LH & RH Front Anti-Pinch

POWER SUPPLY AND GROUND CIRCUIT

POWER WINDOW MAIN SWITCH : Diagnosis Procedure

Regarding Wiring Diagram information, refer to {LINK_TO:0000000007987861}, "Wiring Diagram - With Left And Right Front Power
Window Anti-Pinch".

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 connectors.





4.Check continuity between BCM connector M21 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 D7 and ground.





Is the inspection result normal?
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.
YES- Check main power window and door lock/unlock switch output signal (front power window switch
LH) GO TO 7.
NO- Repair or replace the harness and connectors.

4. CHECK BCM OUTPUT SIGNAL

1.Connect BCM.
2.Turn ignition switch ON.
3.Check voltage between BCM connector M21 and ground.





Is the measurement value within the specification?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace BCM. Refer to "Removal and Installation" Service and Repair.

5. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-

ER WINDOW SWITCH LH)
1.Connect main power window and door lock/unlock switch.
2.Turn ignition switch ON.
3.Check voltage between main power window and door lock/unlock switch connector D7 and ground.





Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace main power window and door lock/unlock switch. Refer to "Removal and Installation" LH & RH Front Anti-Pinch. After that, refer to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement" LH & RH Front Anti-Pinch.

6. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (REAR POW-

ER WINDOW SWITCH RH)
1.Connect main power window and door lock/unlock switch.
2.Turn ignition switch ON.
3.Check voltage between main power window and door lock/unlock switch connector D7 and ground.





Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace main power window and door lock/unlock switch. Refer to "Removal and Installation" LH & RH Front Anti-Pinch.

7. CHECK MAIN POWER WINDOW AND DOOR LOCK/UNLOCK SWITCH OUTPUT SIGNAL (FRONT

POWER WINDOW SWITCH LH)
1.Connect main power window and door lock/unlock switch.
2.Turn ignition switch ON.
3.Check voltage between main power window and door lock/unlock switch connector D7 and ground.





Is the inspection result normal?
YES- Check intermittent incident. Refer to "Intermittent Incident" Intermittent Incident.
NO- Replace main power window and door lock/unlock switch. Refer to "Removal and Installation" LH & RH Front Anti-Pinch.