Diagnostic 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.

CHECK BCM CONNECTORS
1. Turn ignition switch OFF.
2. Disconnect BCM harness connectors.
3. Check terminals for damage or loose connections.
  Is the inspection result normal?
  
  YES: GO TO 2
  
  NO: Repair or replace damaged parts.
CHECK TIRE PRESSURE WARNING CHECK CONNECTOR CIRCUIT
Check continuity between BCM harness connector M18 terminal 15 and ground.

Continuity should not exist .

Is the inspection result normal?

YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".

NO: Repair circuit for short to ground.

Fig 1: Checking Continuity Between BCM Harness Connector M18 Terminal 15 And Ground
Courtesy of NISSAN NORTH AMERICA, INC.