FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Diagnosis Procedure





ENCODER


PASSENGER SIDE : Description

Detects condition of the passenger side power window motor operation and transmits to power window subswitch as the pulse signal.




ENCODER


PASSENGER SIDE : Diagnosis Procedure

1.CHECK ENCODER SIGNAL
1. Turn ignition switch ON.
2. Check signal between power window sub-switch harness connector and ground with oscilloscope.










Is the inspection result normal?
YES - Replace power window sub-switch. Service and Repair.
NO - GO TO 2.
2.CHECK ENCODER SIGNAL CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window sub-switch connector and passenger side power window motor connector.
3. Check continuity between power window sub-switch harness connector and passenger side power window motor harness connector.





4. Check continuity between power window sub-switch 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 sub-switch connector.
2. Turn ignition switch ON.
3. Check voltage between passenger 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 sub-switch connector.
3. Check continuity between power window sub-switch harness connector and passenger side power window motor harness connector.





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





Is the inspection result normal?
YES - Replace power window sub-switch. Service and Repair.
NO - Repair or replace harness.
5.CHECK GROUND CIRCUIT 1
1. Turn ignition switch OFF.
2. Disconnect power window sub-switch connector.
3. Check continuity between power window sub-switch harness connector and passenger 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 sub-switch connector.
2. Check continuity between power window sub-switch harness connector and ground.





Is the inspection result normal?
YES - Replace passenger side power window motor. Removal and Installation.
NO - Replace power window sub-switch. Service and Repair.