Diagnosis Procedure
- CHECK ENCODER SIGNAL
- Connect front power window motor RH.
- Ignition switch ON.
- Check signal between power window and door lock/unlock switch RH connector and ground with oscilloscope.
Signal name
(+)
(-)
Signal
(Reference value)
Power window and door lock/unlock switch RH
Connector
Terminal
Encoder signal 1
D105
9
Ground
Refer to following signal
Encoder signal 2
7
Is the inspection result normal?
YES
Check intermittent incident. Refer to Intermittent Incident .
NO
GO TO 2.
- CHECK FRONT POWER WINDOW MOTOR RH POWER SUPPLY
- Ignition switch ON.
- Check voltage between front power window motor RH connector and ground.
(+)
(-)
Voltage
(Approx.)
Front power window motor RH
Connector
Terminal
D104
2
Ground
Battery voltage
Is the inspection result normal?
YES
GO TO 4.
NO
GO TO 3.
- CHECK HARNESS CONTINUITY 1
- Ignition switch OFF.
- Disconnect power window and door lock/unlock switch RH and front power window motor RH.
- Check continuity between power window and door lock/unlock switch RH connector and front power window motor RH connector.
Power window and door lock/unlock switch RH
Front power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D105
2
D104
2
Yes
- Check continuity between power window and door lock/unlock switch RH connector and ground.
Power window and door lock/unlock switch RH
-
Continuity
Connector
Terminal
D105
2
Ground
No
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to Removal and Installation . After that, refer to Work Procedure .
NO
Repair or replace the harness or connectors.
- CHECK GROUND CIRCUIT
- Ignition switch OFF.
- Disconnect front power window motor RH.
- Check continuity between front power window motor RH connector and ground.
Front power window motor RH
-
Continuity
Connector
Terminal
D104
4
Ground
Yes
Is the inspection result normal?
YES
GO TO 6.
NO
GO TO 5.
- CHECK HARNESS CONTINUITY 2
- Disconnect power window and door lock/unlock switch RH.
- Check continuity between power window and door lock/unlock switch RH connector and front power window motor RH connector.
Power window and door lock/unlock switch RH
Front power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D105
10
D104
4
Yes
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to Removal and Installation . After that, refer to Work Procedure .
NO
Repair or replace the harness or connectors.
- CHECK HARNESS CONTINUITY 3
- Disconnect power window and door lock/unlock switch RH.
- Check continuity between power window and door lock/unlock switch RH connector and front power window motor RH connector.
Power window and door lock/unlock switch RH
Front power window motor RH
Continuity
Connector
Terminal
Connector
Terminal
D105
9
D104
5
Yes
7
6
- Check continuity between power window and door lock/unlock switch RH connector and ground.
Power window and door lock/unlock switch RH
-
Continuity
Connector
Terminal
D105
9
Ground
No
7
Is the inspection result normal?
YES
Replace front power window motor RH. Refer to Removal and Installation - Front Regulator . After that, refer to Work Procedure .
NO
Repair or replace the harness or connectors.