Diagnosis Procedure
WARNING: This page is about a different car, the 2020 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK REAR POWER WINDOW MOTOR INPUT SIGNAL
- Turn ignition switch OFF.
- Disconnect rear power window motor LH connector.
- Turn ignition switch ON.
- Check voltage between rear power window motor LH harness connector and ground.
(+)
(-)
Condition
Voltage
(Approx.)
Rear power window motor LH
Connector
Terminal
D204
2
Ground
Rear power window switch LH
UP
Battery voltage
DOWN
0
1
UP
0
DOWN
Battery voltage
Is the inspection result normal?
YES
Replace rear power window motor LH. Refer to Removal and Installation .
NO
GO TO 2.
- CHECK POWER WINDOW MOTOR CIRCUIT
- Turn ignition switch OFF.
- Disconnect rear power window switch LH connector.
- Check continuity between rear power window switch LH harness connector and rear power window motor LH harness connector.
Rear power window switch LH
Rear power window motor LH
Continuity
Connector
Terminal
Connector
Terminal
D256
8
D204
2
Yes
9
1
- Check continuity between rear power window switch LH harness connector and ground.
Rear power window switch LH
Ground
Continuity
Connector
Terminal
D256
8
No
9
Is the inspection result normal?
YES
Replace rear power window switch LH. Refer to Removal and Installation .
NO
Repair or replace harness.