WARNING: This page is about a different car, the 2003 Nissan Murano. However, it is still accessible from the selected car via links, so may be relevant.

CHECK DOOR SWITCH INPUT SIGNAL 1

With CONSULT-II

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

MONITOR ITEM CONDITION

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 DOOR SW-DR And DOOR SW-AS In DATA MONITOR Mode

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

Without CONSULT-II

Check voltage between BCM connector and ground.

CONNECTOR TERMINAL VOLTAGE

Item	Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Item	Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
Passenger side	M34	10 (R)	Ground	OPEN	0
Passenger side		10 (R)		CLOSE	Battery voltage
Driver side		14 (SB)		OPEN	0
Driver side		14 (SB)		CLOSE	Battery voltage

OK or NG

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

Fig 2: Checking Voltage Between BCM Connector And Ground

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

CHECK HARNESS CONTINUITY
1. Disconnect BCM connector.
2. Check continuity between BCM connector M34 terminals 10, 14 and front door lock assembly connector D10, D38 terminal 4.
  1. Driver side
  2. 14 (SB) - 4 (SB) : Continuity should exist.
  3. Passenger side
  4. 10 (R) - 4 (R) : Continuity should exist.
3. Check continuity between BCM connector M34 terminals 10, 14 and ground.
  1. 10 (R) - Ground : Continuity should not exist.
  2. 14 (SB) - Ground : Continuity should not exist.
Fig 3: Checking Continuity Between BCM Connector M34 Terminals 10, 14 And Front Door Lock Assembly Connector D10, D38 Terminal 4, And Between BCM Connector M34 Terminals 10, 14 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK : GO TO 3.
2. NG : Repair or replace harness.

CHECK DOOR SWITCH

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

TERMINAL CONTINUITY

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

OK or NG

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

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

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

CHECK BCM OUTPUT SIGNAL

Connect BCM connector.
Check voltage between BCM connector and ground.

CONNECTOR TERMINAL VOLTAGE

Item	Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
Item	Connector	(+)	(-)	Condition	Voltage (V) (Approx.)
Passenger side	M34	10 (R)	Ground	OPEN	0
Passenger side		10 (R)		CLOSE	Battery voltage
Driver side		14 (SB)		OPEN	0
Driver side		14 (SB)		CLOSE	Battery voltage

OK or NG

OK : Check the condition of the harness and the connector.
NG : Replace BCM.

Fig 5: Checking Voltage Between BCM Connector And Ground

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

When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

• You smell fuel, burning insulation, or see smoke.

• Brakes feel soft, pull hard to one side, or make grinding noises.

• The engine overheats, stalls repeatedly, or misfires under load.

• You are missing required tools, torque specs, or safe lifting equipment.

• You are not confident in the next step or safety outcome.

Safety Warning

Door Switch Check

Use the Manual With the Right Hardware

When to See a Mechanic

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