Diagnosis Procedure

ENCODER

DRIVER SIDE : Diagnosis Procedure


1. CHECK ENCODER OPERATION

1.Turn ignition switch ON.
2.Check signal between power window main switch harness connector and ground with oscilloscope.










Is the inspection result normal?
YES- GO TO 7.
NO- GO TO 2.

2. CHECK ENCODER SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect power window main switch connector and driver side power window motor connector.
3.Check continuity between power window main switch harness connector and driver side power window motor harness connector.





4.Check continuity between power window main switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CHECK ENCODER POWER SUPPLY CIRCUIT

1.Connect power window main switch connector.
2.Turn ignition switch ON.
3.Check voltage between driver side power window motor harness connector and ground.





Is the measurement value within the specification?
YES- GO TO 4.
NO- GO TO 5.

4. CHECK GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between driver side power window motor harness connector and ground.





Is the inspection result normal?
YES- GO TO 7.
NO- GO TO 6.

5. CHECK HARNESS CONTINUITY 1

1.Turn ignition switch OFF.
2.Disconnect power window main switch connector.
3.Check continuity between power window main switch harness connector and driver side power window motor harness connector.





4.Check continuity between power window main switch harness connector and ground.





Is the inspection result normal?
YES- Replace power window main switch. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.

6. CHECK HARNESS CONTINUITY 2

1.Disconnect power window main switch connector.
2.Check continuity between power window main switch harness connector and driver side power window motor harness connector.





Is the inspection result normal?
YES- Replace power window main switch. Refer to "Removal and Installation" Service and Repair.
NO- Repair or replace harness.

7. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END.