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ON-BOARD DIAGNOSTIC [L3 WITH TC] 01-02–195 01-02 Diagnostic procedure STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA AND • Have the FREEZE FRAME DATA and DIAGNOSTIC MONITORING TEST RESULTS Yes Go to the next step. No Record the FREEZE FRAME DATA and DIAGNOSTIC 2 VERIFY REPAIR INFORMATION AVAILABILITY • Verify related service repair information availability. • Is any related repair information available? Yes Perform the repair or diagnosis according to the available No Go to the next step. 3 VERIFY RELATED PENDING CODE OR • Turn the ignition switch off, then to the ON position (Engine off). • Verify the related PENDING CODE or stored DTCs. • Is the DTC P2178 or P2188 also present? Yes Go to the applicable DTC inspection. No Go to the next step. 4 IDENTIFY TRIGGER DTC FOR FREEZE FRAME • Is DTC P2097 on FREEZE FRAME DATA? Yes Go to the next step. No Go to FREEZE FRAME DATA DTC inspection. 5 VERIFY CURRENT INPUT SIGNAL STATUS OF • Connect the M-MDS to the DLC-2. • Start the engine and warm it up completely. • Access the O2S12 PID. • Read the O2S12 PID under following accelerator pedal condition (in NEUTRAL). suddenly depressed (rich condition). — Less than 0.45 V just after release of accelerator pedal (lean condition) • Is the PID normal? Yes Go to the next step. No Visually inspect for the exhaust gas leakage between TWC • If there is no leakage, replace rear HO2S. (See01-15-2 EXHAUST SYSTEM REMOVAL/ Then go to Step 15. 6 VERIFY CURRENT INPUT SIGNAL STATUS • Connect the M-MDS to the DLC-2. • Verify the following PIDs: (See01-40-6 PCM INSPECTION[L3 WITH — ECT — MAF — TP — VSS • Are the PIDs normal? Yes Go to the next step. No Inspect the malfunctioning part according to the inspection 7 VERIFY CURRENT INPUT SIGNAL STATUS • Connect the M-MDS to the DLC-2. • Verify the following PIDs under FREEZE FRAME DATA condition. — MAF — TP — VSS • Are the PIDs normal? Yes Go to the next step. No Inspect the malfunctioning part according to the inspection 1871-1U-06B(01-02).fm 195 ページ 2006年3月15日 水曜日 午前10時32分 |