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 OUTPUT 1 - 5 SYSTEM CIRCUIT FOR OPEN
- Turn ignition switch OFF.
- Disconnect BCM connector M18 and combination switch connector.
- Check continuity between BCM connector M18 and combination switch connector.
Signal BCM Combination switch Continuity Connector Terminal Connector Terminal OUTPUT 1 M18 14 M28 12 Yes OUTPUT 2 13 14 OUTPUT 3 12 5 OUTPUT 4 11 2 OUTPUT 5 10 8
Is the inspection result normal?
YES
GO TO STEP 2.
NO
Repair or replace harness or connectors.
- CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check continuity between BCM connector M18 and ground.
Signal BCM Ground Continuity Connector Terminal OUTPUT 1 M18 14 No OUTPUT 2 13 OUTPUT 3 12 OUTPUT 4 11 OUTPUT 5 10 Is the inspection result normal?
YES
GO TO STEP 3.
NO
Repair or replace harness or connectors.
- CHECK BCM INPUT VOLTAGE
- Connect BCM connector M18 and combination switch connector.
- Turn ignition switch ON.
- Check voltage between BCM connector M18 and ground.
Signal BCM Ground Voltage Connector Terminal OUTPUT 1 M18 14 - Refer to REFERENCE VALUE . OUTPUT 2 13 OUTPUT 3 12 OUTPUT 4 11 OUTPUT 5 10
Is the inspection result normal?
YES
Replace BCM. Refer to REMOVAL AND INSTALLATION .
NO
Replace the combination switch. Refer to REMOVAL AND INSTALLATION .