Door Switch Check (King 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") 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
When doors are closed:
DOOR SW-DR: OFF

DOOR SW-AS: OFF

Without CONSULT-II

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

Fig 2: Checking Voltage Between BCM Connector M18 Or M19 Terminals 12, 47 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	Door switches LH	47	Ground	Open then Closed	0 then Battery voltage
M18	Door switches RH	12	Ground	Open then Closed	0 then Battery voltage

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) terminal 2, B73 (Rear upper LH), B156 (Rear upper RH), B74 (Rear lower LH), B157 (Rear lower RH) terminal 1 and BCM connector M18, M19 terminals 12, and 47.
  2 - 47: Continuity should exist
  
  2 - 12: Continuity should exist
  
  1 - 47: Continuity should exist
  
  1 - 12: Continuity should exist
4. Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2, B73 (Rear upper LH), B156 (Rear upper RH), B74 (Rear lower LH), B157 (Rear lower RH) terminal 1 and ground.
  2 - Ground: Continuity should not exist
  
  1 - Ground: Continuity should not exist
  
  Fig 3: Checking Continuity Between Door Switch Connector B8, B108 Terminal 2, B73, B156, B74, B157 Terminal 1, BCM Connector M18, M19 Terminals 12, 47 & Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

CHECK DOOR SWITCHES

Disconnect door switch.

Check continuity between door switch terminals.

Fig 4: Checking Continuity Between Door Switch Terminals

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

CONNECTOR TERMINAL CONTINUITY REFERENCE

	Terminals	Condition	Continuity
Door switches (front)	2 - 3	Open	No
Door switches (front)	2 - 3	Closed	Yes
Door switches (rear upper and lower)	1 - 2	Open	No
Door switches (rear upper and lower)	1 - 2	Closed	Yes

OK or NG

OK: Repair or replace harness.

NG: Replace door switch.