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: 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.
   CONNECTOR TERMINAL CHECK CHART
   
   

   Item	Connector	Terminals		Condition	Voltage (V) (Approx.)
   		(+)	(-)
   Front RH	M19	12	Ground	OPEN	0
   				CLOSE	Battery voltage
   Front LH	M20	47		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 - 47: Continuity should exist. 

   Front door switch RH 

   2 - 12: Continuity should exist. 

   Fig 3: Checking Continuity Between Front Door Switch Connector B8 Or B108 Terminal 2 And BCM Connector M19 Terminal 47 Or Connector M18 Terminal 12

   Courtesy of NISSAN MOTOR CO., U.S.A.
4. Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.

   2 - Ground: Continuity should not exist. 

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 Each Front Door Switch Terminal 2 And Body Ground Part Of Front Door Switch

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

OK or NG 

OK: Replace BCM. Refer to "BCM ".

NG: Replace malfunctioning front door switch.