Check Encoder Circuit (Driver Side)

POWER WINDOW SYSTEM

Check Encoder Circuit (Driver Side)

1.CHECK DRIVER SIDE POWER WINDOW MOTOR POWER SUPPLY
1. Turn ignition switch ON.

2. Check voltage between driver side power window motor connector D9 terminal 4 and ground.

4 (OR) - Ground : Approx. 10V

OK or NG
OK - GO TO 3.
NG - GO TO 2.
2.CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect power window main switch and driver side power window motor connector.

3. Check continuity between power window main switch connector D7 terminal 5 and driver side power window motor connector D9 terminal 4.

5 (OR) - 4 (OR) : Continuity should exist.

OK or NG
OK - Replace power window main switch.
NG - Repair or replace harness.
3.CHECK ENCODER GROUND
1. Turn ignition switch OFF.
2. Disconnect driver side power window motor connector.

3. Check continuity between driver side power window motor connector D9 terminal 6 and ground.

6 (LG) - Ground : Continuity should exist.

OK or NG
OK - GO TO 5.
NG - GO TO 4.
4.CHECK ENCODER GROUND CIRCUIT
1. Disconnect power window main switch connector.

2. Check continuity between power window main switch connector D7 terminal 14 and driver side power window motor connector D9 terminal 6.

14 (LG) - 6 (LG) : Continuity should exist.

OK or NG
OK - Replace power window main switch.
NG - Repair or replace harness.
5.CHECK ENCODER SIGNAL
1. Connect driver side power window motor connector.
2. Turn ignition switch ON.
3. Check signal between power window main switch connector and ground with oscilloscope.

OK or NG
OK - Replace power window main switch.
NG - GO TO 6.
6.CHECK ENCODER CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect power window main switch and driver side power window motor connector.

3. Check continuity between power window main switch connector D7 terminal 13 and driver side power window motor connector D9 terminal 3.

13 (GY) - 3 (GY) : Continuity should exist.

OK or NG
OK - Replace driver side power window motor.
NG - Repair or replace harness.