1.CHECK POWER WINDOW MOTOR INPUT SIGNAL

1. Turn ignition switch ON.
2. Power window lock switch OFF.
3. Check voltage between malfunctioning power window motor harness connector and ground.

(+) | (−) | Condition | Voltage (V) (Approx.)
Power window motor
Connector | Terminal
D10/D40* | 3 | Ground | When operating the corresponding power window switch upwards | Battery voltage
Other than above | 0
4 | When operating the corresponding power window switch downwards | Battery voltage
Other than above | 0
*: Passenger side

Is the inspection result normal?
YES>>Replace malfunctioning power window motor. Refer to Removal and Installation (GT-R certified NISSAN dealer).
NO>>GO TO 2.
2.CHECK POWER WINDOW MOTOR CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect the corresponding power window motor connector and power window switch connector.
3. Check continuity between the corresponding power window motor harness connector and power window switch harness connector.

   Power window motor | Power window switch | Continuity
   Connector | Terminal | Connector | Terminal
   D10/D40* | 3 | D8/D38* | 10/15* | Existed
   4 | 11/16*
   *: Passenger side

4. Check continuity between the corresponding power window motor harness connector and ground.

   Power window motor | Ground | Continuity
   Connector | Terminal
   D10/D40* | 3 | Not existed
   4
   *: Passenger side

Is the inspection result normal?
YES>>GO TO 3.
NO>>Repair or replace harness.
3.CHECK GROUND CIRCUIT
Check continuity between the corresponding power window motor harness connector and ground.

Power window motor | Ground | Continuity
Connector | Terminal
D10/D40* | 8 | Existed
*: Passenger side

Is the inspection result normal?
YES>>GO TO 4.
NO>>Repair or replace harness.
4.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
>>INSPECTION END