Diagnosis Procedure
WARNING: This page is about a different car, the 2017 Nissan Sentra. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to WIRING DIAGRAM .
- CHECK OUTPUT 1 - 5 CIRCUIT FOR OPEN
- Turn ignition switch OFF.
- Disconnect BCM and combination switch connectors.
- Check continuity between BCM connector and combination switch connector.
Combination switch signal BCM Combination switch Continuity Connector Terminal Connector Terminal OUTPUT 1 M21 6 M28 12 Yes OUTPUT 2 5 14 OUTPUT 3 4 5 OUTPUT 4 3 2 OUTPUT 5 2 8
Is the inspection result normal?
YES
GO TO STEP 2.
NO
Repair harness or connectors.
- CHECK OUTPUT 1 - 5 CIRCUIT FOR SHORT
Check for continuity between BCM connector and ground.
Combination switch
signalBCM Ground Continuity Connector Terminal OUTPUT 1 M21 6 No OUTPUT 2 5 OUTPUT 3 4 OUTPUT 4 3 OUTPUT 5 2 Is the inspection result normal?
YES
GO TO STEP 3 .
NO
Repair harness or connectors.
- CHECK BCM INPUT SIGNAL
- Connect BCM and combination switch connectors.
- Turn ON any switch in the system that is malfunctioning.
- Check voltage between BCM connector and ground.
BCM signal Terminals Voltage (+) (-) BCM Ground Connector Terminal INPUT 1 M21 6 Refer to REFERENCE VALUE . INPUT 2 5 INPUT 3 4 INPUT 4 3 INPUT 5 2
Is the inspection result normal?
Yes
Replace BCM. Refer to REMOVAL AND INSTALLATION .
No
Replace combination switch.