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.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM - WITHOUT INTELLIGENT KEY SYSTEM ".

HALF-LATCH SWITCH SIGNAL INSPECTION

Turn ignition switch OFF.

While fully opening and closing the back door, check voltage between back door control unit connector B55 terminal 22 and ground.

22 - Ground

Fig 1: Checking Half-Latch Switch Signal Voltage

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: Half-latch switch is OK.

NO: GO TO 2

HALF-LATCH SWITCH CIRCUIT INSPECTION
1. Disconnect back door latch switch and back control unit connector.
2. Check continuity between back door control unit connector (A) B55 terminal 22 and back door latch (half-latch switch) connector (B) D705 terminal 6.
  22 - 6: Continuity should exist.
3. Check continuity between back control unit connector (A) B55 terminal 22 and ground.
  22 - Ground: Continuity should not exist.
  
  Fig 2: Checking Half-Latch Switch Circuit Continuity
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection result normal?
  
  YES: GO TO 3
  
  NO: Repair the harness between the back door latch (half-latch switch) and the back door control unit.
HALF-LATCH SWITCH GROUND INSPECTION
Check continuity between back door latch (half-latch switch) connector D705 terminal 8 and ground.

8 - Ground: Continuity should exist.

Fig 3: Checking Close Switch Ground Circuit Continuity
Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: Replace the back door latch.

NO: Repair the harness between the back door latch (half-latch switch) and ground.