Diagnosis Procedure

ENCODER


REAR RH : Diagnosis Procedure

1. CHECK ENCODER SIGNAL





1. Turn ignition switch ON.
2. Check signal between rear power window switch RH connector D307 terminal 12, 15 and ground with oscilloscope.










Is the inspection result normal?
YES - Check intermittent incident. Refer to Intermittent Incident.
NO - GO TO 2
2. CHECK ENCODER POWER SUPPLY





Check voltage between rear power window motor RH connector
D304 terminal 2 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 rear power window switch RH and rear power window motor RH connectors.
3. Check continuity between rear power window switch RH connector D307 (A) terminal 4 and rear power window motor RH connector D304 (B) terminal 2.





4. Check continuity between rear power window switch RH connector D307 (A) terminal 4 and ground.





Is the inspection result normal?
YES - Replace rear power window switch RH. Refer to LH & RH Front Window Anti-Pinch.
NO - Repair or replace harness or connectors.
4. CHECK ENCODER GROUND CIRCUIT





1. Turn ignition switch OFF.
2. Disconnect rear power window motor RH connector.
3. Check continuity between rear power window motor RH connector D304 terminal 4 and ground.





Is the inspection result normal?
YES - GO TO 6
NO - GO TO 5
5. CHECK HARNESS CONTINUITY 2





1. Disconnect rear power window switch RH connector.
2. Check continuity between rear power window switch RH connector D307 (A) terminal 3 and rear power window motor RH connector D304 (B) terminal 4.





Is the inspection result normal?
YES - Replace rear power window switch RH. Refer to LH & RH Front Window Anti-Pinch.
NO - Repair or replace harness or connectors.
6. CHECK HARNESS CONTINUITY 3





1. Disconnect rear power window switch RH connector.
2. Check continuity between rear power window switch RH connector D307 (A) terminals 12, 15 and rear power window motor RH connector D304 (B) terminals 5, 6.





3. Check continuity between rear power window switch RH connector D307 (A) terminals 12, 15 and ground.





Is the inspection result normal?
YES - Replace rear power window motor RH. Refer to Removal and Installation.
NO - Repair or replace harness or connectors.