Diagnosis Procedure

ENCODER


REAR RH : Description

Detects condition of the front power window motor LH operation and transmits to main power window and door lock/unlock switch as pulse signal.




ENCODER


REAR RH : Diagnosis Procedure

Regarding Wiring Diagram information, Power Window Main Switch.
1. CHECK ENCODER SIGNAL





1. Turn ignition switch ON.
2. Check the signal between rear power window control unit RH connector D309 terminal 4 and ground with oscilloscope.





Is the inspection result normal?
YES - GO TO 2
NO - Replace rear power window control unit RH.
2. CHECK HARNESS CONTINUITY





1. Turn ignition switch OFF.
2. Disconnect rear power window control unit RH and rear power window motor RH.
3. Check continuity between rear power window control unit RH connector D309 terminal 4 and rear power window motor RH connector D304 terminal 3.

4 - 3 : Continuity should exist.

Is the inspection result normal?
YES - GO TO 3
NO - Repair or replace harness.
3. CHECK REAR POWER WINDOW MOTOR RH POWER SUPPLY





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

4 - Ground : Approx. 10V

Is the inspection result normal?
YES - GO TO 5
NO - GO TO 4
4. CHECK HARNESS CONTINUITY





1. Turn ignition switch OFF.
2. Disconnect rear power window motor RH and rear power window control unit RH.
3. Check continuity between rear power window motor RH connector D304 (B) terminal 4 and rear power window control unit RH connector D309 (A) terminal 5.

4 - 5 : Continuity should exist.

Is the inspection result normal?
YES - Replace rear power window switch RH. PWC-
119, "Removal and Installation".
NO - Repair or replace harness.
5. CHECK ENCODER GROUND





1. Disconnect rear power window motor RH.
2. Check continuity between rear power window motor RH connector D304 terminal 6 and ground.

6 - Ground : Continuity should exist.

Is the inspection result normal?
YES - GO TO 7
NO - GO TO 6
6. CHECK ENCODER GROUND CIRCUIT





1. Disconnect rear power window control unit RH.
2. Check continuity between rear power window motor RH connector D304 terminal 6 and rear power window control unit RH connector D309 terminal 3.

6 - 3 : Continuity should exist.

Is the inspection result normal?
YES - Replace rear power window control unit RH.
NO - Repair or replace harness.
7. CHECK REAR POWER WINDOW MOTOR RH LIMIT SWITCH SIGNAL





1. Turn ignition switch ON.
2. Check voltage between rear power window control unit RH connector and ground.





Is the inspection result normal?
YES - Limit switch circuit is OK.
NO - GO TO 8
8. CHECK REAR POWER WINDOW SWITCH RH OUTPUT SIGNAL





1. Turn ignition switch ON.
2. Check voltage between rear power window control unit RH harness connector D309 terminal 2 and ground.

2 - Ground : Approx. 5V

Is the inspection result normal?
YES - GO TO 9
NO - Replace rear power window control unit RH.
9. CHECK HARNESS CONTINUITY





1. Turn ignition switch OFF.
2. Disconnect rear power window control unit RH.
3. Check continuity between rear power window control unit RH connector D309 terminal 2 and rear power window motor RH connector D304 terminal 5.

2 - 5 : Continuity should exist.

Is the inspection result normal?
YES - Replace rear power window motor RH. Service and Repair.
NO - Repair or replace harness.