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ON-BOARD DIAGNOSTIC [L3 WITH TC] 01-02–51 01-02 Diagnostic procedure End Of Sie STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN • Has the FREEZE FRAME DATA been recorded? Yes Go to the next step. No Record FREEZE FRAME DATA on the repair order, then go 2 VERIFY RELATED REPAIR INFORMATION • Check for related Service Bulletins and/or on- line repair information availability. • Is any related repair information available? Yes Perform the repair or diagnosis according to the available • If the vehicle is not repaired, go to the next step. No Go to the next step. 3 INSPECT MAF SENSOR CONNECTOR FOR • Turn the ignition switch off. • Disconnect the MAF/IAT sensor connector. • Inspect for poor connection (such as damaged/ pulled-out pins, corrosion). • Is there any malfunction? Yes Repair or replace terminals, then go to Step 8. No Go to the next step. 4 INSPECT POWER SUPPLY CIRCUIT FOR OPEN • Turn ignition switch to the ON position (Engine off). • Inspect voltage at MAF/IAT sensor terminal A (harness-side). • Is voltage B+? Yes Go to the next step. No Inspect for an open circuit in the wiring harness between 5 INSPECT PCM CONNECTOR FOR POOR • Turn the ignition switch off. • Disconnect the PCM connector. • Inspect for poor connection (such as damaged/ pulled-out pins, corrosion). • Is there any malfunction? Yes Repair terminal, then go to Step 8. No Go to the next step. 6 INSPECT MAF SENSOR SIGNAL CIRCUIT FOR • Remove the PCM with the PCM connector connected. • Inspect for continuity between MAF/IAT sensor terminal C (harness-side) and PCM terminal • Is there continuity? Yes Go to the next step. No Repair or the replace suspected wiring harness, then go to 7 INSPECT MAF SENSOR SIGNAL CIRCUIT FOR • Inspect for continuity between the MAF/IAT sensor terminal C (harness-side) and body • Is there continuity? Yes Repair or replace the suspected wiring harness, then go to No Replace the MAF/IAT sensor, then go to the next step. 8 VERIFY TROUBLESHOOTING OF DTC P0102 • Make sure to reconnect all disconnected connectors. • Turn ignition switch to the ON position (Engine off). • Clear the DTC from the PCM memory using the M-MDS. • Start the engine and warm it up completely. • Is the same DTC present? Yes Replace PCM, then go to the next step. No Go to the next step. 9 VERIFY AFTER REPAIR PROCEDURE • Perform the “After Repair Procedure”. (See01-02-10 AFTER REPAIR • Are any DTCs present? Yes Go to the applicable DTC inspection. No Troubleshooting completed. 1871-1U-06B(01-02).fm 51 ページ 2006年3月15日 水曜日 午前10時32分 |