Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

CHECK COMBINATION METER INPUT SIGNAL
1. Select "METER/M&A" on CONSULT.
2. Monitor "DOOR W/L" of "DATA MONITOR" while opening and closing doors.
  DOOR W/L
  
  Front door LH open: ON
  
  Front door LH closed: OFF
  
  Front door RH open: ON
  
  Front door RH closed: OFF
  
  Rear door LH open: ON
  
  Rear door LH closed: OFF
  
  Rear door RH open: ON
  
  Rear door RH closed: OFF
  
  Is the inspection result normal?
  
  YES: Replace combination meter. Refer to "REMOVAL AND INSTALLATION ".
  
  NO: GO TO 2
CHECK BCM INPUT SIGNAL
1. Select "BCM" on CONSULT.
2. Monitor "DOOR SW DR", "DOOR SW AS", "DOOR SW RL" and "DOOR SW RR" of "DATA MONITOR" while opening and closing doors.
  When doors are open
  
  DOOR SW DR: ON
  
  DOOR SW AS: ON
  
  DOOR SW RL: ON
  
  DOOR SW RR: ON
  
  When doors are closed
  
  DOOR SW DR: OFF
  
  DOOR SW AS: OFF
  
  DOOR SW RL: OFF
  
  DOOR SW RR: OFF
  
  Is the inspection result normal?
  
  YES: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
  
  NO: GO TO 3
CHECK DOOR SWITCHES
1. Disconnect door switches.
2. Check continuity between door switch (front LH), (front RH), (rear LH) and (rear RH) terminal 2 and exposed metal of switch while pressing and releasing switch.
  When door switch is released: Continuity should exist
  
  When door switch is pushed: Continuity should not exist
  
  Fig 1: Checking Continuity Between Door Switch Terminal 2 And Door Switch
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection result normal?
  
  YES: Repair open or short in circuit between BCM and door switch.
  
  NO: Replace door switch.