OBDMATE OM510
Contents
1. Board Mon Test gt efeTesToTo fe o Test Vehicle Info Modules Present Unit of Measure 2 Wait a few seconds while the scan tool validates the PID MAP Component Test Reading PID Please Wait e Some vehicles do not allow scan tools to control vehicle systems or components If the vehicle under test does not support the EVAP System Test an advisory message is displayed on the screen Component Test The selected mode is not supported Press any key to con 3 Press any key to return to Diagnostic Menu 26 4 9 Vehicle Info Select Vehicle Info and press ENTER the screen will display the formation such as VIN Vehicle indentification Number CID Calibration ID and CVN Calibration verify number 1 Use UP DOWN scroll button to select Vehicle Info from the Diagnostic Menu and press ENTER Diagnostic Menu On Board Mon Test Component Test Ia Vehicle Info Modules Present Unit of Measure 2 An advisory message comes up to remind you Wait a few seconds or press any key to continue Vehicle Info Turn key on with Engine off Press any key tocon 3 Wait a few seconds while the scan tool reads vehicle information Vehicle Info Reading Info Please Wait 4 Press EXIT button to return Diagnostic Menu 27 4 10 Modules Present 1 Use the UP DOWN scroll button to select Modules Present from the Diagnostic Menu and press ENTER Di2. II regulations set by the SAE require that relevant vehicles monitor and test the oxygen O2 sensors to identify problems related to fuel efficiency and vehicle emissions These tests are not on demand tests and they are done automatically when engine operating conditions are within specified limits These test results are saved in the on board computer s memory The O2 Sensor Test function allows retrieval and viewing of O2 sensor monitor test results for the most recently performed tests from the vehicle s on board computer The O2 Sensor Test function is not supported by vehicles which communicate using a controller area network CAN For O2 Sensor Test results of CAN equipped vehicles see chapter On Board Mon Test 23 1 Use the UP DOWN scroll button to select O2 Sensor Test from Diagnostic Menu and press ENTER DECA Read Codes Erase Codes View Data View Freeze Frame I M Readiness O2 Monitor Test 2 Use the UP DOWN scroll button to select O2 sensor from O2 Sensor Test menu and press ENTER O2 Sensor Test P OP Bank1 Sensor1 O2 Bank1 Sensor2 3 View test results of the selected O2 sensor O2 Bank1 Sensor1 1F Values MOD 11 MEAS 0 38 MIN 0 100 MAX 1 200 4 Press EXIT to return to the previous menu 4 7 On Board Monitor Test The On Board Monitor Test is useful after servicing or after erasing a vehicle s control module memory The On Board Monitor Test for non CAN equipped
3. vehicles retrieves and displays test results for emission related 24 powertrain components and systems that are not continuously monitored The On Board Monitor Test for CAN equipped vehicles retrieves and displays test results for emission related powertrain components and systems that are and are not continuously monitored Test and component IDs are determined by the vehicle manufacturer 1 Use the UP DOWN scroll button to select On Board Mon Test from Diagnostic Menu and press ENTER Diagnostic Menu 4On Board Mon Test Component Test Vehicle Info Modules Present Unit of Measure 2 From On Board Mon Test menu use the UP DOWN scroll button to select a test to view and press ENTER On Board Mon Test latest 01 Data Test 02 Data Test 03 Data Test 10 Data Test 41 Data Test 45 Data 3 View test data on screen Test 05 Data ID 6 MOD 10 MEAS O MAX MIN STS Fail 4 Press EXIT to return to the previous menus 25 4 8 Component Test The test function lets you initiate a leak test for the vehicle s EVAP system The OBD BOOK does not perform the leak test but signals to Vehicle s on board computer to initiate the test Before using the system test function refer to the vehicle s service repair manual to determine the procedures necessary to stop the test 1 Use the UP DOWN scroll button to select Component Test from Diagnostic Menu and press ENTER Diagnostic Menu On
4. English is the default language From the System Setup menu use the UP DOWN scroll button to Language and press ENTER System Setup Ntanguage Contrast Unit of Measure Beep Set Adjust Contrast 1 From the System Setup menu use the UP DOWN scroll button to select Contrast and press ENTER System Setup Language Contrast Unit of Measure Beep Set 2 From the Contrast menu use the UP DOWN scroll button to increase or decrease contrast 12 40 Use or to change 3 Press ENTER to save your settings and return to the previous menu Unit of Measure Metric is the default measurement unit 1 From the System Setup menu use the UP DOWN scroll button to select Unit of Measure and press ENTER System Setup Language Contrast La4Unit of Measure Beep Set 2 From the Unit of Measure menu use the UP DOWN scroll button to select the desired Unit of Measure Unit Of Measure English 3 Press the ENTER button to save your selection and return to the previous menu 13 Beep Set d The default setting is Beep On 1 Form the System Setup menu use the UP DOWN scroll button to select Beep Set and press ENTER System Setup Language Contrast Unit of Measure Beep Set 2 From the Beep Set menu use the UP DOWN scroll button to select Beep ON or Beep OFF Beep Set Beep OFF 3 Press ENTER to save your selection and return to the previous menu 3 6 To
5. OBDMATE OM510 User s Manual Table of Contents 1 Safety Precautions and WarningsS 22 00eee cece eens 2 2 General Information 00 020 e eee ee 3 2 1 On Board Diagnostics OBD Il 02 00205 3 2 2 Diagnostic Trouble Codes DTCs 0220000 20 3 2 3 Location of the Data Link Connector DLC 4 2 4 OBD II Readiness Monitors llle nA 5 2 5 OBD II Monitor Readiness Status 02 20205 6 2 6 OBD II Definitions 000020002 ee 6 3 Using the Scan TOO i i ex x RR eae we EE 8 3 1 Tool Description OBD MATE OM510 llus 8 3 2 Specifications scs iare natanka ea a E ae i ee 9 3 3 Included 322a a a aoa ete adi ia ee E a ees a 49 3 4 Code Lookup 00002 eee 10 3 5 System Set p i c uolumine pande aces uer ed honor RUE E Rad 11 3 6 Tool Information l l lille 14 3 Tool Selt Test act Bh ee SERE EE US cux aE aeai 15 4 OBD II Diagnostics 2 00 0 cc ne 17 4 1 Read Codes inue m saei eek BG eee eee 17 4 2 Erase Codes errre caci encima ae leen 19 4 3 Live Data oss nu ta ss e RR RO Hed wade dada daos diede did 20 4 4 View Freeze Frame 0 000 cee ere 22 4 51 M Readiness 0 rtty tid deia eee 22 4 6 O2 Sensor Test 0 0000 eA 23 4 7 On Board Monitor Test 0 20002 cee eee eee 24 4 8 Component Test 2000 eee 26 4 9 V
6. agnostic Menu On Board Mon Test Component Test Vehicle Info Modules Present Unit of Measure 2 View modules Information with their Ids and communication protocols Modules Present 3 Press EXIT button to return Diagnostic Menu 4 11 Unit Of Measure 1 Use the UP DOWN scroll button to select Unit Of Measure from the Diagnostic Menu and press ENTER Diagnostic Menu On Board Mon Test Component Test Vehicle Info Modules Present Unit of Measure 28 2 Use the UP DOWN scroll button to select the Unit Of Measure for diagnostic test Unit Of Measure English gt MESS 3 Press EXIT button to return Diagnostic Menu 29 5 Warranty and Service 5 1 Limited One Year Warranty THIS WARRANTY IS EXPRESSLY LIMITED TO PERSONS WHO PURCHASE AUTOPHIX PRODUCTS FOR PURPOSES OF RESALE OR USE IN THE ORDINARY COURSE OF THE BUYER S BUSINESS AUTOPHIX electronic product is warranted against defects in materials and workmanship for one year 12 months from date of delivery to the user This warranty does not cover any part that has been abused altered used fora purpose other than for which it was intended or used in a manner inconsistent with instructions regarding use The exclusive remedy for any automotive meter found to be defective is repair or replacement and AUTOPHIX shall not be liable for any consequential or incidental damages Final determination of defects shall be made by AUTOPHIX in ac
7. agnostics laCode Lookup System Setup Tool Information Tool Self test 10 2 From the Code Lookup menu use the LEFT RIGHT button to move to the desired character use the UP DOWN button to change the selected digit character and press the ENTER button to confirm P0518 1 53 Change Digit ENTER Confirm EXIT Exit 3 View the DTC definition on screen When the DTC definition covers more than one screen use the LEFT RIGHT button to view additional information on previous next screen s Formanufacturer specific codes you ll need to select a vehicle make on an additional screen to look for DTC definitions fdefinition could not be found SAE or Manufacturer Specific the scan tool displays DTC definition not found Please refer to vehicle service manual 4 To exit to the Main Menu press the EXIT button 3 5 System Setup The scan tool allows you to make the following adjustments and settings 1 Language Selects the desired language 2 Contrast Adjusts the contrast of the LCD display 3 Unit of Measure Sets the unit of measure to English or Metric 4 Beep Set Turns ON OFF beep System Setup Rtanguage Contrast Unit of Measure Beep Set 11 From the Main Menu Use the UP DOWN scroll button to select System Setup and press the ENTER button Follow the instructions to make adjustments and program settings as described in the following setup options Language Setup
8. al fires nearby Don t connect or disconnect any test equipment while the ignition is on or the engine is running Keep the scan tool dry clean free from oil water or grease Use amild detergent on aclean cloth to clean the outside of the scan tool when Necessary 2 General Information 2 1 On Board Diagnostics OBD II The first generation of On Board Diagnostics called OBD lI was developed by the California Air Resources Board CARB and implemented in 1988 to monitor some of the emission control components on vehicles As technology evolved and the desire to improve the On Board Diagnostic system increased a new generation of On Board Diagnostic system was developed This second generation of On Board Diagnostic regulations is called OBD II The OBD II system is designed to monitor emission control systems and key engine components by performing either continuous or periodic tests of specific components and vehicle conditions When a problem is detected the OBD Il system turns on a warning lamp MIL on the vehicle instrument panel to alert the driver typically by the phrase Check Engine or Service Engine Soon The system will also store important information about the detected malfunction so that a technician can accurately find and fix the problem Here below follow three pieces of such valuable Information 1 Whether the Malfunction Indicator Light MIL is commanded on or Off 2 Which if any Diagnostic Trouble Co
9. alfunction Indicator Light Service Engine Soon Check Engine is a term used for the light on the instrument panel It is to alert the driver and or the repair technician that there is a problem with one or more of vehicle s systems and may cause emissions to exceed federal standards If the MIL illuminates with a steady light it indicates that a problem has been detected and the vehicle should be serviced as soon as possible Under certain conditions the dashboard light will blink or flash This indicates a severe problem and flashing is 6 intended to discourage vehicle operation The vehicle onboard diagnostic system can not turn the MIL off until necessary repairs are completed or the condition no longer exists DTC Diagnostic Trouble Codes DTC these identify which section of the emission control system has malfunctioned Enabling Criteria Also termed Enabling Conditions They are the vehicle specific events of conditions that must occur within the engine before the various monitors will set or run Some monitors require the vehicle to follow a prescribed drive cycle routine as part of the enabling criteria Drive cycles vary among vehicles and for each monitor in any particular vehicle OBD II Drive Cycle A specific mode of vehicle operation that provides conditions required to set all the readiness monitors applicable to the vehicle to the ready condition The purpose of completing an OBD II drive cycle is to force t
10. below are always ready 1 Misfire 2 Fuel System 3 Comprehensive Components CCM Once the vehicle is running the OBD II system is continuously checking the above components monitoring key engine sensors watching for engine misfire and monitoring fuel demands Non Continuous Monitors Unlike the continuous monitors many emissions and engine system components require the vehicle to be operated under specific conditions before the monitor is ready These monitors are termed non continuous monitors and are listed below EGR System exhaust Gas Recirculation for reducing greenhouse gases O2 Sensors monitor and adjust air fuel mixture Catalyst reduces exhaust emissions Evaporative System monitors the integrity of the fuel tank system Secondary air reduces exhaust emissions 2 3 4 5 02 Sensor Heater brings O2 sensor to correct operating temperature 6 7 Heated Catalyst brings catalyst to correct operating temperature 8 AIC system monitors system for freon leaks 2 5 OBD II Monitor Readiness Status OBD II systems must indicate whether or not the vehicle s PCM s monitoring has completed testing on each emission component Components that have been OBD II tested will be reported as OK The purpose of recording readiness status is to allow inspectors to determine if the vehicle s OBDII system has tested all the emissions systems This is handy to know before bringing vehicle to a sta
11. cordance with procedures established by AUTOPHIX No agent employee or representative of AUTOPHIX has any authority to bind AUTOPHIX to any affirmation representation or warranty concerning AUTOPHIX automotive meters except as stated herein 5 2 Service Procedures If you have any questions please contact your local store distributor or visit our website at www autophix com If it becomes necessary to return the scan tool for repair contact your local distributor for more information 30
12. des DTCs are stored 3 Readiness Monitor status 2 2 Diagnostic Trouble Codes DTCs OBD II Diagnostic Trouble Codes are codes that are stored by the on board computer diagnostic system in response to a problem found in the vehicle These codes identify a particular problem area and are intended to provide you with a guide as to where a fault might be occurring within a vehicle OBD II Diagnostic Trouble Codes consist of a five digit alphanumeric code The first character a letter identifies which control system sets the code The other four characters all numbers provide additional information on where the DTC originated and the operating conditions that caused it to be set Below is an example to illustrate the structure of the digits PU Systems Last two digits identify individual B Body component within the system C Chassis P Powertrain U Network Sub systems Code Type 1 Fuel and air metering Generic SAE 2 Fuel and air metering PO 3 Ignition system or engine misfire BO 4 Auxiliary emissions controls CO 5 Vehicle speed control and idle controls UO 6 Computer output circuits Manufacturer Specific 7 Transmission controls P1 P2 B1 B2 C1 C2 U1 U2 Figure 1 2 Explanation of a diagnostic trouble code 2 3 Location of the Data Link Connector DLC The DLC Data Link Connector or Diagnostic Link Connector is the standardized 16 cavity connector where diagno
13. display the interface as shown below View Freeze Frame DTCFRZF P2122 8 FUELSYS1 OL Drive LOAD _ PCT 4 3 G SHRTFT1 RPM min Use the UP DOWN scroll button for more PIDs if an ff or arrow appears on the screen Press EXIT to return to Diagnostic Menu 4 51 M Readiness I M refers to Inspection and Maintenance that is legislated by the Government to meet federal clean air standards I M Readiness indicates whether or not the varous emissions related systems on the vehicle are operating properly and are ready for Inspection and Maintenance testing 22 The purpose of the I M Readiness Monitor Status is to indicate which of the vehicle s Monitors have run and completed their diagnosis and testing as described in 2 5 and which ones have not yet run and completed testing and diagnosis of their designated sections of the vehicle s emissions system The I M Readiness Monitor Status function also can be used after repair of a fault has been performed to confirm that the repair has been performed correctly and or to check for Monitor Run Status Select I M Readiness Test and Press ENTER the screen will display the interface as shown below Since DTCs Cleared Read Codes MIL Status OFF Erase Codes Misfire Monitor View Data Fuel System Mon View Freeze Frame Comp Component LAI M Readiness Catalyst Mon O2 Monitor Test Htd Catalyst Press EXIT return to the Diagnostic Menu 4 6 O2 Sensor Test OBD
14. ehicle Info 0 00020 a ee 27 4 10 Modules Present 0000 00 eee eee 28 4 11 Unit Of Measure 2 2 ee 28 5 Warranty and Service llle eere 30 5 1 Limited One Year Warranty llle 30 5 2 Service ProcedureS 000 cee eee 30 1 Safety Precautions and Warnings To prevent personal injury or damage to vehicles and or the scan tool read this instruction manual first and observe the following safety precautions ata minimum whenever working on a vehicle Always perform automotive testing in a safe environment Do not attempt to operate or observe the tool while driving a vehicle Operating or observing the tool will cause driver distraction and could cause a fatal accident Wear safety eye protection that meets ANSI standards Keep clothing hair hands tools test equipment etc away from all moving or hot engine parts Operate the vehicle in a well ventilated work area Exhaust gases are Poisonous Put blocks in front of the drive wheels and never leave the vehicle unattended while running tests Use extreme caution when working around the ignition coil distributor cap ignition wires and spark plugs These components create hazardous voltages when the engine is running Put the transmission in PARK for automatic transmission or NEUTRAL for manual transmission and make sure the parking brake is engaged Keep a fire extinguisher suitable for gasoline chemical electric
15. enu mode When more than one screen of data is retrieved moves up through the current screen to the previous screens for additional data Update the DTC lib need press this button When Tools connected with PC by Usb cable 5 DOWN SCROLL BUTTON Moves down through menu and submenu items in menu mode When more than one screen of data is retrieved moves down through the current screen to next screens for additional data 6 OBD II CONNECTOR Connects the scan tool to the vehicle s Data Link Connector DLC 3 2 Specifications AUO Na C1 6 Display Backlit 128 x 64 pixel display with contrast adjustment Operating Temperature 0 to 60 C 32 to 140 F Storage Temperature 20 to 70 C 4 to 158 F External Power 8 0 to 18 0 V power provided via vehicle battery Dimensions Length Width Height 125 mm 5 00 70 mm 2 80 22 mm 0 90 NW 0 23kg 0 511b GW 0 32kg 0 741b 3 3 Included 1 2 3 OM510 Scan Tool main unit User s Manual USB update cable Updating the OM 510 a Attach the USB cable b Gotowww obdmate com and click on Downloads c Click on Software Update for OM510 and follow on screen USB update cable attached to the tool 3 4 Code Lookup The Code Lookup function is used to search for definitions of Code stored in the built in Code library 1 From the Main Menu use the UP DOWN scroll button to select the Code Lookup and press the ENTER button Di
16. he vehicle to run its onboard diagnostics Some form of a drive cycle needs to be performed after DTCs have been erased from the PCM s memory or after the battery has been disconnected Running through a vehicle s complete drive cycle will set the readiness monitors so that future faults can be detected Drive cycles vary depending on the vehicle and the monitor that needs to be reset For vehicle specific drive cycle consult the vehicle s Owner s Manual Freeze Frame Data When an emissions related fault occurs the OBD II system not only sets a code but also records a snapshot of the vehicle operating parameters to help in identifying the problem This set of values is referred to as Freeze Frame Date and may include important engine parameters such as engine RPM vehicle speed air flow engine load fuel pressure fuel trim value engine coolant temperature ignition timing advance or closed loop status 3 Using the Scan Tool 3 1 Tool Description OBDMATE OM 510 ps Codes ive Data View Freeze Frame I M Readiness OZ Monitor Test 1 LCD DISPLAY Indicates test results Backlit 128 x 64 pixel display with contrast adjustment 2 ENTER BUTTON Confirms a selection or action from a menu 3 EXIT BUTTON Cancels a selection or action from a menu or returns to the menu It is also used to setup system exit DTC Lookup screen Rome Cegeses seer ee ee 4 UP SCROLL BUTTON Moves up through menu and submenu items in m
17. ing properly Keyboard Test Press any key to start test Key Double EXIT to return 3 Double press the EXIT to return to the previous menu 16 4 OBD II Diagnostics CAUTION Don t connect or disconnect any test equipment with ignition on or engine running 1 Turn the ignition off 2 Locate the vehicle s 16 pin Data Link Connector DLC 3 Plug the scan tool cable connector into the vehicle s DLC 4 Turn the ignition on Engine can be off or running 5 Press ENTER to enter Main Menu Use the UP DOWN scroll button to select Diagnostics from the menu o NDiagnostics Code Lookup System Setup Tool Info Tool Self test 6 Press ENTER to confirm A sequence of messages displaying the OBD II protocols will be observed on the display until the vehicle protocol is detected Ifthe scan tool fails to communicate with the vehicle s ECU Engine Control Unit a LINKING ERROR message shows up on the display Verify that the ignition is ON Check if the scan tool s OBD II connector is securely connected to the vehicle s DLC Verify that the vehicle is OBD II compliant Turn the ignition off and wait for about 10 seconds Turn the ignition back to on and repeat the procedure from step 5 4 1 Read Codes Stored codes are also known as hard codes or permanent codes These codes cause the control module to illuminate the malfunction indicator lamp MIL when an emission related fault
18. ny key to con Ifthe codes are not cleared then an Erase Failure Turn Key on with Engine off message is displayed Erase codes Erase Failure Turn Key on With Engine off Press any key to con 4 3 Live Data The OBD II Scan Tool is a special diagnostic tool that communicates with the vehicle s computer The Scan Tool lets you view real time Live Data This information includes values volts rpm temperature speed etc and system status information open loop closed loop fuel system status etc generated by the various vehicle sensors switches and actuators 20 Press ENTER 2 To view live PIDs on the screen Use the UP DOWN scroll button for more PIDsifan or arrow appears on the screen mm DTC_CNT 27 FUELSYS1 OL Drive LOAD _PCT 4 3 SHRTFT1 0 0 RPM min 891 4 f you want changeunit of measure Press ENTER to change DTC CNT 27 FUELSYS1 OL Drive LOAD PCT 4 3 SHRTFT1 0 0 RPM min 891 amp 3 Press EXIT to return to Diagnostic Menu 21 4 4 View Freeze Frame When an emission related fault occurs certain vehicle conditions are recorded by the on board computer This information is referred to as freeze frame data View Freeze Data is a snapshot of the operating conditions at the time of an emission related fault if DTCs were erased View Freeze Data may not be stored in vehicle memory depending on vehicle Select View Freeze Frame the screen will
19. occurs Pending Codes are also referred to as maturing codes or continuous monitor codes They indicate problems that the control module has detected during the current or last driving cycle but are not considered 17 serious yet Pending Codes will not turn on the malfunction indicator lamp MIL If the fault does not occur within a certain number of warm up cycles the code clears from memory 1 Use the UP DOWN scroll button to select Read Codes from the Diagnostic Menu and press ENTER Diagnostic Menu Piziztzte Codes Erase Codes View Data View Freeze Frame I M Readiness O2 Monitor Test 2 Use the UP DOWN scroll button to select Stored Codes or Pending Codes from the Trouble Codes menu and press ENTER Trouble Codes IgStored Codes Pending Codes Ifthere are no Diagnostic Trouble Codes present the display indicates No pending codes are stored in the module Wait a few seconds or press any key to return to the Diagnostic Menu 3 View DTCs and their definitions on screen P0401 2 9 Generic Exhaust Gas Recirculation Flow Insufficient Detected Thecontrol module number sequence of the DTCs total number of codes detected and type of codes Generic of Manufacturer specific will be observed on the upper right hand corner of the display 18 4 If more than one DTC is found use the UP DOWN scroll button as necessary until all the codes have been viewed Ifretrieved DTCs c
20. ol Information Tool Information allows viewing of some important information such as serial number and software version number of the scanner 1 From the Main Menu scroll to select Tool Info and press ENTER Diagnostics Code Lookup System Setup IaTool Information Tool Self test 14 2 View tool information on screen Tool Information S W Ver V1 00 H W Ver V1 30 LIB Ver V2 00 3 7 Tool Self test Tool Self test The Self test checks if the display and keyboard are working properly A Display test The Display Test function checks if the LCD display is working properly 1 From the System Setup menu use the UP DOWN scroll button to select Tool Self test and press ENTER Diagnostics Code Lookup System Setup Tool Information PUSSBEISIBCR 2 Select Display Test from the Tool Self test menu and press ENTER Tool Self test EIETIEVACES Keyboard Test 15 3 Press ENTER again to start test Look for missing spots in the solid black characters 4 When completed press EXIT to return B Keyboard Test The Keyboard Test function verifies if the keys are functioning properly 1 Use the UP DOWN scroll button to select the Keyboard Test from the Tool Self test menu and then press ENTER Tool Self test Display Test akKeyboard Test 2 Press any key to start the test When you press a key the key name is observed on the display If not then key is not function
21. ontain any manufacturer specific or enhanced codes a Manufacturer specific codes are found Press any key to select vehicle make message comes up prompting you to select vehicle manufacturer to view DTC definitions Use the UP DOWN scroll button to select manufacturer and then press ENTER to confirm Select Manufacturer 16 51 FIAT Ford GM Honda Hyundai Isuzu Ifthe manufacturer for your vehicle is not listed use the UP DOWN scroll button to select Other and press ENTER 4 2 Erase Codes Notes This function is performed with key on engine off Do not start the engine Before performing this function make sure to retrieve and record the trouble codes After clearing you should retrieve trouble codes once more or turn ignition on and retrieve codes again If there is still some trouble codes for hard troubles please find the reason caused the trouble code firstly and then solve the problem Now the trouble codes can be erased 1 Use the UP DOWN scroll buttons to select Erase Codes from the Diagnostic Menu and press ENTER Diagnostic Menu Read Codes View Data View Freeze Frame I M Readiness O2 Monitor Test 19 2 Awarning message comes up asking for your confirmation Erase codes Erase trouble codes Are you sure 3 Press ENTER to confirm Ifthe codes are cleared successfully an Erase Done confirmation message is displayed Erase codes Erase Done Press a
22. stic scan tools interface with the vehicle s on board computer The DLC is usually located 12 inches from the center of the instrument panel dash under or around the driver s side for most vehicles If the Data Link Connector is not located under the dashboard a label should be there revealing its location For some Asian and European vehicles the DLC is located behind the ashtray and the ashtray must be removed to access the connector If the DLC cannot be found refer to the vehicle s service manual for the location Figure 1 3 The DLC connector left can be found in the area of the car interior seen at right black arrow 2 4 OBD II Readiness Monitors Readiness Monitors are indicators used to find out if all of the emissions components have been evaluated by the OBD II system They are running periodic tests on specific systems and components to ensure that they are performing within allowable limits currently there are eleven OBD II Readiness Monitors or I M Monitors defined by the U S Environmental Protection Agency EPA Not all monitors are supported by all vehicles and the exact number of monitors in any vehicle depends on the motor vehicle manufacturer s emissions control strategy Comtinuous Monitors Some ofthe vehicle components or systems are continuously tested by the vehicle s OBD II system while others are tested only under specific vehicle operating conditions The continuously monitored components listed
23. te emissions testing facility The powertrain control module PCM sets a monitor to OK after an appropriate drive cycle has been performed The drive cycle that enables a Monitor and sets readiness codes to OK varies for each individual monitor Oncce a monitor is set as OK it will remain in this state A number of factors including erasing of diagnostic trouble codes DTCs with a code reader or a disconnected battery can result in Readiness Monitors being set to INC incomplete Since the three continuous monitors are constantly evaluating they will be reported as OK all of the time As long as there are no DTCs stored in memory the vehicle is running in accordance with the OBD II guidelines If testing of a particular supportes non continuous monitor has not been completed or not tested the monitor status will be reported as INC incomplete In order for the OBD monitor system to become ready the vehicle should be driven under a variety of normal operating conditions These operating conditions may include a mix of highway driving and stop and go city type driving and atleast one overnight off period For specific information on getting your vehicle s OBD monitor system ready please consult your vehicle owner s manual 2 6 OBD II Definitions Powertrain Control Module PCM the OBD II terminology for the on board computer that controls the engine and the drive train Malfunction Indicator Light MIL M
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