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TM-218 < DTC/CIRCUIT DIAGNOSIS > [4AT: RE4F03C] OVERDRIVE CONTROL SWITCH OVERDRIVE CONTROL SWITCH Component Function Check INFOID:0000000009268004 1. CHECK O/D INDICATOR LAMP FUNCTION Check O/D OFF indicator lamp turns ON for approx. 2 seconds when ignition switch turns ON. YES >> GO TO 2. NO >> Go to 2. CHECK O/D SWITCH FUNCTION 1. Shift the selector lever to “D” position. 2. Check that O/D OFF indicator lamp turns ON/OFF when sport mode switch is operated. YES >> INSPECTION END NO >> Go to Diagnosis Procedure INFOID:0000000009268005 1. CHECK OVERDRIVE CONTROL SWITCH CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect A/T shift selector connector. 3. Turn ignition switch ON. 4. Check the voltage between A/T shift selector harness connector terminals. Is the inspection result normal? YES >> GO TO 2. NO >> GO TO 3. 2. CHECK OVERDRIVE CONTROL SWITCH Check overdrive control switch. Refer to TM-219, "Component Inspection (Overdrive Control Switch)" Is the inspection result normal? YES >> Check intermittent incident. Refer to GI-45, "Intermittent Incident" . NO >> Repair or replace the malfunctioning parts. 3. CHECK GROUND CIRCUIT Check the continuity between A/T shift selector harness connector terminal and ground. Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace the malfunctioning parts. 4. CHECK CIRCUIT BETWEEN COMBINATION METER AND A/T SHIFT SELECTOR (PART 1) 1. Turn ignition switch OFF. 2. Disconnect combination meter connector. 3. Check the continuity between combination meter harness connector terminal and A/T shift selector har- ness connector terminal. A/T shift selector harness connector Voltage Connector Terminal M38 1 2 Approx. 5 V A/T shift selector harness connector Ground Continuity Connector Terminal M38 2 Ground Existed |