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PWC-96 < DTC/CIRCUIT DIAGNOSIS > [LH & RH FRONT AUTO UP/DOWN] POWER SUPPLY AND GROUND CIRCUIT POWER WINDOW MAIN SWITCH : Component Function Check INFOID:0000000009176201 Main Power Window And Door Lock/unlock Switch 1. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH FUNCTION Check power window motor operation with main power window and door lock/unlock switch. YES >> Main power window and door lock/unlock switch power supply and ground circuit are OK. NO >> Refer to PWC-96, "POWER WINDOW MAIN SWITCH : Diagnosis Procedure" POWER WINDOW MAIN SWITCH : Diagnosis Procedure INFOID:0000000009176202 Regarding Wiring Diagram information, refer to PWC-80, "Wiring Diagram - With Left & Right Front Auto Up/ Main Power Window And Door Lock/unlock Switch Power Supply Circuit Check 1. CHECK POWER SUPPLY CIRCUIT 1. Turn ignition switch ON. 2. Check voltage between main power window and door lock/unlock switch connectors and ground. Is the inspection result normal? YES >> GO TO 3. NO >> GO TO 2. 2. CHECK HARNESS CONTINUITY 1. Turn ignition switch OFF. 2. Disconnect BCM, main power window and door lock/unlock switch, power window and door lock/unlock switch RH, rear power window switch LH and rear power window switch RH. 3. Check continuity between BCM connector and main power window and door lock/unlock switch connec- tors. 4. Check continuity between BCM connector M81 and ground. Is the inspection result normal? YES >> GO TO 4. NO >> Repair or replace the harness or connectors. 3. CHECK GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect main power window and door lock/unlock switch. 3. Check continuity between main power window and door lock/unlock switch connector D25 and ground. Terminal Voltage (Approx.) (+) (–) Main power window and door lock/un- lock switch connector Terminal D25 10 Ground Battery voltage D24 18 BCM connector Terminal Main power window and door lock/unlock switch connector Terminal Continuity M81 140 D25 10 Yes 141 D24 18 BCM connector Terminal Ground Continuity M81 140 No 141 |