Door Switch Check (Crew Cab)

WARNING: This page is about a different car, the 2005 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 ".

When any doors are open:
DOOR SW-DR : ON

DOOR SW-AS : ON

DOOR SW-RL : ON

DOOR SW-RR : ON
When any doors are closed:
DOOR SW-DR : OFF

DOOR SW-AS : OFF

DOOR SW-RL : OFF

DOOR SW-RR : OFF

Fig 1: Checking Door Switches With CONSULT-II (Crew Cab)
Courtesy of NISSAN MOTOR CO., U.S.A.

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.

VOLTAGE BETWEEN BCM CONNECTOR M18 OR M19 TERMINALS 12, 13, 47, 48 AND GROUND REFERENCE

Connector	Item	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Connector	Item	(+)	(-)	Condition	Voltage (V) (Approx.)
M19	Front door switch LH	47 (SB)	Ground	Open \| v Closed	0 \| v Battery voltage
M19	Rear door switch LH	48 (R/Y)
M18	Front door switch RH	12 (R/L)
M18	Rear door switch RH	13 (GR)

OK or NG

OK : System 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 (SB) - 47 (SB) : Continuity should exist
  
  2 (R/L) - 12 (R/L) : Continuity should exist
  
  2 (R/Y) - 48 (R/Y) : Continuity should exist
  
  2 (GR) - 13 (GR) : 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 (SB, R/L, R/Y or GR) -Ground : Continuity should not exist
  
  Fig 3: Checking Continuity Between Door Switch Connector B8, B108, B18, B116 Terminal 2 And BCM Connector M18, M19 Terminals 12, 13, 47 And 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

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.

DOOR SWITCH TERMINAL CONTINUITY REFERENCE

	Terminal	Condition	Continuity
Door switch (front and rear)	2 - Ground	Open	Yes
Door switch (front and rear)	2 - Ground	Closed	No

OK or NG

OK : Check door switch case ground condition.
NG : Replace door switch.