Front Door Switch (Driver Side) Signal Inspection

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.

CHECK BCM INPUT SIGNAL
With CONSULT-III
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
  
  Without CONSULT-III
  
  Check voltage between BCM harness connector B14 terminal 62 and ground.
  
  62 - 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.
CHECK FRONT DOOR SWITCH (DRIVER SIDE) CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect BCM connector and front door switch (driver side) connector.
3. Check continuity between BCM harness connector B14 terminal 62 and front door switch (driver side) harness connector B26 terminal 1.
  62 - 1 : Continuity should exist.
4. Check continuity between BCM harness connector B14 terminal 62 and ground.
  62 - Ground : Continuity should not exist.
  
  Fig 1: Identifying Continuity Between BCM Harness Connector B14 Terminal 62 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 3.

NG: Repair harness or connector.
CHECK FRONT DOOR SWITCH (DRIVER SIDE)

Check front door switch (driver side). Refer to "FRONT DOOR SWITCH (DRIVER SIDE) ".

OK or NG

OK: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".

NG: Replace front door switch (driver side).