Diagnosis Procedure
- CHECK ENCODER SIGNAL
- Ignition switch ON.
- Check signal between power window and door lock/unlock switch RH harness connector and ground with oscilloscope.
(+)
(-)
Signal
(Reference value)
Power window and door lock/unlock switch RH
Connector
Terminal
D105
9
Ground
Refer to following signals
10
Is the inspection result normal?
YES
GO TO 7.
NO
GO TO 2.
- CHECK ENCODER SIGNAL CIRCUIT
- Ignition switch OFF.
- Disconnect power window and door lock/unlock switch RH connector and front power window motor RH connector.
- Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.
Power window and door lock/unlock switch RH
Front power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D105
9
D104
4
Yes
10
6
- Check continuity between power window and door lock/unlock switch RH harness connector and ground.
Power window and door lock/unlock switch RH
--
Continuity
Connector
Terminal
D105
9
Ground
No
10
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace harness.
- CHECK ENCODER POWER SUPPLY
- Connect power window and door lock/unlock switch RH connector.
- Ignition switch ON.
- Check voltage between front power window motor RH harness connector and ground.
(+)
(-)
Voltage
(Approx.)
Front power window motor RH
Connector
Terminal
D104
5
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 4.
- CHECK ENCODER POWER SUPPLY CIRCUIT
- Ignition switch OFF.
- Disconnect power window and door lock/unlock switch RH connector.
- Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.
Power window and door lock/unlock switch RH
Front power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D105
5
D104
5
Yes
- Check continuity between power window and door lock/unlock switch RH harness connector and ground.
Power window and door lock/unlock switch RH
--
Continuity
Connector
Terminal
D105
5
Ground
No
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK GROUND CIRCUIT 1
- Ignition switch OFF.
- Check continuity between front power window motor RH harness connector and ground.
Front power window motor RH
--
Continuity
Connector
Terminal
D104
3
Ground
Yes
Is the inspection result normal?
YES
GO TO 7.
NO
GO TO 6.
- CHECK GROUND CIRCUIT 2
- Disconnect power window and door lock/unlock switch RH connector.
- Check continuity between power window and door lock/unlock switch RH harness connector and front power window motor RH harness connector.
Power window and door lock/unlock switch RH
Front power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D105
4
D104
3
Yes
- Check continuity between power window and door lock/unlock switch RH harness connector and ground.
Power window and door lock/unlock switch RH
--
Continuity
Connector
Terminal
D105
4
Ground
No
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to Removal and Installation .
NO
Repair or replace harness.
- CHECK INTERMITTENT INCIDENT
Refer to Inspection Procedure .
Inspection End.