Door Switch Check

WARNING: This page is about a different car, the 2005 Infiniti G35. 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.

Fig 1: Door Switch Condition Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: "DOOR SW-DR" And "DOOR SW-AS" In Data Monitor Display
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Check voltage between BCM connector M1, B4 terminals 12, 62 and ground.

Fig 3: BCM Connector M1, B4 Terminals 12, 62 And Ground Voltage Table
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Checking Voltage Between BCM Connector M1, B4 Terminals 12, 62 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: Door switch is OK.
2. NG: GO TO 2.
CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between BCM connector M1, B4 terminals 12, 62 and door switch connector B17, B410 terminals 1.
  Driver side door
  
  62 (Y) -1 (G/B): Continuity should exist.
  
  Passenger side door
  
  12 (P) -1 (P): Continuity should exist.
4. Check continuity between BCM connector M1, B4 terminals 12, 62 and ground.
  12 (P) - Ground: Continuity should not exist.
  
  62 (Y) - Ground: Continuity should not exist.
OK or NG
1. OK: GO TO 3.
2. NG: Repair or replace harness.
Fig 5: Checking Continuity Between BCM Connector M1, B4 Terminals And Door Switch Connector B17, B410 Terminals, And Between BCM Connector M1, B4 Terminals And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DOOR SWITCH
Check continuity between door switch B17 (driver side) or B410 (passenger side) terminal 1 and body ground part of door switch.

Fig 6: Door Switch B17 Or B410 Terminal 1 And Body Ground Part Of Door Switch Continuity Table
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
1. OK: GO TO 4.
2. NG: Replace malfunction door switch.
Fig 7: Checking Continuity Between Door Switch B17 Or B410 Terminal 1 And Body Ground Part Of Door Switch
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK BCM OUTPUT SIGNAL
1. Connect BCM connector.
2. Check voltage between BCM connector M1, B4 terminals 12, 62 and ground.
  12 (P) - Ground: Battery voltage
  
  62 (Y) - Ground: Battery voltage
OK or NG
1. OK: Further inspection is necessary. Refer to TROUBLE DIAGNOSES SYMPTOM CHART .
2. NG: Replace BCM.
Fig 8: Checking Voltage Between BCM Connector M1, B4 Terminals And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.