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ON-BOARD DIAGNOSTIC [L3 WITH TC] 01-02–143 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 FREEZE FRAME DATA and DIAGNOSTIC 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 diagnostic according to the available • If the vehicle is not repaired, then go to the next step. No Go to the next step. 3 CHECK COV CONTROL (EVAP SYSTEM LEAK • Turn ignition switch to the ON position (engine OFF). • Disconnect the EVAP system leak detection pump connector. • Measure the voltage between EVAP system leak detection pump connector terminal C • Is the voltage B+? Yes Repair or replace the wiring harness, then go to Step 5. No Go to the next step. 4 INSPECT COV (EVAP SYSTEM LEAK • Inspect the EVAP system leak detection pump. (See01-16-7 EVAPORATIVE EMISSION • Is the COV (EVAP system leak detection pump) normal? Yes Go to the next step. No Replace the EVAP system leak detection pump, then go to DTC P0446 Change over valve (COV) (EVAP system leak detection pump) stuck close EVAP SYSTEM LEAK DETECTION PUMP EVAP SYSTEM LEAK PCM PCM WIRING HARNESS-SIDE CONNECTOR A B C D 1BE 1BA 1AW 1AS 1AO 1AK 1AG 1AC 1Y 1U 1Q 1M 1E 1A 1I 1BH 1BD 1AZ 1AV 1AR 1AN 1AJ 1AF 1AB 1X 1T 1P 1H 1D 1L 1BG 1BC 1AY 1AU 1AQ 1AM 1AI 1AE 1AA 1W 1S 1O 1G 1C 1K 1BF 1BB 1AX 1AT 1AP 1AL 1AH 1AD 1Z 1V 1R 1N 1F 1B 1J 1V 1AS C D M B A MAIN RELAY 3 4 1871-1U-06B(01-02).fm 143 ページ 2006年3月15日 水曜日 午前10時32分 |