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ON-BOARD DIAGNOSTIC [ENGINE CONTROL SYSTEM (FS)] 01–02B–120 Diagnostic procedure DTC P0660 VICS solenoid valve circuit malfunction STEP INSPECTION ACTION 1 VERIFY RELATED REPAIR INFORMATION • Check for related Service Bulletins availability. • Is any related repair information available? Yes Perform repair or diagnosis according to available repair information. • If vehicle is not repaired, go to next step. No Go to next step. 2 CLASSIFY INTERMITTENT CONCERN OR • Start engine. • Increase engine speed above 4,750 rpm. • Is PENDING CODE same DTC present? Yes Go to next step. No Intermittent concern exists. Go to INTERMITTENT 3 CLASSIFY OPEN CIRCUIT OR SHORT TO • Disconnect VICS solenoid valve tube at • Connect vacuum pump to VICS solenoid valve. • Apply vacuum. • Wait for 5 seconds. • Is vacuum maintained? Yes Go to Step 5. No Go to next step. 4 INSPECT PASSAGE CONTROL OF VICS • Turn ignition key to OFF. • Disconnect VICS solenoid valve connector. • Apply vacuum and wait for 5 seconds. • Is vacuum maintained? Yes Repair or replace harness between solenoid valve terminal B and PCM terminal 19 for short to ground, then go to Step No Replace VICS solenoid valve, then go to Step 10. 5 INSPECT VICS SOLENOID VALVE • Turn ignition key to OFF. • Check for poor connection (damaged/pulled- • Is there malfunction? Yes Repair or replace terminal, then go to Step 10. No Go to next step. 6 INSPECT VICS SOLENOID VALVE • Measure resistance between VICS solenoid • Is resistance within 22—26 ohms? Yes Go to next step. No Replace VICS solenoid valve, then go to Step 10. 1712-1U-01G(01-02B).fm 120 ページ 2001年6月29日 金曜日 午後3時24分 |