Diagnosis Procedure

ENCODER


DRIVER SIDE : Description

Detects condition of the driver side power window motor operation and transmits to power window main switch as the pulse signal.




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 - Replace power window main switch. Refer to Service and Repair.
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
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 5.
NO - GO TO 4.
4.CHECK ENCODER POWER SUPPLY CIRCUIT 2
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 Service and Repair.
NO - Repair or replace harness.
5.CHECK GROUND CIRCUIT 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.





Is the inspection result normal?
YES - GO TO 6.
NO - Repair or replace harness.
6.CHECK GROUND CIRCUIT 2
1. Connect power window main switch connector.
2. Check continuity between power window main switch harness connector and ground.





Is the inspection result normal?
YES - Replace driver side power window motor. Refer to Service and Repair.
NO - Replace power window main switch. Refer to Service and Repair.