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 ".

BACK DOOR HANDLE SWITCH SIGNAL INSPECTION

Turn ignition switch OFF.

While operating the back door handle switch, check voltage between back door control unit connector B55 terminal 26 and ground.

Terminal		Measuring condition	Voltage (V) (Approx.)
(+)	(-)	Measuring condition	Voltage (V) (Approx.)
26	Ground	Pull the back door handle switch (ON)	0
26	Ground	Other (OFF)	Battery voltage

Fig 1: Checking Back Door Handle Switch Signal Voltage

Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: Switch is OK.

NO: GO TO 2

BACK DOOR HANDLE SWITCH CIRCUIT INSPECTION
1. Disconnect back door handle switch and back door control unit connector.
2. Check continuity between back door control unit connector (A) B55 terminal 26 and back door handle switch connector (B) D706 terminal 1.
  26 - 1: Continuity should exist.
3. Check continuity between back door control unit connector (A) B55 terminal 26 and ground.
  26 - Ground: Continuity should not exist.
  
  Fig 2: Checking Back Door Handle 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 handle switch and the back door control unit.
BACK DOOR HANDLE SWITCH GROUND INSPECTION
Check continuity between back door handle switch connector D706 terminal 2 and ground.

2 - Ground: Continuity should exist.

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

Is the inspection result normal?

YES: Replace the back door handle switch.

NO: Repair the harness between the back door handle switch and ground.