Driver Side Door Switch Signal Inspection

WARNING: This page is about a different car, the 2006 Infiniti G35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BCM INPUT SIGNAL
With CONSULT-ll
1. Select "BCM".
2. With "DATA MONITOR" of "BUZZER", confirm "DOOR SW-DR" when the driver side door is operated.
  "DOOR SW-DR"
  
  When driver side door is opened: ON
  
  When driver side door is closed: OFF
  
  Fig 1: CONSULT-II Display - DATA MONITOR
  Courtesy of NISSAN MOTOR CO., U.S.A.
Without CONSULT-ll

Check voltage between BCM harness connector B4 terminal 62 (Y) and ground.

62 (Y) - Ground

When driver side door is opened: Approx. 0 V

When driver side door is closed: Approx. 12 V

OK or NG

OK: INSPECTION END

NG: GO TO 2.

Fig 2: Identifying Voltage Between BCM Harness Connector B4 Terminal 62 (Y) And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.
CHECK DRIVER SIDE DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and driver side door switch connector.
3. Check continuity between BCM harness connector B4 terminal 62 (Y) and driver side door switch harness connector B17 terminal 1 (G/B).
  62 (Y) - 1 (G/B): Continuity should exist .
4. Check continuity between BCM harness connector B4 terminal 62 (Y) and ground.
  
  Fig 3: Identifying Continuity Between BCM Harness Connector B4 Terminal 62 (Y) And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
  
  62 (Y) - Ground: Continuity should not exist .
OK or NG

OK: GO TO 3.

NG: Repair harness or connector.
CHECK DRIVER SIDE DOOR SWITCH
Check driver side door switch. Refer to "DRIVER SIDE DOOR SWITCH ".

OK or NG

OK: Replace BCM. Refer to "Removal and Installation of BCM ".

NG: Replace driver side door switch.