Diagnosis Procedure
- CHECK POWER SUPPLY CIRCUIT 1
- Turn ignition switch OFF.
- Disconnect power window main switch connectors.
- Turn ignition switch ON.
- Check voltage between power window main switch harness connector and ground.
(+)
(-)
Voltage (V)
(Approx.)
Power window main switch
Connector
Terminal
D22
4
Ground
12
9
Is the inspection result normal?
YES
GO TO 2.
NO
GO TO 3.
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between power window main switch harness connector and ground.
Power window main switch
Ground
Continuity
Connector
Terminal
D22
7
Existed
Is the inspection result normal?
YES
GO TO 4.
NO
Repair or replace harness.
- CHECK POWER SUPPLY CIRCUIT 2
- Turn ignition switch OFF.
- Disconnect BCM connector.
- Check continuity between BCM harness connector and power window main switch harness connector.
BCM
Power window main switch
Continuity
Connector
Terminal
Connector
Terminal
M122
68
D22
9
Existed
69
4
- Check continuity between BCM harness connector and ground.
BCM
Ground
Continuity
Connector
Terminal
M122
68
Not existed
69
Is the inspection result normal?
YES
Replace BCM. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident .
INSPECTION END