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 SUPPLY
- Turn ignition switch OFF.
- Disconnect sunshade motor assembly connector.
- Turn ignition switch ON.
- Check voltage between sunshade motor assembly harness connector and ground.
(+) (-) Voltage
(Approx.)Sunshade motor assembly Connector Terminal B85 4 Ground Battery voltage 10
Is the inspection result normal?
YES
GO TO STEP 2 .
NO
GO TO STEP 3 .
- CHECK GROUND CIRCUIT
- Turn ignition switch OFF.
- Check continuity between sunshade motor assembly harness connector and ground.
Sunshade motor assembly Ground Continuity Connector Terminal B85 8 Yes
Is the inspection result normal?
YES
GO TO STEP 4 .
NO
Repair or replace the harness.
- CHECK SUNSHADE MOTOR CIRCUIT
- Turn ignition switch OFF.
- Disconnect BCM connector.
- Check continuity between BCM harness connector and sunshade motor assembly connector.
Sunshade motor
assembly connectorTerminal BCM Terminal Continuity B85 4 M81 140 Yes 10 141 - Check continuity between BCM harness connector and ground.
BCM Ground Continuity Connector Terminal M81 140 No 141
Is the inspection result normal?
YES
Replace BCM. Refer to REMOVAL AND INSTALLATION .
NO
Repair or replace the harness.
- CHECK INTERMITTENT INCIDENT
Refer to INTERMITTENT INCIDENT .
Inspection End.