ SCAN EZ SI 3 gt soos GM OPERATIONAL DATA ITEMS Electronic Spark Timing is ENABLED under certain driving conditions EVO On Off On Saturns with power assisted steering power steering pressure can be modulated with the electronic variable orifice EVO This valve changes pressure based on vehicle speed At slower speeds the orifice is commanded ON increasing the power steering pressure at higher speeds steering correction is small therefore less pressure is needed the orifice should be commanded OFF EVO Output Duty Cycle Range 0 to 100 This represents the on time percentage that the ECM has calculated for Electronic Variable Orifice EVO valve given current vehicle speed The solenoid is cycled open and closed to modu
75. sor Volts Power Take Off Engaged Not Eng Throttle Sensor Volts Rear O2 Sensor Total Misfires Counts Rear O2 Trim Banki On Off Rear O2 Trim Bank2 On Off Rev Mode Misfire Index Volts Rich to Lean Avg Time CorF Rich to Lean Counts RPM Rich Ln Ln Rich Ratio Kph Mph Secondary ArPump onr OBD II OxYGEN SENSOR TEST READINGS Constant Readings Rich to Lean Sensor Threshold Volts Oxygen sensor voltage that indicates a transition from a rich condition to a lean condition Lean to Rich Sensor Threshold Volts Oxygen sensor voltage that indicates a transition from a lean condition to a rich condition Low Sensor Voltage for Switch Time Calculation Volts or High Sensor Voltage for Switch Time Calculation Volts The computer uses fixed voltage levels to measure the lean to rich and rich to lean Page 61 gaen gae OBD II OxYGEN SENSOR TEST READINGS CONT transition times The computer will measure the amount of time between when the O2 sensor is at the low voltage and when the O2 sensor is at the high voltage to obtain the lean to rich transition time The computer will measure between the high and low voltages to obtain rich to lean transition time Calculated Readings Rich to Lean Sensor Switch Time mS or Lean to Rich Sensor Switch Time mS The time it takes for the oxygen sensor to transition from a Rich to Lean condition for the Rich to Lean sensor Switch Time or from a Lean to a Rich con
76. steering system is inactive the screen should indicate NO Spark Advance BTDC Range 90 to 90 Base electrical spark advance as determined by the ECM Displayed in degrees of crankshaft rotation Throttle Position Volts Range 0 to 5 Volts This reads the voltage from the Throttle Position Sensor Vehicle Power Volts Range 0 to 16 Volts Page 77 EZ SCAN EZ SCAN ForpD DCL OPERATIONAL DATA ITEMS This reading indicates the total charging system voltage With the motor OFF this value will indicate the voltage of the battery With the engine running this value will indicate the alternator voltage Vehicle Speed Sensor MPH Vehicle speed determined from the speed sensor signal input WOT A C Cutoff Yes No When this switch state indicates YES the ECM has detected a Wide Open Throttle condition and is commanding the A C clutch to disengage If the WOT A C Cutoff is not active the screen should indicate NO and the clutch is cycling normally Page 78 gaen ge CHRYSLER OPERATIONAL DATA ITEMS A C Pressure psi This parameter shows the A C refrigerant pressure A C Press Sens Volts The actual A C pressure is converted from the A C pressure input sensor voltage A I S Position Steps This indicates the number of steps the PCM has commanded to the idle stepper motor The stepper motor controls the idle air flow into the manifold The PCM has pre programmed idle steps for all vehicle conditions Range 0
77. stem Fuel System Status Information describing the operation of the fuel control Open loop Operating condition during engine warm up idle in which the fuel mixture isn t being corrected to compensate for a rich lean condition Closed Loop Operating condition in which the fuel mixture is being corrected for a rich lean condition OL Drive Vehicle in Open Loop due to driving conditions power enrichment deceleration OL Fault Vehicle in Open Loop due to a detected system fault CL O2 Fault Vehicle in Closed Loop but a fault with at least one oxygen sensor may be using simple oxygen sensor for fuel control Ignition Timing Advance Range 64 to 63 5 The relationship between ignition timing and top dead center displayed in crankshaft degrees Page 57 Z SCAN EZS soon gt Soon OBD II Generic OPERATIONAL DATA ITEMS Cont Intake Air Temperature Range 40 C to 215C Temperature of the air drawn through a cleaner and distributed to each cylinder for use in combustion Intake Manifold Pressure Range 10 to 105 kPa or 0 to 5 Volts The manifold absolute pressure displayed in kilopascals or volts A low reading will indicate that the pressure is low vacuum is high and a high reading will indicate that the pressure is high vacuum is low Long Term Fuel Trim Bank 1 Bank 2 Long Term adjustments to the Bank 1 fuel calibration schedule which compensate for vehicle differences and gradual changes that occur ov
78. t er sensors in your vehicle Operational Data Items will be dis EZ SCAN EZ SCAN TP auroxray 1440680 Codes TAL Data ire P auroxray Ergire Sp d E5 RRM Spak kece ine Trrottle Foen 3 5 LOTS Lind P auroxray Page 43 Z SCAN EZ SCAN i View THE DCL Data FORD Cont played on the scanner screen A ref erence number is displayed in the lower right corner of the screen The total number of sensors and sensor types will vary with each type of vehicle NOTE The lt and gt arrow keys will step through the sensors 1 at atime and the A and V arrow keys will page through the sensors 10 at a time 4 After viewing the scanned DCL data press DATA to exit Data mode and display the opening screen Monitoring Real Time Data 1 Make sure the EZ SCAN scanner cable is correctly connected to the scanner and to the vehicle then press POWER Press DATA to display the Data menu Use the arrow keys until 5 DCL Data is highlighted then press ENTER To toggle real time monitoring ON and OFF press MON An Initializing screen will be displayed while the scanner establishes a connection to the computer sensor When the connection has been made the reference number in the lower right corner will begin to flash Page 44 P auroxray eB R Sherk ArLerne ine Trrottle Foen 3 5 WTS P auroxrar Initializing Fleece weit BR auro
79. te data for a total of 29 frames of data or 1 frame per 1 2 second 14 1 2 sec of elapsed time This is important to understand when viewing your captured data Example gt gt gt gt gt gt gt T lt the lt after the T represents the next frame of the captured data When viewing this frame on the scan tool after a completed capture the fame after the T is represented as A If 2000ms 2 sec was selected in capture time set up A would have occurred and been recorded 2 seconds after T and so on Page 88 gaen ge TECHNICAL DESCRIPTION OF OBD II OBD II AND CAN OBD Original equipment automobile manufacturers OEM developed On Board Diagnostics OBD in response to increased diagnostic requirements from the California Air Resource Board CARB The regulations that were developed by CARB and accepted by the Environmental Protection Agency EPA were designated OBD I Beginning in 1982 and by 1989 all new cars and light duty trucks sold in California had to have OBD I OBD I requires a Malfunction Indicator Lamp MIL or check engine light that illuminates to inform the vehicle operator when an emissions related component or a monitored system fails The MIL dash indicator is usually amber or red in color Each OEM manufacturer may call it by a different name The computer must have the capability to store Diagnostic Trouble Codes DTCs When a fault occurs the MIL will illuminate and a DTC
80. to defects that appear within 365 days and which are reported to AutoXray within 455 days following the date the Products are delivered New replacement Products are warranted as new Reconditioned replacement Products and repaired Products are warranted as new for the longer of the remainder of the original warranty period or 90 days from the date of delivery of the repaired or replaced Product 5 This warranty does not cover defects caused by abuse mishandling accident improper installation or application the malfunction of another component or part of any device in which the Products installed or with which the Product interfaces or extend to Products which have been modified or repaired by anyone except AutoXray or its authorized service representative or to a Product with respect to which the serial numbers or identification marks have been altered or removed 6 AutoXray makes no other warranties other than those expressly stated herein 7 AutoXray s customers exclusive remedy under this warranty is repair or replacement at AutoXray s option and such repair or replacement shall satisfy AutoXray s warranty obligation to its customers whether in contract tort negligence strict liability or otherwise 8 Prior to returning a Product for warranty adjustment AutoXray shall require a return authoriza tion and will issue a return authorization number The return authorization number shall be placed conspicuously on the outer package sh
81. to operate various high current devices has been carried out A reading of LOW indicates that the command was sent to the device A reading of HIGH indicates that it has not been carried out It is used for QDM 1 2 3 4 A B C or D for the various subdivisions of the quad driver Refer to the vehicle service manual for testing QDM devices Rich Lean Flag Rich Lean This parameter gives the rich lean state which is detected by the Oxygen sensor When the state is lean fuel is added to the system When the state is rich fuel is subtracted from the system Rt Rich Lean Flag Lf Rich Lean Flag Rich Lean These parameters give the rich lean state values corresponding to either the left or right bank of cylinders in multi bank engine applications see Rich Lean Flag Second Gear Engaged Disengaged If the ECM is commanding second gear the screen should show ENGAGED Otherwise the screen should show DISENGAGED Shift Light On Off The shift light is a dash indicator on some manual transmission vehicles which illuminates when the driver is supposed to shift as determined by the ECM If the light is being commanded ON the screen will display ON Page 73 gaen ga GM OPERATIONAL DATA ITEMS if the light is not being commanded ON the screen will display OFF Spark Advance Range 90 to 90 The amount of spark advance or timing from the ignition module Displayed in crankshaft degrees Start Up Coolant Temp F R
82. too high or vehicle speed exceeds original tire speed rating this parameter should read ON indicating that the ECM has cut off fuel to bring operating conditions down to a more reasonable level During normal operating conditions this item should indicate OFF Fuel Pump Sens Volts Range 0 to 25 Volts Fuel pump sensor Displayed in volts The reading is calculated by the ECM It should be about the same as battery voltage for a running engine Hi Altitude Air Yes No If barometric indicates that the vehicle is operating at high altitudes as determined by the ECM the ECM has detected and will compensate for this condition and the screen should read YES Otherwise the screen should indicate NO High Gear Engaged Disengaged If the ECM is commanding either third gear or fourth gear depends on engine package the screen should show ENGAGED Otherwise the screen should show DISENGAGED History T Codes Counts Range 0 to 255 Counts The number of history codes stored in the ECM Idle Air Coil A or B An indication of which coil is being controlled by the idle air control motor during idle Idle Air Mtr Pos Steps Range 0 to 255 Steps Idle air motor position The idle air control is a throttle bypass that meters air during the idling of fuel injected engines The lower the number the lower the air flow As loads are applied to the engine the reading will increase IAC Learned Yes No This parameter indicates whether or n
83. ts is highlighted Test Results th en press ENTER Tih Information 3 The Test Result will be displayed fol Page 31 EZ SCAN EZ SCAN Test RESULTS OBD II Cont lowed by its status Each reading will give the Test Number the Component Number Pass or Fail status BR auroxrar Test ID Sal Fass whether it is a Hi value or Component ID 11 Fass Low Low value test the value Te g reported by the on board description rot computer and the limit for specified that value A down arrow on the screen indicates other test results Use the arrow keys to view these other test results NOTE OBD II equipped vehicles are required to report the results of diagnostic tests for all non continuously monitored emissions related components for instance the catalytic converter or the EGR valve These tests vary among manufacturers and the numbers are assigned arbitrarily by them and should be listed in the service manual for the vehicle 4 Press MON to exit the Readiness Test and display the opening screen Page 32 Z SCAN EZ SCAN SCAN THE KOEO Copes FORD Before You Start e Before scanning a vehicle the EZ SCAN scanner must be correctly configured for your vehicle Refer to Setup Operating Instructions on page 8 if you need to configure the scanner Key ON Engine OFF KOEO Scan The KOEO scan causes the vehicle EEC IV computer to actuate the sensors and test the different
84. ure is converted from the oil pressure input sensor voltage Overall Retard Range 0 to 128 Page 82 gaen 5 faa o CHRYSLER OPERATIONAL DATA ITEMS Total amount of spark retard commanded by the PCM in response to a monitored knock Tbody Temp Sens Volts Range 0 to 5 Volts The PCM converts the voltage read from the throttle body temperature sensor to a temperature see Throttle Body degrees F Throttle Body F Range 40 to 261 The Throttle Body temperature indicates the fuel temperature in the throttle body of Single Point fuel injected vehicles This information is used to avoid vapor lock during hot restarts The higher the tempera ture the wider the injector pulse width This is known as the charge temperature on earlier model vehicles Throttle Open open Range 0 to 100 The Throttle Open parameter is a relative percentage of throttle open ing based on the learned minimum throttle position Throttle Posn Volts Range 0 to 5 Volts The voltage of the sensor mounted on the throttle shaft that relays throttle position back to the PCM The throttle position helps determine the correct air fuel mixture At idle the TPS should read in the 0 5 to 1 volt range at Wide Open Throttle WOT the TPS should read 4 5 volts Total Spark Advance BTDC Range 10 to 70 Total Spark Advance is the PCM base advance summed with specified mechanical advance Trans Fluid Temp F Starting in 1993 some
85. xray Ergire Speed 648 FF Spark AcLerce 1e Throttle Foen 3 5 TS P ALTOXRAY Ergire Sp d E5 R Spak AcLerce ine Throttle Fran 3 5 TS EE EZ SCAN SCAN S sas View THE DCL Data FORD Conr NOTE If the communication link with the vehicle is broken during Monitor mode the number in the lower right corner will stop flashing 6 Use the lt and gt arrow keys to step through the sensors 1 ata time and the A and arrow keys to page through the sensors 10 at a time to view their real time data 7 When you are done viewing real time data press MON The number in the lower right corner will stop flashing 8 Press DATA to exit Data mode and display the opening screen CLEAR TROUBLE CODES FORD Before You Start e Clearing Trouble Codes will remove any Trouble Codes from the vehicle s computer You can use this feature to make sure vehicle repairs were done correctly by doing a new scan after clearing the codes e Your vehicle must be scanned before clearing trouble codes If DATA is pressed and the vehicle has not been scanned the scanner will display Press the Scan key to Scan New Data Refer to Key ON Engine OFF KOEO Scan on page 33 Key ON Engine Running KOER Scan on page 35 or Data Communications Link DCL Scan on page 38 Clearing Trouble Codes 1 Make sure the EZ SCAN scanner cable is correctly connected to the scanner and to the vehicle Turn the vehicle ign
86. y AutoxXray e Certain capture mode tests can be performed while driving the vehicle AutoXray recommends that the person operating the vehicle does not use view the scanner Always use an assistant to operate the scanner while driving the vehicle Service Service must only be performed by AutoXray repair personnel Service or repair by unqualified personnel may result in risk of injury damage to the unit and may void your warranty Refer to the Product Warranty Policy section of this manual Page 2 gaen ge TABLE OF CONTENTS Safety Precautions and Warnings cccccccsessseeeeeeeeeeeeeees 2 Table of Contents 2 2566 eee ae aS 3 Introduction i iedisis edie ee te ee 5 Setup Operating Instructions cccccccceeeeesssteeeeeeeeeeeeee 8 SCAN OBD II GM OBD I Chrysler OBD I SGAN Ge a Peven Chet Metal eet See len toe Ee cas 13 DATA OBD II GM OBD I Chrysler OBD I MiGw the Datel E EEE E E E EE rasan Mee 16 Real Time Data Monitoring eseseeeeseeeeseeseerriesesrrrrrrrrssssrrrrrresse 18 View Freeze Frame Dati eccceccecccecceeeceeeceeeeseeeeeeeeeeeseeeeeneees 19 View Trouble Codes o t erener eaer aa aaa AA A Ea RASA EaI Erara 20 PESI n Eae E EEEN E E E A E ENSA E E A N 22 Reset EMR Lamp Chrysler 1989 95 c ccccccccccssssssseeeeeeeeeeees 23 Customizing Data miss scis aiscapessetsinvlaa sede cdysves eavanehcae sitions 25 MON OBD II GM OBD I Chrysler OBD I Capture Mode ineens E ER 25

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