Diagnosis Procedure
ENCODER
DRIVER SIDE : Diagnosis Procedure
Regarding Wiring Diagram information, [1][2]Electrical Diagrams.
1. CHECK ENCODER OPERATION
1.Turn ignition switch ON.
2.Check signal between main power window and door lock/unlock switch connector and ground with oscilloscope.
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- GO TO 2
2. CHECK FRONT POWER WINDOW MOTOR LH POWER SUPPLY
1.Disconnect front power window motor LH.
2.Check voltage between front power window motor LH connector and ground.
Is the measurement value within the specification?
YES- GO TO 4
NO- GO TO 3
3. CHECK HARNESS CONTINUITY 1
1.Turn ignition switch OFF.
2.Disconnect main power window and door lock/unlock switch.
3.Check continuity between main power window and door lock/
unlock switch connector and front power window motor LH connector.
4.Check continuity between main power window and door lock/
unlock switch connector and ground.
Is the inspection result normal?
YES- Replace main power window and door lock/unlock switch. Power Window Main Switch.
NO- Repair or replace harness.
4. CHECK GROUND CIRCUIT
1.Turn ignition switch OFF.
2.Check continuity between front power window motor LH connector and ground.
Is the inspection result normal?
YES- GO TO 6
NO- GO TO 5
5. CHECK HARNESS CONTINUITY 2
1.Disconnect main power window and door lock/unlock switch.
2.Check continuity between main power window and door lock/
unlock switch connector and front power window motor LH connector.
Is the inspection result normal?
YES- Replace main power window and door lock/unlock switch. Power Window Main Switch.
NO- Repair or replace harness.
6. CHECK HARNESS CONTINUITY 3
1.Disconnect main power window and door lock/unlock switch.
2.Check continuity between main power window and door lock/
unlock switch connector and front power window motor LH connector.
3.Check continuity between main power window and door lock/
unlock switch connector and ground.
Is the inspection result normal?
YES- Replace front power window motor LH. Service and Repair.
NO- Repair or replace harness.