Diagnosis Procedure
WARNING: This page is about a different car, the 2016 Infiniti QX60. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK POWER WINDOW SWITCH INPUT SIGNAL
- Turn ignition switch ON.
- Check signal between power window and door lock/unlock switch RH harness connector and ground with oscilloscope.
(+) (-) Signal
(Reference value)Power window and door lock/unlock switch RH Connector Terminal D157 16 Ground
Is the inspection result normal?
YES
Replace power window and door lock/unlock switch RH. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 2 .
- CHECK POWER WINDOW SERIAL LINK SIGNAL
- Turn ignition switch OFF.
- Disconnect power window and door lock/unlock switch RH connector.
- Turn ignition switch ON.
- Check voltage between power window and door lock/unlock switch RH harness connector and ground.
(+) (-) Voltage
(Approx.)Power window and door lock/unlock switch RH Connector Terminal D157 16 Ground Battery voltage
Is the inspection result normal?
YES
Replace power window main switch. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 3 .
- CHECK POWER WINDOW SERIAL LINK CIRCUIT
- Disconnect power window main switch connector.
- Check continuity between power window main switch harness connector and power window and door lock/unlock switch RH harness connector.
Power window main switch Power window and door lock/unlock switch RH Continuity Connector Terminal Connector Terminal D56 13 D157 16 Yes
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair or replace harness.
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
Inspection End.