DRIVER SIDE : Diagnosis Procedure
- CHECK ENCODER SIGNAL
- Turn ignition switch ON.
- Check signal between power window main switch harness connector and ground with oscilloscope.SIGNAL REFERENCE
Signal name (+) (-) Signal (Reference value) Power window main switch Connector Terminal Encoder signal 1 D5 13 Ground Refer to following signal Encoder signal 2 9 Courtesy of NISSAN MOTOR CO., U.S.A.
Is the inspection result normal?
YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".
NO: GO TO 2.
- CHECK ENCORDER SIGNAL CIRCUIT
- Turn ignition switch OFF.
- Disconnect power window main switch connector and front power window motor (driver side) connector.
- Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.CONTINUITY SPECIFICATION
Power window main switch Front power window motor (driver side) Continuity Connector Terminal Connector Terminal D5 9 D7 6 Existed 13 5 - Check continuity between power window main switch harness connector and ground.CONTINUITY SPECIFICATION
Power window main switch Ground Continuity Connector Terminal D5 9 Not existed 13 Is the inspection result normal?
YES: GO TO 3.
NO: Repair or replace harness.
- CHECK ENCORDER POWER SUPPLY
- Connect power window main switch connector.
- Turn ignition switch ON.
- Check voltage between front power window motor (driver side) harness connector and ground.VOLTAGE SPECIFICATION
(+) (-) Voltage (V) (Approx.) Front power window motor (driver side) Connector Terminal D7 2 Ground 12 Is the inspection result normal?
YES: GO TO 5.
NO: GO TO 4.
- CHECK ENCORDER POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect power window main switch connector.
- Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.CONTINUITY SPECIFICATION
Power window main switch Front power window motor (driver side) Continuity Connector Terminal Connector Terminal D5 15 D7 2 Existed - Check continuity between power window main switch harness connector and ground.CONTINUITY SPECIFICATION
Power window main switch Ground Continuity Connector Terminal D5 15 Not existed Is the inspection result normal?
YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".
NO: Repair or replace harness.
- CHECK GROUND CIRCUIT 1
- Turn ignition switch OFF.
- Check continuity between front power window motor (driver side) harness connector and ground.CONTINUITY SPECIFICATION
Front power window motor (driver side) Ground Continuity Connector Terminal D7 4 Existed Is the inspection result normal?
YES: Replace front power window motor (driver side). Refer to "REMOVAL AND INSTALLATION ".
NO: GO TO 6.
- CHECK GROUND CIRCUIT 2
- Disconnect power window main switch connector.
- Check continuity between power window main switch harness connector and front power window motor (driver side) harness connector.CONTINUITY SPECIFICATION
Power window main switch Front power window motor (driver side) Continuity Connector Terminal Connector Terminal D5 2 D7 4 Existed - Check continuity between power window main switch harness connector and ground.CONTINUITY SPECIFICATION
Power window main switch Ground Continuity Connector Terminal D5 2 Not existed Is the inspection result normal?
YES: Replace power window main switch. Refer to "REMOVAL AND INSTALLATION ".
NO: Repair or replace harness.