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1. While braking Q Mostly driving curvy roads At gear engagement Q Mostly driving rough roads Q With A C operating DRIVING HABITS Mostly city driving Q Highway Park vehicle inside Park vehicle outside Drive less than 10 miles per day Drive 10 to 50 miles per day Drive more than 50 miles per day Doc GASOLINE USED Q 87 Octane 91 Octane 89 Octane More than 91 Octane WEATHER CONDITIONS WHEN PROBLEM OCCURS 32 55 F 0 13 C Above 55 F 13 C Q Below freezing 32 F 0 C CHECK ENGINE LIGHT DASH WARNING LIGHT Sometimes ON C Always ON Never ON PECULIAR SMELLS Q Hot Gasoline C Sulfur rotten egg Burning oil Burning rubber Q Electrical STRANGE NOISES Rattle Squeak Knock C Other OBD2 19 Preparation for Testing BEFORE YOU BEGIN BEFORE YOU BEGIN The OBD2 Scan Tool aids in monitoring electronic and emissions related faults in your vehicle and retrieving fault codes related to malfunc tions in these systems Mechanical problems such as low oil level or damaged hoses wiring or electrical connectors can cause poor engine perform ance and may also cause a fault code to set Fix any known mechan ical problems before performing any test See your vehicle s service manual or a mechanic for more information Check the following areas before starting any test m Check the engine oil power steering fluid transmission fluid
2. and DOWN but tons as necessary to highlight Record Live Data then press the ENTER LD t button m The Record Live Data Menu dis plays 4 Use the UP and DOWN buttons as necessary to highlight Record by manual trigger then press the ENTER LD button 5 When the Record by Manual Trigger screen displays select the desired trigger point as follows The Scan Tool is capable of recording approximately 20 frames of Live Data Record by DTC trigger lets you select the point in time at which you wish the Scan Tool to begin recording Live Data You can set the trigger point to record the 20 frames of data before an event when the DTC was set after the event or in the middle 10 frames before and 10 frames after the event m Beginning records approximately 20 frames of Live Data after the ENTER LD button was pressed m Middle records approximately 10 frames of Live Data before and 10 frames after the ENTER LD but ton was pressed m End records approximately 20 frames of Live Data before the ENTER LD F button was pressed 6 Use the UP and DOWN buttons as necessary to select the desired trigger point then press the ENTER LD button 40 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA m A moment please message shows on the display When the Scan Tool is ready to record Live Data the Record Live Data screen displays 7 Put the engine
3. and can be accessed through a universal OBD 2 port which is usually found under the dashboard For all OBD systems if a problem is found the computer turns on the CHECK ENGINE light to warn the driver and sets a Diagnostic Trouble Code DTC to identify where the problem occurred A special diagnostic tool such as the OBD2 Scan Tool is required to retrieve these codes which consumers and professionals use as a Starting point for repairs OBD2 1 You Can Do It EASY TO USE EASY TO VIEW EASY TO DEFINE Easy To Use m Connect the Scan Tool to the vehi cle s test connector m Turn the ignition key On Press the LINK button Easy To View m The Scan Tool retrieves stored codes Freeze Frame data and 1 Readiness status 00404004 mn m Codes I M Readiness status and Freeze Frame data are displayed on the Scan Tool s display screen System sta tus is indicated by LED indicators Easy To Define m Read code definitions from the Scan Tool s display W View Freeze Frame data View Live Data 2 OBD2 Safety Precautions SAFETY FIRST SAFETY FIRST To avoid personal injury instrument damage and or damage to your vehicle do not use the OBD2 Scan Tool before reading this manual This manual describes common test procedures used by experienced service technicians Many test procedures require precautions to avoid accidents that can re
4. behind the ashtray the ashtray must be removed to access it or on the far left corner of the dash If the DLC cannot be located consult the vehicle s service manual for the location BATTERY REPLACEMENT Replace batteries when the battery symbol is visible on display and or the 3 LEDS are all lit and no other data is visible on screen 1 Locate the battery cover on the back of the Scan Tool 2 Slide the battery cover off use your fingers 3 Replace batteries with three AA size batteries for longer life use Alkaline type batteries 4 Reinstall the battery cover on the back of the Scan Tool Language Selection After Battery Installation The first time the Scan Tool is turned on you must select the desired display language English French or Spanish Select the display lan guage as follows 1 Press and hold the POWER LINK button for approximately 3 seconds to turn the Scan Tool ON m The Select Language screen displays 2 Use the UP and DOWN but tons as necessary to highlight the desired display language 3 When the desired display language is selected press the ENTER LD F button to confirm your selection m The display shows the To Link mes sage in the selected display lan guage Press the POWER LINK button to turn the Scan Tool off m After the initial language selection is performed it as well as other settings can be changed as desired See ADJUSTMENTS AND SETTI
5. closed loop fuel system status etc generated by the var ious vehicle sensors switches and actuators In effect the Scan Tool lets you view in real time the same signal val ues generated by the sensors actuators switches and or vehicle sys tem status information used by the vehicle s computer when calculat ing and conducting system adjustments and corrections The real time Live Data vehicle operating information values status that the computer supplies to the Scan Tool for each sensor actuator switch etc is called Parameter Identification PID Data Each PID sensor actuator switch status etc has a set of operating characteristics and features parameters that serve to identify it The Scan Tool displays this information for each sensor actuator switch or status that is supported by the vehicle under test WARNING If the vehicle must be driven in order to perform a troubleshooting procedure ALWAYS have a second per son help you One person should drive the vehicle while the other person observes the Scan Tool data Trying to drive and operate the Scan Tool at the same time is dangerous and could cause a serious traffic accident VIEWING LIVE DATA 1 Follow steps 1 through 7 of the Code Retrieval Procedure page 22 to place the Scan Tool in Code Retrieval mode 2 Press and release the ENTER LD button to place the Scan Tool in Live Data mode 3 Real time Live Data PID information support
6. if applicable engine coolant and other fluids for proper levels Top off low fluid levels if needed m Make sure the air filter is clean and in good condition Make sure all air filter ducts are properly connected Check the air filter ducts for holes rips or cracks m Make sure all engine belts are in good condition Check for cracked torn brittle loose or missing belts m Make sure mechanical linkages to engine sensors throttle gearshift position transmission etc are secure and properly con nected See your vehicle s service manual for locations m Check all rubber hoses radiator and steel hoses vacuum fuel for leaks cracks blockage or other damage Make sure all hoses are routed and connected properly m Make sure all spark plugs are clean and in good condition Check for damaged loose disconnected or missing spark plug wires m Make sure the battery terminals are clean and tight Check for cor rosion or broken connections Check for proper battery and charg ing system voltages m Check all electrical wiring and harnesses for proper connection Make sure wire insulation is in good condition and there are no bare wires m Make sure the engine is mechanically sound If needed perform a compression check engine vacuum check timing check if applica ble etc 20 OBD2 Preparation for Testing VEHICLE SERVICE MANUALS VEHICLE SERVICE MANUALS Always refer to the manufacturer s service manual
7. 31 Using the Scan Tool I M READINESS TESTING 2 YELLOW LED Determine from the Code Retrieval Procedure page 22 which of the two possible conditions is causing the yellow LED to light m If a PENDING Diagnostic Trouble Code is causing the yellow LED to SESS wl L light it is possible that the vehicle will fe be allowed to be tested for emissions and certified Currently most areas states countries will allow an Emissions Test Smog Check to be performed if the only code in the vehi cle s computer is a PENDING Diagnostic Trouble Code EMISSION STATUS 6 I M MONITOR STATUS an m If the illumination of the Yellow LED is 206295 Hi being caused by monitors that have not run their diagnostic testing then the issue of the vehicle being ready for an Emissions Test Smog Check depends on the emissions regula tions and laws of your local area Some areas require that all Monitors indicate a Has Run sta tus before they allow an Emissions Test Smog Check to be performed Other areas only require that some but not all Monitors have run their self diagnostic testing before an Emissions Test Smog Check may be performed From the code retrieval procedure determine the status of each Monitor a solid Monitor icon shows Monitor Has Run status a flashing Monitor icon indicates Has Not Run sta tus Take this information to an emissions professional to determine based on your test re
8. a PENDING code the PENDING icon is shown m The Diagnostic Trouble Code DTC and related code definition are shown in the lower section of the display In the case of long code definitions or when viewing Freeze Frame and Live Data a small arrow is shown in the upper lower right hand corner of the Scan Tool dis play area to indicate the presence of additional infor mation Use the 2 and buttons as necessary to view the additional information 9 Read and interpret Diagnostic Trouble Codes system condition using the display and the green yellow and red LEDs The green yellow and red LEDs are used with the dis play as visual aids to make it easier to determine engine system conditions 24 OBD2 Using the Scan Tool CODE RETRIEVAL PROCEDURE m Green LED Indicates that all engine systems are OK and operat ooooso de nom All monitors poe ia f by the vehicle have run and per formed their diagnostic testing and no trouble codes are present A zero will show on the Scan Tool s display and all Monitor icons will be solid m Yellow LED Indicates one of the following conditions A A PENDING CODE IS PRESENT If the yellow LED is illuminated it may SOOOGOD wm 0 ae a Pending code is present OUS fa Check the Scan Tools display for r confirmation A Pending code is con firmed by the presence of a numeric code and the word PENDING on the Scan Tool s display B MONITOR NOT R
9. for your vehicle before performing any test or repair procedures Contact your local car dealership auto parts store or bookstore for availability of these man uals The following companies publish valuable repair manuals m Haynes Publications 861 Lawrence Drive Newbury Park California 91320 Phone 800 442 9637 m Mitchell International 14145 Danielson Street Poway California 92064 Phone 888 724 6742 m Motor Publications 5600 Crooks Road Suite 200 Troy Michigan 48098 Phone 800 426 6867 FACTORY SOURCES Ford GM Chrysler Honda Isuzu Hyundai and Subaru Service Manuals m Helm Inc 14310 Hamilton Avenue Highland Park Michigan 48203 Phone 800 782 4356 OBD2 21 Using the Scan Tool CODE RETRIEVAL PROCEDURE CODE RETRIEVAL PROCEDURE Retrieving and using Diagnostic Trouble Codes DTCs for troubleshooting vehicle operation is only one part of an overall diagnostic strategy Never replace a part based only on the DTC definition Each DTC has a set of testing procedures instructions and flow charts that must be followed to confirm the loca tion of the problem This information is found in the vehicle s service manual Always refer to the vehicle s service manual for detailed testing instructions Se Check your vehicle thoroughly before performing any test See Before You Begin on page 20 for details ALWAYS observe safety precautions whenever working a vehicle See Safety P
10. in the operating condition where the problem manifests itself m f necessary drive the vehicle until you reach the vehicle speed at which the problem occurs 8 When the problem occurs press and release the ENTER LD amp E button m All three LEDs will blink for three sec onds to indicate that Live Data is being recorded and a One moment please message shows on the display m When recording is complete a confir mation screen displays asking if you would like to view the recorded data Use the UP DOWN but tons as necessary to select Yes or No as desired then press the ENTER LD H button w If Yes is selected the Scan Tool enters Playback mode from which you can view a frame by frame playback of recorded Live Data see Live Data Playback on page 42 for details If No is selected the display returns to the Live Data View mode 9 You can exit the Record Live Data Mode at any time by pressing and holding the ENTER LD button until the Mode Selection Menu displays If desired you can transfer the recorded Live Data informa tion to a personal computer using the optional PC LINK pro gram see instructions included with PC Link for more infor mation Important Information 1 When Live Data capture is initiated the green yellow and red LEDs on the Scan Tool will flash three times to indicate that Live Data is being saved to the Scan Tool s memory OBD2 41
11. records captures Live Data information when a DTC sets and saves it in the Scan Tool s memory The record ed captured data can be a valuable troubleshooting aid particularly if you are experiencing a fault that is causing a DTC to set OBD2 37 Live Data Mode RECORDING CAPTURING LIVE DATA 1 With the Scan Tool in Live Data mode see Viewing Live Data on page 35 for details press and hold the ENTER LD button until the Mode Selection Menu appears 2 Use the UP and DOWN but tons as necessary to highlight Live Data Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the UP and DOWN but tons as necessary to highlight Record Live Data then press the ENTER LD button m The Record Live Data Menu dis plays 4 Use the UP and DOWN but tons as necessary to highlight Record by DTC trigger then press the ENTER LD button 5 When the Record by DTC Trigger screen displays select the desired trigger point as follows The Scan Tool is capable of recording approximately 20 frames of Live Data Record by DTC trigger lets you select the point in time at which you wish the Scan Tool to begin recording Live Data You can set the trigger point to record the 20 frames of data before an event when the DTC sets after the event or in the middle 10 frames before and 10 frames after the event m Beginning reco
12. the Scan Tool s display The display shows the following information _ m Test ID number m Module ID number m Component ID number m Min or Max test limit Only one test limit either Min or Max is shown for any given test m Test Value and status 46 OBD2 Additional Tests SYSTEM TEST Status is calculated by the Scan Tool by comparing the Test Value against the displayed test limit either Min or Max Status is shown as either Low High or OK 5 When you have finished viewing the retrieved test data scroll to the end of the display to select Exit then press the ENTER LD button to return to the Select Test screen SYSTEM TEST The System Test function lets you initiate a leak test for the vehicle s EVAP system The Scan Tool does not perform the leak test but signals to vehicle s on board computer to initiate the test The vehicle manufacturer determines the criteria and method for stopping the test once it has been started BEFORE using the System Test function refer to the vehicle s service repair manual to determine the procedures necessary to stop the test 4 OBD2 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight System Test then press the ENTER LD F button m The System Test Menu displays Use the UP and DOWN but tons as necessary to highlight EVAP Leak Test then press the ENTER LD button A One momen
13. 1 OBD2 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight Vehicle Information then press the ENTER LD button m The Vehicle Information Menu dis plays If the Vehicle Information func tion is not supported by the vehi cle under test an advisory mes sage shows on the Scan Tool s display Press the ENTER LD button to return to Live Data mode Use the UP and DOWN but tons as necessary to highlight Available Modules then press the ENTER LD button A One moment please message dis plays while the requested information is retrieved from the vehicle s computer When the retrieval process is complet ed a complete list of modules support ed by the vehicle under test is shown on the Scan Tool s display Use the UP e and DOWN buttons as necessary to view the entire list When you have finished viewing the list of available modules press the ENTER LD button to return to Live Data mode 49 Generic Global OBD2 PID List The following is a list of Generic Global PIDs and their descriptions Tool Displa Value PID Description ACC Pedal D XXX X Accelerator Pedal Position D ACC Pedal E XXX X Accelerator Pedal Position E ACC Pedal F XXX X Accelerator Pedal Position F Air Status UPS DNS Commanded Secondary Air 7 Ambient Air Air Temperature Aux
14. AMPLE P0201 Injector Circuit Malfunction Cylinder 1 B Body P 0 2 0 1 C Chassis SB P Powertrain U Network 0 Generic 1 Manufacturer Specific 2 Generic 3 Includes both Generic and Manufacturer Specific Codes Identifies the system where the problem is located 1 Fuel and Air Metering 2 Fuel and Air Metering injector circuit malfunction only 3 Ignition System or Misfire 4 Auxiliary Emission Control System 5 Vehicle Speed Control and Idle Control System 6 Computer Output Circuits 7 Transmission 8 Transmission Identifies what section of the system is malfunctioning DTCs and MIL Status When the vehicle s on board computer detects a failure in an emissions related component or system the computer s internal diagnostic program assigns a diagnostic trouble code DTC that points to the system and sub system where the fault was found The diag nostic program saves the code in the com SOON puter s memory It records a Freeze Frame of conditions present when the fault was found and lights the Malfunction Indicator Lamp MIL Some faults require detection for two trips in a row before the MIL is turned on The Malfunction Indicator Lamp MIL is the accepted term used to describe the lamp on the dashboard that lights to warn the driver that an emissions related fault has been found Some manufacturers may still call this lamp a Check Engine or Service
15. DIGITAL CC Can Ef Scan Tool OWNER S MANUAL The Easiest And Best Way To Troubleshoot 1996 and Newer OBD2 Vehicles Table of Contents Title Page No INTRODUCTION What iS OBD dares eR aa ope e x 1 YOU CAN DO IT bocce dc eae encase rn Rn emer mk 2 SAFETY PRECAUTIONS Safety 5 coss kae xU ra dead dec d 3 ABOUT THE SCAN TOOL Vehicles Covered 5 Battery Replacement 6 Adjustments and Settings 7 SCAN TOOL CONTROLS Controls and Indicators 11 Display Functions iss ren nmm 12 ONBOARD DIAGNOSTICS Diagnostic Trouble Codes DTCs 15 PREPARATION FOR TESTING Preliminary Vehicle Diagnosis Worksheet 17 Before You Begin 0 cee eee eee 20 Vehicle Service Manuals 21 USING THE SCAN TOOL Code Retrieval Procedure 22 Erasing Diagnostic Trouble Codes DTCs 27 I M Readiness Testing 29 LIVE DATA MODE Viewing Live Data 35 Customizing Live Data PIDs 36 Recording Capturing Live Data 37 Live Data Playback 42 ADDITIONAL TESTS O2 Sensor TeSt i scs
16. EMS STARTING C No symptoms Will not crank ENGINE QUITS OR STALLS C No symptoms Right after starting Q When shifting into gear During steady speed driving IDLING CONDITIONS C No symptoms C Is too slow at all times Is too fast RUNNING CONDITIONS No symptoms Runs rough Lacks power Bucks and jerks Poor fuel economy Hesitates or stumbles on accelerations 18 Cranks but will not start Starts but takes a long time Right after vehicle comes to a stop While idling During acceleration When parking Is sometimes too fast or too slow Is rough or uneven Fluctuates up and down Backfires Misfires or cuts out Engine knocks pings or rattles Surges Dieseling or run on OBD2 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET AUTOMATIC TRANSMISSION PROBLEMS if applicable No symptoms Vehicle does not move when in Shifts too early or too late gear Changes gear incorrectly Jerks or bucks PROBLEM OCCURS Morning Afternoon Anytime ENGINE TEMPERATURE WHEN PROBLEM OCCURS Q Cold C Warm C Hot DRIVING CONDITIONS WHEN PROBLEM OCCURS C Short less than 2 miles C With headlights on Q 2 10 miles During acceleration C Long more than 10 miles Q Mostly driving downhill Stop and go Mostly driving uphill Q While turning Mostly driving level C
17. Engine Soon light 16 OBD2 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET The purpose of this form is to help you gather preliminary information on your vehicle before you retrieve codes By having a complete account of your vehicle s current problem s you will be able to systematically pin point the problem s by comparing your answers to the fault codes you retrieve You can also provide this information to your mechanic to assist in diagnosis and help avoid costly and unnecessary repairs It is impor tant for you to complete this form to help you and or your mechanic have a clear understanding of your vehicle s problems NAME DATE VIN YEAR MAKE MODEL ENGINE SIZE VEHICLE MILEAGE VIN Vehicle Identification Number found at the base of the windshield on a metallic plate or at the driver door latch area consult your vehicle owner s manual for location TRANSMISSION Automatic Manual Please check all applicable items in each category DESCRIBE THE PROBLEM OBD2 17 Preparation for Testing PRELIMINARY VEHICLE DIAGNOSIS WORKSHEET WHEN DID YOU FIRST NOTICE THE PROBLEM Q Just Started Started Last Week Started Last Month Other LIST ANY REPAIRS DONE IN THE PAST SIX MONTHS PROBL
18. If you have any questions require technical support or information on UPDATES and OPTIONAL ACCESSORIES please contact your local store distributor or the Service Center USA amp Canada 800 544 4124 6 00 AM 6 00 PM Monday Friday PST All others 714 241 6802 6 00 AM 6 00 PM Monday Friday PST FAX 714 432 7511 24 hr Web www CanOBD2 com OBD2 57 TECHNICAL ASSISTANCE AS 5 WE EMPLOY TECHNICIANS CERTIFIED BY ASE ONLY LET US SHOW YOU THEIR CREDENTIALS www CanOBD2 com INNOVA Innova Electronics Corp 17291 Mt Herrmann Street Fountain Valley CA 92708 Printed in Taiwan Instruction MRP 4493 0099
19. Input Status Off Auxiliary Input Status inHg Calc LOAD XXX X Calculated LOAD Value CAT Temp 11 XXXX X Catalyst Temperature Bank 1 Sensor 1 CAT Temp 12 XXXX X Catalyst Temperature Bank 1 Sensor 2 CAT Temp 21 Catalyst Temperature Bank 2 Sensor 1 CAT Temp 22 XXXX X Catalyst Temperature Bank 2 Sensor 2 Command XXX X Commanded EGR EGR Command 96 XXX X Commanded Evaporative Purge EVAP Command TAC XXX X Commanded Throttle Actuator Dist DTC Clr XXXXX Distance since DTC Cleared mile Dist MIL ON XXXXX Distance Traveled while MIL ON miles XXX EQ Ratio XXXX Commanded Equivalence Ratio Rud Bank 1 Sensor 1 Equivalence Ratio iE Bank 1 Sensor 2 Equivalence Ratio Bank 1 Sensor 3 Equivalence Ratio 50 OBD2 Tool Displa EQ Ratio 14 EQ Ratio 21 EQ Ratio 22 EQ Ratio 23 EQ Ratio 24 EVAP Press FP Vac Fuel Level Fuel Press Fuel Press Fuel Sys 1 Fuel Sys 1 Fuel Sys 1 Fuel Sys 1 Fuel Sys 1 Fuel Sys 2 Fuel Sys 2 Fuel Sys 2 Fuel Sys 2 Fuel Sys 2 LOAD Value LTFT B1 LTFT B2 LTFT B3 LTFT B4 OBD2 Pa in H2O kPa PSI 96 kPa kPa PSI Q 0 9 9 9 9 9 5 25 os Generic Global OBD2 PID List PID Description X XXX Bank 1 Sensor 4 Equivalence Ratio X XXX Bank 2 Sensor 1 Equivalence Ratio X XXX Bank 2 Sens
20. Link icon Indicates whether not the Scan Tool is commu nicating linked with the vehicle s on board computer When visible the Scan Tool is communicating with the computer If the Link icon is not visible the Scan Tool is not communicating with the computer amp Computer icon When this icon is visible it indicates that the Scan Tool is linked to a personal computer An optional PC Link Kit is available that makes it possible to upload retrieved data to a personal computer Scan Tool Internal Battery icon When visible indicates the Scan Tool batteries are low and should be replaced If the batter ies are not replaced when the battery symbol is on all 3 LEDs will light up as a last resort indicator to warn you that the batteries need replacement No data will be displayed on screen when all 3 LEDs are lit DTC Display Area Displays the Diagnostic Trouble Code DTC num ber Each fault is assigned a code number that is specific to that fault Test Data Display Area Displays DTC definitions Freeze Frame data Live Data and other pertinent test information messages FREEZE FRAME icon Indicates that there is Freeze Frame data from Priority Code Code 1 stored in the vehicle s computer memory HISTORY icon Indicates the currently displayed DTC is a History code PENDING icon Indicates the currently displayed DTC is a Pending code MIL icon Indicates the status of the Ma
21. Live Data Mode LIVE DATA PLAYBACK 2 When you are LINKED to a vehicle and you are in the Live Data View mode you can toggle between Live Data View mode and DTC view mode by alternately pressing and releasing the DTC SCROLL or the ENTER LD buttons The Scan Tool will stay linked to the vehicle s computer during this process However if the DTC SCROLL button is pressed twice the DTC screen will be advanced to the next DTC screen and the Scan Tool will be taken out of link LIVE DATA PLAYBACK Once Live Data has been recorded it is saved in the Scan Tool s mem ory You can view recorded Live Data immediately after recording by selecting Yes from the Record Live Data confirmation screen see Recording Live Data on page 37 for more information or you can view it later using the Playback function 1 With the Scan Tool not connected to a vehicle press the POWER LINK button m The To Link screen shows on the Scan Tool s display 2 Press the ENTER LD button to place the Scan Tool in Live Data Playback mode m The display shows the recorded Live Data beginning with the trigger frame SP When you select Yes from the Record Live Data confirmation screen the Scan Tool enters the Live Data Playback mode and the display shows the recorded Live Data beginning with the trigger frame m A vehicle usually supports several PIDs however only a limited amount of PID data can be displayed on the sc
22. NGS on page 7 for further instructions 6 OBD2 About the Scan Tool ADJUSTMENTS AND SETTINGS ADJUSTMENTS AND SETTINGS The OBD2 Scan Tool lets you make several adjustments and settings to configure the Scan Tool for your particular needs The following adjustments and settings are available m DTC Library Library of OBD2 DTC definitions m Adjust Brightness Adjusts the brightness of the display screen m Display Backlight Turns the display backlight on and off a Select Language Sets the display language for the Scan Tool to English French or Spanish m Unit of Measure Sets the Unit of Measure for the Scan Tool s dis play to USA or metric Adjustments and settings can be made only when the Scan Tool is NOT connected to a vehicle To enter the MENU Mode 1 With the Scan Tool off press and hold the UP button then press release the POWER LINK button m The adjustments and setting MENU displays 2 Release the UP 2 button DO NOT release the UP 2 button until the adjustments and settings MENU is visible on the display 3 Make adjustments and settings as described in the following para graphs Searching for a DTC Definition Using the DTC Library 1 Use the UP and DOWN but tons as necessary to highlight DTC Library in the MENU then press the ENTER LD button m The Enter DTC screen displays The screen shows the code P0000 with the P flashing 2 Use the U
23. P and DOWN buttons as necessary to scroll to the desired DTC type P Powertrain U Network B Body C Chassis then press the DTC SCROLL button OBD2 7 About the Scan Tool ADJUSTMENTS AND SETTINGS m The selected character displays solid and the next character begins flashing 3 Select the remaining characters in the DTC in the same way press ing the DTC SCROLL button to confirm each character When you have selected all the DTC characters press the ENTER LD button to view the DTC definition m If you entered a Generic DTC DTCs that start with PO P2 and some The selected DTC and DTC defi nition if available show on the Scan Tool s display m If you entered a Manufacturer Specific DTC DTOs that start with and some P3 The Select Manufacturer screen displays Use the UP and DOWN buttons as necessary to high light the appropriate manufactur er then press the ENTER LD button to display the correct DTC for your vehicle Sz If a definition for the DTC you entered is not available an advi sory message shows on the Scan Tool s display 4 If you wish to view definitions for additional DTCs press the ENTER LD button to return to the Enter DTC screen and repeat steps 2 and 3 5 When all desired DTCs have been viewed press the ERASE button to exit the DTC Library Adjusting Display Bri
24. UN STATUS If the Scan Tools display shows a zero indicating there are no DTC s pres OSOqg ent in the vehicle s computer memo ry but the yellow LED is illuminated it may be an indication that some of the Monitors supported by the vehicle have not yet run and completed their diagnostic testing Check the Scan Tools display for confirmation All Monitor icons that are blinking have not yet run and completed their diagnostic testing all Monitor icons that are solid have run and completed their diagnostic testing m Red LED Indicates there is a prob lem with one or more of the vehicle s systems The red LED is also used to indicate that DTC s are present dis played on the Scan Tool s screen In this case the Multifunction Indicator Check Engine lamp on the vehicle s instrument panel will be illuminated 1 MONITOR STATUS LIW 6 SOOS fo m that start with PO P2 and some P3 are considered Generic Universal All Generic DTC definitions are the same on all OBD2 equipped vehicles The Scan Tool automatically dis plays the code definitions if available for Generic DTC s OBD2 25 Using the Scan Tool CODE RETRIEVAL PROCEDURE m DTC s that start with and some P3 are Enhanced Manufacturer spe Soo cific codes and their code definitions high vary with each vehicle manufacturer When an Enhanced Manufacturer specific DTC is retrieved t
25. VEHICLE EMISSION CONTROL INFORMATION ENGINE FAMILY EFN2 6YBT2BA OBD II DISPLACEMENT 2 6L CERTIFIED 4 is VEHICLE VEHICLE CONFORMS TO U S EPA AND STATE MANUFACTURER OF CALIFORNIA REGULATIONS APPLICABLE TO 1999 MODEL YEAR NEW TLEV PASSENGER CARS OBD Il REFER TO SERVICE MANUAL FOR ADDITIONAL INFORMATION TUNE UP CONDITIONS NORMAL OPERATING ENGINE TEMPERATURE CERTIFIED ACCESSORIES OFF COOLING FAN OFF TRANSMISSION IN NEUTRAL EXHAUST EMISSIONS STANDARDS STANDARD CATEGORY CERTIFICATION IN USE TLEV TLEV INTERMEDIATE SPARK PLUG emere earALYST lll GAP 1 1MM 2 Government Regulations require that I all OBD2 compliant vehicles must O 41567810 have a common sixteen pin Data 1213141516 Link Connector DLC Some 1994 and 1995 vehicles have 16 pin connectors but are not OBD 2 compliant Only those vehicles with a Vehicle Emissions Control Label stating II Certified are OBD 2 compliant Data Link Connector DLC Location The 16 pin DLC is usually located under the instrument panel dash within 12 inches 300 mm of center of the panel on the drivers side of most vehicles It should be eas ily accessible and visible from a kneeling position outside the vehicle with the door open LEFTCORNER OF DASH OF DASH OBD2 5 About the Scan Tool VEHICLES COVERED BATTERY REPLACEMENT On some Asian and European vehicles the DLC is located
26. a fault has been performed to confirm that the repair has been per formed correctly and or to check for Monitor Run Status Use the fol lowing procedure to determine 1 Readiness Monitor Status 1 Using retrieved Diagnostic Trouble Codes DTCs and code defini tions as a guide and following manufacturer s repair procedures repair the fault or faults as instructed 2 After the fault or faults have been repaired connect the Scan Tool to the vehicle s DLC and erase the code or codes from the vehicle s computer memory See page 27 for procedures to erase DTCs from the vehicle s on board computer m Write the codes down on a piece of paper for reference before erasing 3 After the erase procedure is performed most of the Monitor icons on the Scan Tool s display will be flashing Leave the Scan Tool con nected to the vehicle and perform a Trip Drive Cycle for each flash ing Monitor Misfire Fuel and Comprehensive Component Monitors run continuously and their icons will always be on solid even after the erase function is performed m Each DTC is associated with a specific Monitor Consult the vehi cle s service manual to identify the Monitor or Monitors associ ated with the faults that were repaired Follow the manufacturer s procedures to perform a Trip Drive Cycle for the appropriate Monitors m While observing the Monitor icons on the Scan Tool s display perform a Trip Drive Cycle for the appropriate Monit
27. ally designed to run tests and diagnostics on a specific emissions related component or system Oxygen Sensor Catalytic Converter EGR Valve Fuel System etc to ensure their proper operation Currently there are a maximum of eleven Monitors available for use Each Monitor has a specific function to test and diagnose only its designated emissions related component or system The names of the Monitors Oxygen Sensor Monitor Catalyst Monitor EGR Monitor Misfire Monitor etc describe which component or system each Monitor is designed to test and diagnose Emissions Inspection and Maintenance I M Readiness Monitor Status Information I M Readiness Monitor Status shows which of the vehicle s Monitors have run and completed their diagnosis and testing and which ones have not yet run and completed testing and diagnosis of their desig nated sections of the vehicle s emissions system m f a Monitor was able to meet all the conditions required to enable it to perform the self diagnosis and testing of its assigned engine sys tem it means the monitor HAS RUN m f Monitor has not yet met all the conditions required for it to per form the self diagnosis and testing of its assigned engine system it means the Monitor HAS NOT RUN The Monitor Run Not Run status does not show whether or not a problem exists in a system Monitor status only indicates whether a particular Monitor has or has not run and performed the self dia
28. ary repairs before proceeding 5 Turn the ignition on DO NOT start the engine 6 Press and release the Scan Tool s POWER LINK button m The Scan Tool will automatically start a check of the vehicle s computer to determine which type of communica tion protocol it is using When the Scan Tool identifies the computer s communication protocol a communi cation link is established The proto col type used by the vehicle s com puter is shown on the display A PROTOCOL is a set of rules and procedures for regu lating data transmission between computers and between testing equipment and computers As of this writing five different types of protocols ISO 9141 Keyword 2000 41850 PWM 41850 VPW and CAN are in use by vehicle manufacturers The Scan Tool automatically identifies the protocol type and establishes a communication link with the vehicle s computer 7 After approximately 10 60 seconds the Scan Tool will retrieve and display any Diagnostic Trouble Codes Monitor Status and Freeze Frame Data retrieved from the vehicle s computer memory m If the Scan Tool fails to link to the vehi cle s computer a Linking Failed mes sage shows on the Scan Tool s dis play Verify the connection at the DLC and verify the ignition is ON Turn the ignition OFF wait 5 sec onds then turn back ON to reset the computer Ensure your vehicle is OBD2 compliant See Vehicles Covered on page 5 for vehicle compliance ve
29. ctor DLC OBD2 3 Safety Precautions SAFETY FIRST To prevent damage to the on board computer when tak ing vehicle electrical measurements always use a digi tal multimeter with at least 10 megOhms of impedance Fuel and battery vapors are highly flammable To pre vent an explosion keep all sparks heated items and open flames away from the battery and fuel fuel vapors DO NOT SMOKE NEAR THE VEHICLE DUR ING TESTING Don t wear loose clothing or jewelry when working on an engine Loose clothing can become caught in the fan pulleys belts etc Jewelry is highly conductive and can cause a severe burn if it makes contact between a power source and ground OBD2 About the Scan Tool VEHICLES COVERED VEHICLES COVERED The OBD2 Scan Tool is designed to work on all OBD 2 compliant vehi cles All 1996 and newer vehicles cars and light trucks sold in the United States are OBD 2 compliant Federal law requires that all 1996 and newer cars and light trucks sold in the United States must be OBD 2 compliant this includes all Domestic Asian and European vehicles Some 1994 and 1995 vehicles are OBD 2 compliant To find out if a 1994 or 1995 vehicle is OBD 2 compliant check the following 1 The Vehicle Emissions Control Information VECI Label This label is located under the hood or by the radiator of most vehicles If the vehicle is OBD 2 compliant the label will state OBD II Certified
30. d to the vehicle while toggling between modes If the DTC SCROLL button is pressed twice then the screen will scroll to the next DTC and the tool will be taken out of link When toggling from the Live Data to the DTC screen a one moment please message will temporarily display followed by the DTC screen CUSTOMIZING LIVE DATA PIDs This feature lets you customize the Scan Tool display to show only those PIDs that are of interest at the current time You can customize the Live Data display by placing the Scan Tool in Custom Live Data mode and selecting only the PIDs that you wish to display To cus tomize the Live Data display proceed as follows 1 With the Scan Tool in Live Data mode see Viewing Live Data on page 35 for details press and hold the ENTER LD E button until the Mode Selection Menu appears 2 Use the the and DOWN but tons as necessary to highlight Live Data Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the UP and DOWN but tons as necessary to highlight Custom Live Data then press the ENTER LD button 36 OBD2 Live Data Mode RECORDING CAPTURING LIVE DATA m The Custom Live Data menu displays with the first PID in the menu highlighted Use the UP and DOWN buttons to scroll through the available PIDs When the PID you wish to display is highlighted press the ENTER LD F but
31. determine if emission related calibrations for the vehicle under test have been changed One or more CVNs may be returned by the vehicle s computer 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight Vehicle Information then press the ENTER LD F button m The Vehicle Information Menu dis plays If the Vehicle Information func tion is not supported by the vehi cle under test an advisory mes sage shows on the Scan Tool s display Press the ENTER LD button to return to the Mode Selection menu 2 Use the UP DOWN but tons as necessary to highlight Vehicle ID then press the ENTER LD button 3 A One moment please message dis plays while the requested information is retrieved from the vehicle s computer The first time the Vehicle ID function is used it may take sev eral minutes to retrieve the information from the vehicle s computer 48 OBD2 4 Additional Tests When the retrieval process is complet ed the vehicle ID information is shown on the Scan Tool s display Use the UP and DOWN buttons as neces sary to view the entire list When you have finished viewing the retrieved vehicle ID information press VEHICLE INFORMATION the ENTER LD button to return to Live Data mode Viewing Available Modules The Scan Tool can retrieve a list of modules supported by the vehicle under test
32. e that all the Monitors that a partic ular vehicle supports indicate a Has Run status condition before an Emissions Check may be performed 3 Other areas may only require that some but not all Monitors indi cate a Has Run status before an Emissions Test Smog Check may be performed Monitors with a Has Run status indicate that all the required conditions they needed to perform diagnosis and testing of their assigned engine area system have been met and all diagnostic testing has completed suc cessfully Monitors with a Has Not Run status have not yet met the conditions they need to perform diagnosis and test ing of their assigned engine area system and have not been able to perform diagnostic testing on that system The green yellow and red LEDs provide a quick way to help you deter mine if a vehicle is ready for an Emissions Test Smog Check Follow the instructions below to perform the Quick Check Perform the Code Retrieval Procedure as described on page 22 then interpret the LED indications as follows Interpreting I M Readiness Test Results 1 GREEN LED Indicates that all engine _I M MONITOR STATUS M ee og systems are OK and operating nor COD Uu mally all Monitors supported by the vehicle have run performed their self diagnostic testing The vehicle is ready for an Emissions Test Smog Check and there is a good possibility that it can be certified OBD2
33. ed by the vehicle under test dis plays Se Remember what you are viewing is real time Live Data The values volts rom temperature vehicle speed system status etc for the various PIDS displayed may change as the vehicle s operating conditions change 4 A vehicle usually supports several PIDs however only a limited amount of PID data can be displayed on the screen at one time If additional PID data is available a small arrow will be shown on the display Use the the UP 2 and DOWN buttons as necessary to scroll up or down to view all available PID data OBD2 35 Live Data Mode CUSTOMIZING LIVE DATA PIDs m f communication with the vehicle is lost while viewing Live Data a Communication Lost message shows on the Scan Tool s display 5 If you experience vehicle problems view and or compare the Live Data PID information displayed on the Scan Tool to specifications in the vehicle s repair manual If desired you can customize the Live Data display to show only those PIDs you are interested in viewing See Customizing Live Data PIDs below for details You may also choose to capture record Live Data for later viewing See Recording Live Data on page 37 for details 6 You can toggle back and forth between the DTC screen to view DTCs and Live Data screen to view PIDs by alternately pressing and releasing the DTC SCROLL and the ENTER LD but tons once the unit will stay linke
34. ehicle to a professional to have it serv iced complete the Preliminary Vehicle Diagnosis Worksheet on page 17 and take it together with the retrieved codes freeze frame data and LED information to aid in the troubleshooting procedure m To prolong battery life the Scan Tool automatically shuts Off approximately three minutes after it is disconnected from the vehicle The DTCs retrieved captured Live Data Information Monitor Status and Freeze Frame data if any will remain in the Scan Tool s memory and may be viewed at any time by turning the unit On If the Scan Tool s batteries are removed or if the Scan Tool is re linked to a vehicle to retrieve codes data any prior codes data in its memory are automatically cleared ERASING DIAGNOSTIC TROUBLE CODES DTCs When the Scan Tool s ERASE function is used to erase DTCs from the vehicle s on board computer Freeze Frame data and manufacturer specific enhanced data are also erased If you plan to take the vehicle to a Service Center for repair DO NOT erase the codes from the vehicle s computer If the codes are erased valuable information that might help the technician troubleshoot the problem will also be erased Erase DTCs from the computer s memory as follows OBD2 27 Using the Scan Tool ERASING DIAGNOSTIC TROUBLE CODES DTCs When DTCs are erased from the vehicle s computer memo ry the I M Readiness Monitor Status program resets the sta tus of all Monit
35. ehicle to compensate for operating conditions that vary from the ideal A F ratio long term Manufacturer Specific Code A DTC that applies only to OBD 2 compliant vehicles made by a specific manufacturer MIL Malfunction Indicator Lamp also referred to as Check Engine light OBD 1 On Board Diagnostics Version 1 also referred to as OBD 1 OBD2 55 Glossary GLOSSARY OF TERMS AND ABBREVIATIONS 56 OBD 2 On Board Diagnostics Version 2 also referred to as II On Board Computer The central processing unit in the vehicle s computer control system PCM Powertrain Control Module Pending Code A code recorded on the first trip for a two trip code If the fault that caused the code to be set is not detected on the second trip the code is automatically erased PID Parameter Identification STFT Short Term Fuel Trim is a program in the vehicle s computer designed to add or subtract fuel from the vehicle to compensate for operating conditions that vary from the ideal A F ratio The vehicle uses this program to make minor fuel adjustments fine tune on a short term basis Trip Drive Cycle Vehicle operation that provides the necessary driv ing condition to enable a vehicle Monitor to run and complete its diag nostic testing VECI Vehicle Emission Control Information Decal OBD2 Warranty and Servicing LIMITED ONE YEAR WARRANTY The Manufacturer warrant
36. ents OBD2 OBD 1 OBD Requirements o OBD OBD Requirements EOBD OBD Requirements EOBD and OBD Requirements OBD2 EOBD and OBD Requirements OBD EOBD OBD OBD Requirements and OBD2 JOBD OBD Requirements JOBD and OBD Requirements OBD2 JOBD and OBD Requirements EOBD JOBD EOBD OBD Requirements and OBD2 On Off Power Take Off Status XX X Relative Throttle Position XX Ignition Timing Advance 1 Cylinder XXX STFTB1S2 STFTB1S3 XX X STFTB1S4 XX X STFT B2 96 XXX X Short Term Fuel Trim Bank 2 oleloelo elolo o 10 8 Support Support OBD Support OBD Support OBD Support OBD Support OBD Support OBD Support OBD Support PTO Status Rel TPS Spark Adv STFT B1 STFT B1 S1 96 96 OBD2 53 Generic Global OBD2 PID List Tool Displa Value PID a ption pstereest XXX X Bank2 Sensor1 0000 2 Sensor 1 XXXX Time Since Engine Start Start XXX X Absolute Throttle Position TPS B XXX X Absolute Throttle Position B TPSC XXX X Absolute Throttle Position C Veh Speed km h XXX XXX Vehicle Speed Sensor mph Warm up DTC BERGE 3t Warm ups since DTC Cleared Clr 54 OBD2 Glossary GLOSSARY OF TERMS AND ABBREVIATIONS GLOSSARY OF TERMS AND ABBREVIATIONS CARB California Air Resources Board CCM Central Control Module Computer Control System An electronic control system consisting
37. ered If the vehicle is reg istered in a highly urbanized area the 240 is probably the type of test required If the vehicle is registered in a rural area the stricter dynamometer type test may not be required 1 Readiness Monitors 1 Readiness shows whether the various emissions related systems on the vehicle are operating properly and are ready for Inspection and Maintenance testing State and Federal Governments enacted Regulations Procedures and Emission Standards to ensure that all emissions related components and systems are continuously or periodically monitored tested and diagnosed whenever the vehicle is in operation It also requires vehi cle manufacturers to automatically detect and report any problems or faults that may increase the vehicle s emissions to an unacceptable level The vehicle s emissions control system consists of several compo nents or sub systems Oxygen Sensor Catalytic Converter EGR Fuel System etc that aid in reducing vehicle emissions OBD2 29 Using the Scan Tool I M READINESS TESTING To have an efficient Vehicle Emission Control System all the emis sions related components and systems must work correctly whenever the vehicle is in operation To comply with State and Federal Government regulations vehicle manufacturers designed a series of special computer programs called Monitors that are programmed into the vehicle s computer Each of these Monitors is specific
38. ghtness 1 Use the UP and DOWN but tons as necessary to highlight Adjust Brightness in the MENU then press the ENTER LD button m The Adjust Brightness screen dis plays 8 OBD2 About the Scan Tool ADJUSTMENTS AND SETTINGS m The Brightness field shows the cur rent brightness setting from 0 to 43 2 Press the UP button to decrease the brightness of the display make the display darker 3 Press the DOWN button to increase the brightness of the display make the display lighter 4 When the desired brightness is obtained press the ENTER LD button to save your changes and return to the MENU Using the Backlight 1 Use the UP and DOWN but tons as necessary to highlight Display Backlight in the MENU then press the ENTER LD button m The Display Backlight screen displays 2 Press the UP e or DOWN button as necessary to select the desired backlight mode either ON or OFF 3 When the desired backlight mode is selected press the ENTER LD button to save your changes m The display returns to the MENU and the backlight turns on or off as selected Selecting the Display Language 1 Use the UP and DOWN but tons as necessary to highlight Select Language in the MENU then press the ENTER LD button m The Select Language screen dis plays m The currently selected display Language is highlighted 2 Press the UP or DOWN butt
39. gnosis and testing of its asso ciated system Performing I M Readiness Quick Check When a vehicle first comes from the factory all Monitors indi cate a HAVE RUN status This indicates that all Monitors have run and completed their diagnostic testing The HAVE RUN status remains in the computer s memory unless the Diagnostic Trouble Codes are erased or the vehicle s com puter memory is cleared 30 OBD2 Using the Scan Tool I M READINESS TESTING The Scan Tool allows you to retrieve Monitor System Status Infor mation to help you determine if the vehicle is ready for an Emissions Test Smog Check In addition to retrieving Diagnostic Trouble Codes the Scan Tool also retrieves Monitor Run Not Run status This informa tion is very important since different areas of the state country have dif ferent emissions laws and regulations concerning Monitor Run Not Run status Before an Emissions Test Smog Check can be performed your vehi cle must meet certain rules requirements and procedures legislated by the Federal and state country governments where you live 1 In most areas one of the requirements that must be met before a vehicle is allowed to be Emissions Tested Smog Checked is that the vehicle does not have any Diagnostic Trouble Codes present with the exception of PENDING Diagnostic Trouble Codes 2 In addition to the requirement that no Diagnostic Trouble Codes be present some areas also requir
40. he LCD dis play shows a list of vehicle manufactur ers Use the UP and DOWN buttons as necessary to highlight the appropriate manufacturer then press the ENTER LD F button to display the correct code definition for your vehicle If the manufacturer for your vehicle is not listed use the UP e and DOWN buttons as necessary to select Other manufacturer and press the ENTER LD but ton for additional DTC information Sr If the Manufacturer Specific definition for the currently dis played code is not available an advisory message shows on the Scan Tool s display 1 MONITOR STATUS td rus Seas 10 If more than one DTC was retrieved and to view Freeze Frame Data press and release the DTC SCROLL button as necessary m Each time the DTC SCROLL B button is pressed and released the Scan Tool will scroll and display the next DTC in sequence until all DTCs in its memory have displayed m Freeze Frame Data if available will display after DTC 1 Whenever the Scroll function is used to view additional DTCs and Freeze Frame Data the Scan Tool s communi cation link with the vehicle s computer disconnects To re establish communication press the POWER LINK button again m In OBD2 systems when an emis sions related engine malfunction occurs that causes a DTC to set a record or snapshot of engine condi tions at the time that the malfunctio
41. he Scan Tool I M READINESS TESTING m f the erase was not successful an advisory message shows on the dis play Verify that the Scan Tool is prop erly connected to the vehicle s DLC and that the ignition is on then repeat steps 2 and 3 above Erasing DTCs does not fix the problem s that caused the code s to be set If proper repairs to correct the problem that caused the code s to be set are not made the code s will appear again and the check engine light will illuminate as soon as the vehicle is driven long enough for its Monitors to complete their testing I M READINESS TESTING is an Inspection and Maintenance program legislated by the Government to meet federal clean air standards The program requires that a vehicle be taken periodically to an Emissions Station for an Emissions Test or Smog Check where the emissions related components and systems are inspected and tested for proper operation Emissions Tests are generally performed once a year or once every two years On OBD 2 systems the I M program is enhanced by requiring vehicles to meet stricter test standards One of the tests instituted by the Federal Government is called I M 240 On 240 the vehicle under test is driv en under different speeds and load conditions on a dynamometer for 240 seconds while the vehicle s emissions are measured Emissions tests vary depending on the geographic or region al area in which the vehicle is regist
42. hen the Scan Tool IS NOT connected to a vehicle turns the Scan Tool On and Off When the Scan Tool is connected to a vehicle links the Scan Tool to the vehicle s PCM to retrieve diagnostic data from the computer s memory To turn the Scan Tool On you must press and hold the POWER LINK button for approximately 3 seconds 4 ENTER LIVE DATA button When in MENU mode confirms the selected option or value When linked to a vehicle places the Scan Tool in Live Data mode OBD2 11 Scan Tool Controls DISPLAY FUNCTIONS 5 DOWN button When in MENU mode scrolls DOWN through the menu and submenu selection options When LINKED to a vehicle scrolls DOWN through the current display screen to display any addi tional data 6 UP button When in MENU mode scrolls UP through the menu and submenu selection options When LINKED to a vehicle scrolls UP through the current display screen to display any additional data 7 GREEN LED Indicates that all engine systems are running nor mally all Monitors on the vehicle are active and performing their diag nostic testing and no DTCs are present 8 YELLOW LED Indicates there is a possible problem A Pending DTC is present and or some of the vehicle s emission monitors have not run their diagnostic testing 9 RED LED Indicates there is a problem one or more of the vehi cle s systems The red LED is also used to show that DTC s are pres ent DTC
43. ified by the designation 1 or S1 a sensor located downstream of the Catalytic Converter is identified as 2 or S2 For example 02512 O2SB1S2 is the designation for the down stream O2 sensor for cylinder bank 1 The Scan Tool does not perform O2 sensor tests but retrieves results from the most recently performed O2 sensor tests from the on board computer s memory You may retrieve O2 sensor test results for only one test of one sensor at any given time 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight O2 Sensor Test then press the ENTER LD button m The Select Sensor screen displays The screen shows all O2 sensors applicable to the vehicle under test If O2 sensor tests are not sup ported by the vehicle under test an advisory message shows on the Scan Tool s display Press the ENTER LD button to return to Live Data mode 2 Use the UP and DOWN but tons as necessary to highlight the O2 sensor for which you wish to view test results then press the ENTER LD button 3 A One moment please message displays while the request is sent to the vehicle s on board computer 4 When test results have been retrieved data for the selected sensor test will show on the Scan Tool s display 5 When you have finished viewing the retrieved test data scroll to the end of the display to select Exit then press the ENTER LD button t
44. lfunction Indicator Lamp MIL The MIL icon is visible only when a DTC has commanded the MIL on the vehicle s dashboard to light 13 Scan Tool Controls DISPLAY FUNCTIONS 13 14 15 16 14 Code Number Sequence The Scan Tool assigns a sequence number to each DTC that is present in the computer s memory starting with 01 This number indicates which code is currently displayed Code number 01 is always the highest priority code and the one for which Freeze Frame data has been stored If 01 is a Pending code there may or may not be Freeze Frame data stored in memory Code Enumerator Indicates the total number of codes retrieved from the vehicle s computer Generic DTC icon When visible indicates that the currently displayed DTC is a generic or universal code M Manufacturer Specific DTC icon When visible indicates that the currently displayed DTC is a Manufacturer Specific Code OBD2 Onboard Diagnostics DIAGNOSTIC TROUBLE CODES DTCs DIAGNOSTIC TROUBLE CODES DTCs Diagnostic Trouble Codes DTCs are meant to guide you to the proper serv Diagnostic Trouble ice procedure in the vehicle s service Codes DTCs are manual DO NOT replace parts based codes that identify a only on DTCs without first consulting specific problem area the vehicle s service manual for prop er testing procedures for that particular system circuit or component DTCs a
45. licable vehicles monitor and test operation of the oxygen O2 sensors to identify problems that can affect fuel efficiency and vehicle emissions These tests are performed automatically when engine operating conditions are within predefined limits Results of these tests are stored in the on board computer s memory The O2 Sensor Test function lets you retrieve and view O2 sensor monitor test results for the most recently completed tests from your vehicle s on board computer Vehicles are equipped with multiple O2 sensors O2 sensors are installed both upstream of before and downstream of after the exhaust system Catalytic Converters The name of an O2 sensor iden tifies its location in the exhaust system The name of each O2 sensor is made up of three parts O2S XX YY O28 X Y m O2S this is the basic designation for all O2 sensors 44 OBD2 Additional Tests O2 SENSOR TEST m X or XX These characters identify the location of the O2 sensor in relation to a cylinder bank An O2 sensor for cylinder bank 1 is iden tified by the designation 1 or B1 a sensor for cylinder bank 2 is identified as 2 or B2 Bank One indicates the side of the engine where cylinder number one is located V type engines Bank Two is oppo site of Bank One m YorYY These characters identity the location of the O2 sensor in rela tion to the exhaust system catalyst An O2 sensor located upstream of the catalyst is ident
46. n occurred is also saved in the vehi cle s computer memory The record saved is called Freeze Frame data Saved engine conditions include but are not limited to engine speed open or closed loop operation fuel system commands coolant temperature calculated load value fuel pressure vehi cle speed air flow rate and intake manifold pressure 26 OBD2 Using the Scan Tool ERASING DIAGNOSTIC TROUBLE CODES DTCs If more than one malfunction is present that causes more than one DTC to be set only the code with the highest pri ority will contain Freeze Frame data The code designated 01 on the Scan Tool display is referred to as the PRIORITY code and Freeze Frame data always refers to this code The priority code is also the one that has com manded the MIL on Retrieved information can be uploaded to a Personal Computer PC with the use of an optional PC Link Kit see instructions included with PC Link program for more information 11 Determine engine system s condition by viewing the Scan Tool s display for any retrieved Diagnostic Trouble Codes code defini tions Freeze Frame data and Live Data interpreting the green yel low and red LEDs m f DTC s were retrieved and you are going to perform the repairs yourself proceed by consulting the Vehicle s Service Repair Manual for testing instructions testing procedures and flow charts related to retrieved code s m f you plan to take the v
47. o return to the Select Test screen OBD2 45 Additional Tests NON CONTINUOUS TEST NON CONTINUOUS TEST The Non Continuous Test function retrieves and displays test results for emission related powertrain components and systems that are not continuously monitored The tests available are determined by the vehicle manufacturer The Scan Tool does not perform non continuous test but retrieves results from the most recently performed tests from the on board computer s memory You may retrieve non con tinuous test results for only one test at any given time 1 From the Mode Selection Menu use the UP and DOWN buttons as necessary to highlight Non Continuous Test then press the ENTER LD button m The Select Test screen displays The screen shows all tests applicable to the vehicle under test Refer to the vehicle s service repair manual for infor mation related to non continuous tests If non continuous tests are not supported by the vehicle under test an advisory message shows on the Scan Tool s display Press the ENTER LD button to return to the Mode Selection menu 2 Use the UP and DOWN but tons as necessary to highlight the desired test then press the ENTER LD button A One moment please message diplays while the request is sent to the vehicle s on board computer 4 When test results have been retrieved data for the selected test will show on
48. of an on board computer and related sensors switches and actuators used to ensure peak performance and fuel efficiency while reducing pollutants in the vehicle s emissions DIY Do It Yourself DLC Data Link Connector Drive Cycle An extended set of driving procedures that takes into consideration the various types of driving conditions encountered in real life Driving Condition A specific environmental or operation condition under which a vehicle is operated such as starting the vehicle when cold driving at steady speed cruising accelerating etc DTC s Diagnostic Trouble Code s EGR Exhaust Gas Recirculation EPA Environmental Protection Agency EVAP Evaporative Emissions System Fault Code See DTCs Freeze Frame A digital representation of engine and or emissions system conditions present when a fault code was recorded FTP Fuel Tank Pressure Generic Code A DTC that applies to all OBD 2 compliant vehicles 1 Readiness An indication of whether or not a vehicle s emissions related system are operating properly and are ready for Inspection and Maintenance testing I M Test Emissions Test Smog Check A functional test of a vehi cle to determine if tailpipe emissions are within Federal State Local requirements LCD Liquid Crystal Display LED Light Emitting Diode LTFT Long Term Fuel Trim is a program in the vehicle s computer designed to add or subtract fuel from the v
49. on as necessary to highlight the desired display language 3 When the desired display language is highlighted press the ENTER LD button to save your changes and return to the MENU OBD2 9 About the Scan Tool ADJUSTMENTS AND SETTINGS Setting the Unit of Measurement 1 Use the UP and DOWN but tons as necessary to highlight Unit of Measurement in the MENU then press the ENTER LD button 2 Press the UP or DOWN button as necessary to highlight the desired Unit of Measurement 3 When the desired Unit of Measurement value is selected press the ENTER LD button to save your changes Exiting the MENU Mode 1 Use the UP and DOWN buttons as necessary to highlight Menu Exit in the MENU then press the ENTER LD button m The display returns to the DTC screen if data is currently stored in the Scan Tool or to the To Link message if no data is cur rently stored in the Scan Tool 10 OBD2 Scan Tool Controls CONTROLS AND INDICATORS CONTROLS AND INDICATORS Figure 1 Controls and Indicators See Figure 1 for the locations of items 1 through 11 below 1 ERASE button Erases Diagnostic Trouble Codes DTCs and Freeze Frame data from your vehicle s computer and resets Monitor status 2 DTC SCROLL button Displays the DTC View screen and or scrolls the display to view DTCs when more than one DTC is present 3 POWER LINK button W
50. or 2 Equivalence Ratio X XXX Bank 2 Sensor 3 Equivalence Ratio X XXX Bank 2 Sensor 4 Equivalence Ratio XXXX XX Evap System Vapor Pressure XX XXX Fuel Rail Pressure relative to XXX X Vacuum XXX X Fuel Level Input XXX XX X Fuel Rail Pressure XXXXX Fuel Rail Pressure XXXX X Absolute Load Value XXX XX Air Flow Rate from Mass Air XXXX X Flow Sensor XXX XX X Intake Manifold Absolute Pressure 51 Generic Global OBD2 PID List Tool Displa Value PID Description MIL On Time XXXX XX Engine Run Time while MIL ON Monitor Status EJ ICONS on Monitor Status this Driving Cycle Displa 028 Location 02811 Oxygen Sensor Bank 1 Sensor 1 O2S Location 02512 Oxygen Sensor Bank 1 Sensor 2 02S Location 02513 Oxygen Sensor Bank 1 Sensor 3 O2S Location 02814 Oxygen Sensor Bank 1 Sensor 4 028 Location 02821 Oxygen Sensor Bank 2 Sensor 1 028 Location 02822 Oxygen Sensor Bank 2 Sensor 1 O2S Location 02823 Oxygen Sensor Bank 2 Sensor 3 O2S Location 02824 Oxygen Sensor Bank 2 Sensor 4 O28 Location 2511 Oxygen Sensor Bank 1 Sensor 1 52 OBD2 Generic Global OBD2 PID List Value PID Description 2812 2821 2822 2831 Tool Displa 025 Location 025 Location 025 Location 025 Location 025 Location 025 Location 025 Location OBD Support OBD Support OBD Support 2532 2541 OBD OBD and OBD Requirem
51. or or Monitors If the vehicle needs to be driven in order to perform a Trip Drive Cycle ALWAYS have a second person help you One person should drive the vehicle while the other per son observes the Monitor icons on the Scan Tool for Monitor RUN status Trying to drive and observe the Scan Tool at the same time is dangerous and could cause a serious traffic accident OBD2 33 Using the Scan Tool I M READINESS TESTING 4 When a Monitor s Trip Drive Cycle is performed properly the Monitor icon on the Scan Tool s display changes from flashing to solid indicating that the Monitor has run and finished its diagnos tic testing m f after the Monitor has run the MIL on the vehicle s dash is not lit and no stored or pending codes associated with that particu lar Monitor are present in the vehicle s computer the repair was successful m f after the Monitor has the MIL on the vehicle s dash lights and or a DTC associated with that Monitor is present in the vehi cle s computer the repair was unsuccessful Refer to the vehi cle s service manual and recheck repair procedures 34 OBD2 Live Data Mode VIEWING LIVE DATA The OBD2 Scan Tool is a special diagnostic tool that communicates with the vehicle s computer The Scan Tool lets you view and or cap ture record real time Live Data This information includes values volts rom temperature speed etc and system status information open loop
52. ors to a not run flashing condition To set all of the Monitors to a DONE status an OBD 2 Drive Cycle must be performed Refer to your vehicle s service manual for information on how to perform an OBD 2 Drive Cycle for the vehicle under test Se The Scan Tool must be connected to the vehicles DLC to erase the codes from the computer s memo ry If you press the ERASE button when the Scan Tool is not connected to the vehicle s DLC the erase instruction screen dis plays 1 If not connected already connect the Scan Tool to the vehicle s DLC and turn the ignition If the Scan Tool is already connected and linked to the vehicle s computer proceed directly to step 4 If not continue to step 2 2 Turn the ignition on DO NOT start the engine Press and release the POWER LINK button to establish communication with the vehicle s com puter 3 Press and release the ERASE but ton A confirmation message shows on the display f you are sure you want to proceed press the ERASE button again to erase DTCs from the vehicle s com puter f you do not want to continue with the erase process press the POWER LINK button to exit the erase mode 4 If you chose to erase DTCs a progress screen displays while the erase function is in progress m f the erase was successful a confir mation message shows on the dis play Press the DTC SCROLL button to return to the DTC screen 28 OBD2 Using t
53. ot connected to a vehicle press the DTC SCROLL button OBD2 43 Additional Tests O2 SENSOR TEST In addition to retrieving Diagnostic Trouble Code DTC and viewing Live Data you can use the Scan Tool to perform additional diagnostic tests and to view diagnostic and vehicle information stored in your vehicle s on board computer Additional tests are accessed through the Mode Selection Menu To access the Mode Selection Menu place the Scan Tool in Live Data mode see Viewing Live Data on page 35 for details then press and hold the ENTER LD button until the Mode Selection Menu appears The following functions are available from the Mode Selection Menu m Live Data Menu Displays the Live Data Menu from which you can choose to record customize and play back Live Data see the Live Data Mode section beginning on page 35 for more informa tion O2 Sensor Test Retrieves and displays O2 sensor monitor test results from your vehicle s on board computer m Non Continuous Test Retrieves and displays test results for emission related powertrain components and systems that are not continuously monitored m System Test Performs a leak test for the vehicle s EVAP system m Vehicle Information Retrieves the vehicle s VIN number calibra tion ID s and other related information and lets you view a listing of available modules for the vehicle O2 SENSOR TEST OBD2 regulations require that app
54. rds approximately 20 frames of Live Data after the DTC sets m Middle records approximately 10 frames of Live Data before and 10 frames after the DTC sets m End records approximately 20 frames of Live Data before the DTC sets 6 Use the UP and DOWN but tons as necessary to select the desired trigger point then press the ENTER LD button 38 OBD2 Live Data Mode 9 Record RECORDING CAPTURING LIVE DATA m moment please message shows on the display When the Scan Tool is ready to record Live Data the Record Live Data screen displays Put the engine in the operating condition that causes the DTC to set m f necessary drive the vehicle until you reach the vehicle speed at which the problem occurs When the Scan Tool detects a fault that causes a DTC to set it automatically records and saves approximately 20 frames of Live Data information in its memory according to your trigger selection for each PID supported by the vehicle m All three LEDs will blink for three sec onds to indicate that Live Data is being recorded and a One moment please message shows on the dis play m When recording is complete a confir mation screen displays asking if you would like to view the recorded data Use the UP 2 and DOWN but tons as necessary to select Yes or No as desired then press the ENTER LD button If Yes is selected the Scan Tool enter
55. re alphanumeric codes that are used to identify a problem that is present in any of the systems that are mon itored by the on board computer PCM Each trouble code has an assigned message that identifies the circuit compo nent or system area where the problem was found OBD 2 diagnostic trouble codes are made up of five charac ters m The 1st character is a letter It identifies the main system where the fault occurred Body Chassis Powertrain or Network m The 2nd character is a numeric digit It identifies the type of code Generic or Manufacturer Specific Generic DTCs are codes that are used by all vehicle manu CY facturers The standards for generic DTCs as well as their definitions are set by the Society of Automotive Engineers SAE Manufacturer Specific DTCs are codes that are controlled by the vehicle manufacturers The Federal Government does not require vehicle manufacturers to go beyond the stan dardized generic DTCs in order to comply with the new OBD2 emissions standards However manufacturers are free to expand beyond the standardized codes to make their sys tems easier to diagnose m The 3rd character is a numeric digit It identifies the specific sys tem or sub system where the problem is located m The 4th and 5th characters are numeric digits They identify the section of the system that is malfunctioning OBD2 15 Onboard Diagnostics DIAGNOSTIC TROUBLE CODES DTCs OBD 2 DTC EX
56. recautions on page 3 for more infor mation 1 Turn the ignition off 2 Locate the vehicle s 16 pin Data Link Connector DLC See page 5 for con nector location Some DLCs have a plastic cover that must be removed before con necting the Scan Tool cable con nector If the Scan Tool is ON turn it OFF by pressing the POWER LINK button BEFORE connecting the Scan Tool to the DLC 3 Connect the Scan Tool cable connector to the vehicle s DLC The cable connector is keyed and will only fit one way m f you have problems connecting the cable connector to the DLC rotate the connector 180 and try again f you still have problems check the DLC on the vehicle and on the Scan Tool Refer to your vehicle s service manual to properly check the vehicle s DLC 4 When the Scan Tool s cable connector is properly connected to the vehicle s DLC the unit automatically turns ON and the display shows instructions for linking to the vehicle s on board computer 22 OBD2 Using the Scan Tool CODE RETRIEVAL PROCEDURE m f the unit does not power on automatically when connected to the vehicle s DLC connector it usually indicates there is no power present at the vehicle s DLC connector Check your fuse panel and replace any burned out fuses m f replacing the fuse s does not correct the problem consult your vehicle s repair manual to identify the proper computer PCM fuse circuit and perform any necess
57. reen at one time If additional PID data is available a small arrow will be shown on the display Use the UP and DOWN buttons as neces sary to scroll up or down to view all available PID data m When viewing recorded Live Data look for any irregularities in any of the PID values signal information LTFT 96 RPM MAP TEMP etc If any PIDs are not within specification or irregular ities are detected follow the procedures in the vehicle s service repair manual to perform additional troubleshooting and repair When recorded Live Data is played back all available PIDs are shown even if you have customized the Live Data selections If there is no Live Data currently stored in the Scan Tool s memory an advisory message shows on the display Press the DTC SCROLL button to exit the Live Data Playback mode 42 OBD2 Live Data Mode LIVE DATA PLAYBACK 3 When you have viewed all PID information for the current frame of Live Data use the DOWN button to scroll to the end of the PID list Highlight Next Frame or Previous Frame as desired then press the ENTER LD button 4 When you have finished viewing the recorded Live Data exit the Live Data Playback mode using the appropriate procedure shown below m If the Code Reader is connected to a vehicle use the DOWN button to scroll to the end of the PID list highlight Exit Playback then press the ENTER LD button m f the Code Reader is n
58. rification infor mation OBD2 23 Using the Scan Tool CODE RETRIEVAL PROCEDURE m The Scan Tool will display a code only if codes are present in the vehicle s ooooco U0 20 computer memory If no codes are seers a present a No DTC s are presently stored in the vehicle s computer message is displayed m The Scan Tool is capable of retrieving and storing up to 32 codes in memo ry for immediate or later viewing 8 To read the display Refer to Display Functions on page 12 for a description of display elements visible amp icon indicates that the Scan Tool is being powered through the vehicle s DLC connector A visible icon indicates that the Scan Tool is linked to com municating with the vehicle s computer m The Monitor Status icons indicate the type and number of Monitors the vehicle supports and provides indications of the current status of the vehicle s Monitors A solid Monitor icon indi cates the associated Monitor has run and completed its testing A blinking Monitor icon indicates the associated Monitor has not run and completed its testing m The upper right hand corner of the display shows the number of the code osos HB currently being displayed the total 1 number of codes retrieved the type of code G Generic M Enhanced or Manufacturer specific and whether or not the displayed code commanded the MIL on If the code being displayed is
59. s Playback mode from which you can view a frame by frame playback of recorded Live Data see Live Data Playback on page 42 for details If No is selected the display returns to the Live Data View mode You can exit the Record Live Data Mode at any time by pressing and holding the ENTER LD button until the Mode Selection Menu displays If desired you can transfer the recorded Live Data informa tion to a personal computer using the optional PC LINK pro gram see instructions included with PC Link for more infor mation by Manual Trigger This option lets you select the precise time at which the Live Data recording will occur Record by Manual Trigger can be a very valuable diagnostic tool when troubleshooting intermittent problems that do not meet the requirements for a DTC to set Even though a DTC is not present the intermittent problems will sometimes manifest themselves briefly for a few fractions of a second and or only at certain vehicle speeds or vehicle operating conditions OBD2 39 Live Data Mode RECORDING CAPTURING LIVE DATA 1 With the Scan Tool in Live Data mode see Viewing Live Data on page 35 for details press and hold the ENTER LD button until the Mode Selection Menu appears 2 Use the UP and DOWN but tons as necessary to highlight Live Data Menu then press the ENTER LD button m The Live Data Menu displays 3 Use the UP
60. s are shown on the Scan Tool s display In this case the Multifunction Indicator Check Engine lamp on the vehicle s instru ment panel will light steady on 10 Display Displays settings Menu and submenus test results Scan Tool functions and Monitor status information See DISPLAY FUNCTIONS following for more details 11 CABLE Connects the Scan Tool to the vehicle s Data Link Connector DLC DISPLAY FUNCTIONS 12 ow I M MONITOR oa LI 3 15 0 Proc BB a ee 3 16 Figure 2 Display Functions See Figure 2 for the locations of items 1 through 16 following OBD2 10 11 12 OBD2 Scan Controls DISPLAY FUNCTIONS MONITOR STATUS field Identifies the I M Monitor status area Monitor icons Indicate which Monitors are supported by the vehi cle under test and whether or not the associated Monitor has run its diagnostic testing Monitor status When a Monitor icon is solid it indicates that the associated Monitor has completed its diagnos tic testing When a Monitor icon is flashing it indicates that the vehi cle supports the associated Monitor but the Monitor has not yet run its diagnostic testing amp Vehicle icon Indicates whether or not the Scan Tool is being properly powered through the vehicle s Data Link Connector DLC A visible icon indicates that the Scan Tool is being powered through the vehicle s DLC connector qb
61. s to the original purchaser that this unit is free of defects in materials and workmanship under normal use and maintenance for a period of one 1 year from the date of original pur chase If the unit fails within the one 1 year period it will be repaired or replaced at the Manufacturer s option at no charge when returned prepaid to the Service Center with Proof of Purchase The sales receipt may be used for this purpose Installation labor is not covered under this warranty All replacement parts whether new or remanufac tured assume as their warranty period only the remaining time of this warranty This warranty does not apply to damage caused by improper use acci dent abuse improper voltage service fire flood lightning or other acts of God or if the product was altered or repaired by anyone other than the Manufacturer s Service Center The Manufacturer under no circumstances shall be liable for any con sequential damages for breach of any written warranty of this unit This warranty gives you specific legal rights and you may also have rights which vary from state to state This manual is copyrighted with all rights reserved No portion of this document may be copied or reproduced by any means without the express written permission of the Manufacturer THIS WARRANTY IS NOT TRANSFERABLE For service send via U P S if possible prepaid to Manufacturer Allow 3 4 weeks for serv ice repair SERVICE PROCEDURES
62. sese anda de Papa acr n gl end 44 Non Continuous Test 46 System Test isse cse dome duda rend o Fu osa pieds 47 Vehicle Information 48 GENERIC GLOBAL OBD2 PID LIST 50 GLOSSARY Glossary of Terms and Abbreviations 55 WARRANTY AND SERVICING Limited One Year Warranty 57 Service Procedures 57 Introduction WHAT IS OBD WHAT IS OBD The OBD2 Scan Tool is designed to work on all OBD 2 compliant vehicles All 1996 and newer vehicles cars light trucks and SUVs sold in the United States are OBD 2 compliant One of the most exciting improvements in the automobile industry was the addition of on board diagnostics OBD on vehicles NA 4 or in more basic terms the computer that SERVICE activates the vehicle s CHECK ENGINE light OBD 1 was designed to monitor manu facturer specific systems on vehicles built from 1981 to 1995 Then came the develop ment of OBD 2 which is on all 1996 cars and light trucks sold in the U S Like its predecessor OBD 2 was adopted as part of a government mandate to lower vehicle emissions But what makes OBD 2 unique is its universal application for all late model cars and trucks domestic and import This sophisticated program in the vehicle s main computer system is designed to detect failures in a range of systems
63. sult in personal injury and or damage to your vehicle or test equipment Always read your vehicle s service manual and follow its safety precautions before and during any test or service procedure ALWAYS observe the following general safety precautions When an engine is running it produces carbon monox ide a toxic and poisonous gas To prevent serious injury or death from carbon monoxide poisoning operate the vehicle ONLY in a well ventilated area To protect your eyes from propelled objects as well as hot or caustic liquids always wear approved safety eye protection When an engine is running many parts such as the coolant fan pulleys fan belt etc turn at high speed To avoid serious injury always be aware of moving parts Keep a Safe distance from these parts as well as other potentially moving objects Engine parts become very hot when the engine is run ning To prevent severe burns avoid contact with hot engine parts Before starting an engine for testing or trouble shoot ing make sure the parking brake is engaged Put the transmission in park for automatic transmission or neutral for manual transmission Block the drive wheels with suitable blocks Connecting or disconnecting test equipment when the ignition is ON can damage test equipment and the vehi cle s electronic components Turn the ignition OFF before connecting the Scan Tool to or disconnecting the Scan Tool from the vehicle s Data Link Conne
64. sults if your vehicle is ready for an Emissions Test Smog Check 3 RED LED Indicates there is a problem with one or more of the vehicle s sys ma p tems A vehicle displaying a red LED is VES fo definitely not ready for an Emissions Test Smog Check The red LED is also an indication that there are Diagnostic Trouble Code s present displayed on the Scan Tool s screen Multifunction Indicator Check Engine Lamp on the vehicle s instrument panel will light steady The prob lem that is causing the red LED to light must be repaired before an Emissions Test Smog Check can be performed It is also suggest ed that the vehicle be inspected repaired before driving the vehicle further EMISSION STATUS O If the Red LED was obtained there is a definite problem present in the system s In these cases you have the following options 32 OBD2 Using the Scan Tool I M READINESS TESTING m Repair the vehicle yourself If you are going to perform the repairs yourself proceed by reading the vehicle service manual and following all its procedures and recommendations m Take the vehicle to a professional to have it serviced The prob lem s causing the red LED to light must be repaired before the vehicle is ready for an Emissions Test Smog Check Using the I M Readiness Monitor Status to Confirm a Repair The I M Readiness Monitor Status function can be used after repair of
65. t please message dis plays while the request is sent to the vehicle s on board computer Some vehicle manufacturers do not allow Scan Tools or other external devices to control vehicle systems If the EVAP Leak Test is not supported by the vehicle under test an advisory message shows on the Scan Tool s display Press the ENTER LD button to return to the System Test menu When the EVAP leak test has been initi ated by the vehicle s on board comput er a confirmation message shows on the Scan Tool s display Press the ENTER LD button to return to Live Data mode 47 Additional Tests VEHICLE INFORMATION VEHICLE INFORMATION The Vehicle Information function offers two options for retrieving ref erence information for the vehicle under test Vehicle ID and Available Modules Retrieving Vehicle ID Information The Vehicle ID function is applicable to model year 2000 and newer OBD2 compliant vehicles The Scan Tool can retrieve a list of information provided by the vehi cle manufacturer unique to the vehicle under test from the vehicle s on board computer This information may include W The vehicle s VIN number W The control module identification number m The vehicle s calibration ID s These IDs uniquely identify the soft ware version s for the vehicle s control module s m The Vehicle s Calibration Verification Number s CVNs required by ODB2 regulations CVNs are used to
66. ton to select it a checkmark will show in the checkbox to the right of the PID to confirm your selection Repeat the procedure until only the PIDs you want to display have all been selected m To deselect a currently selected PID highlight the PID then press the ENTER LD button The checkmark will be removed from the checkbox When you are finished making your selection s scroll to the end of the PID list and highlight the word DONE then press the ENTER LD button m The Scan Tool is now in Custom Live Data mode Only the PIDs you selected are shown on the Scan Tools display m To toggle between the Custom Live Data display and the full Live Data display momentarily press the ENTER LD button To exit the Custom Live Data mode press and hold the ENTER LD F button until the Mode Selection Menu displays RECORDING CAPTURING LIVE DATA You can record and save several frames of Live Data information for each PID supported by the vehicle in the Scan Tool s memory Recorded Live Data can serve as valuable information to help you in the troubleshooting of vehicle problems There are two ways that the Scan Tool can record Live Data Record by DTC Trigger Record by Manual Trigger If the POWER LINK button is pressed at any time while in Live Data mode any stored recorded Live Data will be cleared erased from the Code Reader s memory Record by DTC Trigger This function automatically

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