Door Switch Check

WARNING: This page is about a different car, the 2004 Nissan Maxima. 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 Conditions
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: CONSULT-II Display - Data Monitor
Courtesy of NISSAN MOTOR CO., U.S.A.

Without CONSULT-II

Check voltage between BCM connector and ground.

Fig 3: BCM Connector Terminal Specifications
Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Measuring Voltage Between BCM Connector And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG
- OK: Door switches are OK.
- NG: GO TO 2.
CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect front door switches and BCM.
3. Check continuity between front door switch connector B8 (LH) or B102 (RH) terminal 2 and BCM connector M18, M20 terminals 12, 62.
  Front door switch LH
  
  2 (SB) - 62 (SB): Continuity should exist.
  
  Front door switch RH
  
  2 (BR/W) - 12 (BR/W): Continuity should exist.
4. Check continuity between front door switch connector B8 (LH) or B102 (RH) terminal 2 and ground.
  2 (SB or BR/W) - Ground: Continuity should not exist.
  
  OK or NG
  - OK: GO TO 3.
  - NG: Repair or replace harness.
    
    Fig 5: Measuring Continuity Between Front Door Switch Connector B8 (LH) or B102 (RH) terminal 2 and ground
    Courtesy of NISSAN MOTOR CO., U.S.A.
5. CHECK DOOR SWITCH
  Check continuity between each door switch terminal 2 and body ground part of door switch.
  
  Fig 6: Continuity Table
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  OK or NG
  - OK: Further inspection is necessary. Refer to "TROUBLE DIAGNOSIS CHART BY SYMPTOM ".
  - NG: Replace malfunctioning door switch.
    
    Fig 7: Checking Continuity Between Each Door Switch Terminal 2 And Body Ground Part Of Door Switch
    Courtesy of NISSAN MOTOR CO., U.S.A.