Door Switch Check

With CONSULT-II 

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

Fig 1: Identifying CONSULT-II Display - Data Monitor

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

Without CONSULT-II 

1. Turn ignition switch OFF.
2. Check voltage between BCM connector and ground.
   Fig 2: Checking Voltage Between BCM Connector And Ground

   Courtesy of NISSAN MOTOR CO., U.S.A.
   VOLTAGE BETWEEN BCM CONNECTOR AND GROUND REFERENCE
   
   

   Item	Connector	Terminals (Wire color)		Condition	Voltage (V) (Approx.)
   		(+)	(-)
   Front RH	M19	12 (R/L)	Ground	OPEN	0
   				CLOSE	Battery voltage
   Front LH	M20	47 (SB)		OPEN	0
   				CLOSE	Battery voltage

OK or NG

• OK : Front door switches are OK.
• NG : GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect front door switch LH or RH and BCM.
3. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and BCM connector M19 terminal 47 (LH) or connector M18 terminal 12 (LH).

   Front door switch LH 

   2 (SB) - 47 (SB) : Continuity should exist  .

   Front door switch RH 

   2 (R/L) - 12 (R/L) : Continuity should exist  .

4. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.

   2 (SB or R/L) - Ground : Continuity should not exist  .

Fig 3: Checking Continuity Between Front Door Switch Connector B8 Or B108 Terminal 2 And BCM Connector M19 Terminal 47 And Ground Or Connector M18 Terminal 12
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

• OK : GO TO 3.
• NG : Repair or replace harness.

Check continuity between each front door switch terminal 2 and body ground part of front door switch.

Fig 4: Checking Continuity Between Front Door Switch Terminal 2 And Body Ground

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

OK or NG

• OK : Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
• NG : Replace malfunctioning front door switch.