Diagnosis Procedure
WARNING: This page is about a different car, the 2012 Nissan Pathfinder. 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 and combination switch.
- Check continuity between BCM harness connector and combination switch harness connector.
System BCM Combination switch Continuity Connector Terminal Connector Terminal OUTPUT 1 M18 (A) 6 M28 (B) 6 Yes OUTPUT 2 5 7 OUTPUT 3 4 10 OUTPUT 4 3 9 OUTPUT 5 2 8 Courtesy of NISSAN NORTH AMERICA, INC.
Does continuity exist?
YES: GO TO 2
NO: Repair or replace harness.
- CHECK OUTPUT 1 - 5 SYSTEM CIRCUIT FOR SHORT
Check for continuity between BCM harness connector and ground.
System BCM Ground Continuity Connector Terminal OUTPUT 1 M18 6 No OUTPUT 2 5 OUTPUT 3 4 OUTPUT 4 3 OUTPUT 5 2 Courtesy of NISSAN NORTH AMERICA, INC.
Does continuity exist?
YES: Repair or replace harness.
NO: GO TO 3
- CHECK BCM INPUT VOLTAGE
- Connect BCM.
- Turn ignition switch ON.
- Check voltage between BCM harness connector and ground.
Courtesy of NISSAN NORTH AMERICA, INC.
System Terminals Voltage (Approx.) (+) (-) BCM Ground Connector Terminal INPUT 1 M18 6 Refer to "REFERENCE VALUE ". INPUT 2 5 INPUT 3 4 INPUT 4 3 INPUT 5 2 Is the measurement value normal?
YES: GO TO 4
NO: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
- CHECK COMBINATION SWITCH
Check combination switch. Refer to "SYMPTOM TABLE ".
Is the check result normal?
YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
NO: Replace the combination switch (applicable parts). Refer to "REMOVAL AND INSTALLATION ".