Door Switch Check (Crew Cab)

WARNING: This page is about a different car, the 2006 Nissan Titan. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR SWITCHES INPUT SIGNAL

With CONSULT-II

Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR") in DATA MONITOR mode with CONSULT-II. Refer to "DATA MONITOR ".

Fig 1: CONSULT-II Display - DATA MONITOR

Courtesy of NISSAN MOTOR CO., U.S.A.

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

Without CONSULT-II

Check voltage between BCM connector M18 or M19 terminals 12, 13, 47, 48 and ground.

Fig 2: Checking Voltage Between BCM Connector M18 Or M19 Terminals 12, 13, 47, 48 And Ground

Courtesy of NISSAN MOTOR CO., U.S.A.

CONNECTOR TERMINAL VOLTAGE REFERENCE

Connector	Item	Terminals		Condition	Voltage (V) (Approx.)
Connector	Item	(+)	(-)	Condition	Voltage (V) (Approx.)
M19	Front door switch LH	47	Ground	Open then Closed	0 then Battery voltage
M19	Rear door switch LH	48
M18	Front door switch RH	12
M18	Rear door switch RH	13

OK or NG

OK: Door switch circuit is OK.

NG: GO TO 2.

CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM.
3. Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 and BCM connector M18, M19 terminals 12, 13, 47 and 48.
  2 - 47: Continuity should exist
  
  2 - 12: Continuity should exist
  
  2 - 48: Continuity should exist
  
  2 - 13: Continuity should exist
4. Check continuity between door switch connector B8 (Front LH), B108 (Front RH), B18 (Rear LH), B116 (Rear RH) terminal 2 and ground.
  2 - Ground: Continuity should not exist
  
  Fig 3: Checking Continuity Between Door Switch Connector B8, B108, B18, B116 Terminal 2, BCM Connector M18, M19 Terminals 12, 13, 47, 48 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

CHECK DOOR SWITCHES

Check continuity between door switch terminal 2 and exposed metal of switch while pressing and releasing switch.

Fig 4: Checking Continuity Between Door Switch Terminal 2 & Exposed Metal Of Switch

Courtesy of NISSAN MOTOR CO., U.S.A.

CONNECTOR TERMINAL CONTINUITY REFERENCE

	Terminals	Condition	Continuity
Door switch (front and rear)	2 - Ground	Released	Yes
Door switch (front and rear)	2 - Ground	Pressed	No

OK or NG

OK: Check door switch case ground condition.

NG: Replace door switch.