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ON-BOARD DIAGNOSTIC [L3 WITH TC] 01-02–63 01-02 DTC P0116[L3 WITH TC] id010239803900 Diagnostic procedure DTC P0116 ECT circuit range/performance problem DETECTION CONDITION • The PCM monitors the maximum value and minimum value of engine coolant temperature when the engine is started and5 min have been passed after leaving the vehicle 6 h or more. If the difference between the °C {10.8 °F}, the PCM determines that there is an ECT circuit range/performance problem. Diagnostic support note • This is a continuous monitor (CCM). • The MIL illuminates if the PCM detects the above malfunction condition during first drive cycle. • FREEZE FRAME DATA is available. • DTCs are stored in the PCM memory. POSSIBLE CAUSE • ECT sensor malfunction • Connector or terminal malfunction • PCM malfunction STEP INSPECTION ACTION 1 VERIFY FREEZE FRAME DATA HAS BEEN • Has the FREEZE FRAME DATA been recorded? Yes Go to ne, then go 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 ECT SENSOR CONNECTOR FOR • Turn the ignition switch off. • Disconnect the ECT sensor connector. • Inspect for poor connection (damaged, pulled- out pins, corrosion, etc.). • Is there any malfunction? Yes Repair or replace the terminal, then go to Step 6. No Go to the next step. 3 3 5 ECT SENSOR A B 2AH 2AY PCM PCM WIRING HARNESS-SIDE CONNECTOR ECT SENSOR WIRING HARNESS-SIDE CONNECTOR A B 4 5 2BE 2BA 2AW 2AS 2AO 2AK 2AG 2AC 2Y 2U 2Q 2M 2E 2A 2I 2BH 2BD 2AZ 2AV 2AR 2AN 2AJ 2AF 2AB 2X 2T 2P 2H 2D 2L 2BG 2BC 2AY 2AU 2AQ 2AM 2AI 2AE 2AA 2W 2S 2O 2G 2C 2K 2BF 2BB 2AX 2AT 2AP 2AL 2AH 2AD 2Z 2V 2R 2N 2F 2B 2J 1871-1U-06B(01-02).fm 63 ページ 2006年3月15日 水曜日 午前10時32分 |