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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 D7 terminals 9, 13 and ground with oscilloscope.










Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- GO TO 2

2. CHECK ENCODER POWER SUPPLY






Check voltage between front power window motor LH connector D9
terminal 4 and ground.





Is the inspection result normal?
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 connector D7 and front power window motor LH connector.
3.Check continuity between main power window and door lock/
unlock switch connector D7 (A) terminal 15 and front power window motor LH connector D9 (B) terminal 4.





4.Check continuity between main power window and door lock/unlock switch connector D7 (A) terminal 15
and ground.





Is the inspection result normal?
YES- Replace main power window and door lock/unlock switch. Main Power Window And Door Lock/Unlock Switch.
NO- Repair or replace harness or connectors.

4. CHECK ENCODER GROUND CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect front power window motor LH connector.
3.Check continuity between front power window motor LH connector D9 terminal 6 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 connector D7.
2.Check continuity between main power window and door lock/
unlock switch connector D7 (A) terminal 2 and front power window motor LH connector D9 (B) terminal 6.





Is the inspection result normal?
YES- Replace main power window and door lock/unlock switch. Main Power Window And Door Lock/Unlock Switch.
NO- Repair or replace harness or connectors.

6. CHECK HARNESS CONTINUITY 3






1.Disconnect main power window and door lock/unlock switch connector D7.
2.Check continuity between main power window and door lock/
unlock switch connector D7 (A) terminals 9, 13 and front power window motor LH connector D9 (B) terminals 3, 5.





3.Check continuity between main power window and door lock/unlock switch connector D7 (A) terminals 9, 13 and ground.





Is the inspection result normal?
YES- Replace front power window motor LH. Removal And Installation.
NO- Repair or replace harness or connectors.
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