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PWC-10 < COMPONENT DIAGNOSIS > POWER SUPPLY AND GROUND CIRCUIT 1. Turn ignition switch OFF. 2. Disconnect BCM and main power window and door lock/unlock 3. Check continuity between BCM and main power window and 4. Check continuity between BCM and ground. Is the inspection result normal? YES >> Replace main power window and door lock/unlock switch. Refer to . NO >> Repair or replace harness. 4. CHECK BCM OUTPUT SIGNAL 1. Connect BCM. 2. Turn ignition switch ON. 3. Check voltage between BCM connector M20 terminal 68 and Is the measurement value within the specification? YES >> Check main power window and door lock/unlock switch output signal (rear power window switch LH) GO TO 5 YES >> Check main power window and door lock/unlock switch output signal (rear power window switch RH) GO TO 6 NO >> Replace BCM. Refer to BCS-54, "Removal and Installation" 5. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW- ER WINDOW SWITCH LH) 1. Turn ignition switch ON. 2. Check voltage between main power window and door lock/ Is the measurement value within the specification? YES >> GO TO 7 A B Continuity Connector Terminal Connector Terminal BCM: M20 68 Main power window and door lock/un- lock switch: D7 5 Yes A Ground Continuity Connector Terminal BCM: M20 68 No LIIA2165E 68 - Ground : Battery voltage LIIA2055E Terminal Window condition Voltage (V) (Approx.) (+) (–) Main power window and door lock/unlock switch connector Terminal D7 15 Ground UP Battery voltage DOWN 0 16 UP 0 DOWN Battery voltage ALKIA1381ZZ |