Door Switch Check

WARNING: This page is about a different car, the 2004 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR SWITCH INPUT SIGNAL

With CONSULT-II

Check door switches ("DOOR SW-DR" and "DOOR SW-AS") in "DATA MONITOR" mode with CONSULT-II.

MONITOR ITEM AND CONDITION CHART

Monitor item	Condition
DOOR SW-DR	OPEN: ON
DOOR SW-DR	CLOSE: OFF
DOOR SW-AS	OPEN: ON
DOOR SW-AS	CLOSE: OFF

Fig 1: Displaying Data Monitor

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

Without CONSULT-II

Check voltage between BCM connector and ground.

VOLTAGE CHECK CHART

Item	Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Item	Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
Passenger side	M34	12 (SB)	Ground	OPEN	0
Passenger side	M34	12 (SB)		CLOSE	Battery voltage
Driver side	M36	62 (R)		OPEN	0
Driver side	M36	62 (R)		CLOSE	Battery voltage

Fig 2: Checking Voltage Between BCM Connector And Ground

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

OK or NG

OK: Door switch is OK.
NG: GO TO 2.

CHECK HARNESS CONTINUITY
1. Turn ignition switch OFF.
2. Disconnect BCM and front door lock assembly (driver side and passenger side) connector.
3. Check continuity between BCM connector M34, 36 terminals 12, 62 and front door lock assembly connector D10 (driver side), D38 (passenger side) terminal 4.
  Driver side
  
  62 (SB) - 4 (SB): Continuity should exist.
  
  Passenger side
  
  12 (R/G) - 4 (R/G): Continuity should exist.
4. Check continuity between BCM connector M34, 36 terminals 12, 62 and ground.
  12 (R/G) - Ground: Continuity should not exist.
  
  62 (SB) - Ground: Continuity should not exist.
  
  Fig 3: Checking Continuity Between BCM Connector M34, 36 Terminals 12, 62 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace harness between BCM and front door lock assembly.

CHECK DOOR SWITCH

Check continuity between front door lock assembly terminal 4 and 5.

CONTINUITY CHECK CHART

Terminal		Door switch	Continuity
4	5	OPEN	No
4	5	CLOSE	Yes

Fig 4: Checking Continuity Between Front Door Lock Assembly Terminal 4 And 5

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

OK or NG

OK: GO TO 4.
NG: Replace malfunction front door lock assembly.

CHECK DOOR SWITCH GROUND CIRCUIT
1. Check continuity between front door lock assembly connector D10 (driver side), D38 (passenger side) terminal 5 and ground.
  5 (B) - Ground: Continuity should exist.
  
  Fig 5: Checking Continuity Between Front Door Lock Assembly Connector D10 (Driver Side), D38 (Passenger Side) Terminal 5 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
1. OK: Check the condition of the harness and the connector.
2. NG: Repair or replace harness between front door lock assembly and ground.