Door Switch Check

1. CHECK DOOR SWITCH INPUT SIGNAL 

   With CONSULT-II 

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

   MONITOR CONDITION CHART
   
   

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

   Fig 1: CONSULT II Display - Data Monitor

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

   Without CONSULT-II 

   Check voltage between BCM connector and ground.

   TERMINAL VOLTAGE REFERENCE
   
   

   Terminals			Door condition		Voltage (V) (Approx.)
   (+)		(-)
   BCM connector	Terminal
   M1	12	Ground	Passenger side	OPEN	0
   				CLOSE	Battery voltage
   M3	62		Driver side	OPEN	0
   				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 circuit is OK.

   NG: GO TO 2.

2. CHECK HARNESS CONTINUITY 
   1. Turn ignition switch OFF.
   2. Disconnect BCM and door switch connector.
   3. Check continuity between BCM connector and door switch connector.
      CONNECTOR TERMINAL CONTINUITY CHART
      
      

      A		B		Continuity
      BCM connector	Terminal	Door switch connector	Terminal
      M1	12	B35	2	Yes
      M3	62	B11

   4. Check continuity between BCM connector ground.
   CONNECTOR TERMINAL CONTINUITY CHART
   
   

   A		Ground	Continuity
   BCM connector	Terminal
   M1	12		No
   M3	62

   Fig 3: Checking Continuity Between BCM Connector Ground

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

   OK or NG 

   OK: GO TO 3.

   NG: Repair or replace harness.

3. CHECK DOOR SWITCH 

   Check door switches.

   CONNECTOR TERMINAL CONTINUITY CHART
   
   

   Terminal		Door switch	Continuity
   Door switches
   2	Ground part of door switch	Pushed	No
   		Released	Yes

   Fig 4: Checking Door Switches Continuity

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

   OK or NG 

   OK: GO TO 4.

   NG: Replace malfunction door switch.

4. CHECK BCM OUTPUT SIGNAL 

1. Connect BCM connector.
2. Check voltage between BCM connector ground.

Fig 5: Checking Voltage Between BCM Connector Ground

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

OK or NG 

OK: Further inspection is necessary, Refer to SYMPTOM CHART .

NG: Replace BCM.