Check Door Switch (Except Back Door Switch)

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 DOOR SWITCH INPUT SIGNAL

With CONSULT-III

Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL" and "DOOR SW-RR") in "DATA MONITOR" mode with CONSULT-III.

DOOR SWITCH INPUT SIGNAL (WITH CONSULT-III)

Monitor item	Condition	DATA MONITOR
DOOR SW-DR	CLOSE ↓ OPEN:	OFF ↓ ON
DOOR SW-AS
DOOR SW-RL
DOOR SW-RR

Without CONSULT-III

Check voltage between BCM connector and ground.

Fig 1: Identifying Voltage Between And Ground

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

DOOR SWITCH INPUT SIGNAL (WITHOUT CONSULT-III)

Item	Connector	Terminals (Wire color)		Door condition	Voltage (V) (Approx.)
Item	Connector	(+)	(-)	Door condition	Voltage (V) (Approx.)
Driver side	B14	62 (W)	Ground	CLOSE ↓ OPEN	Battery voltage ↓ 0
Rear LH	B14	63 (P)
Passenger side	M3	12 (P/B)
Rear RH	M3	13 (P/L)

OK or NG

OK: Door switch circuit is OK.

NG: GO TO 2.

CHECK DOOR SWITCH CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect door switch and BCM connector.
3. Check continuity between door switch connector B26, B36, B46, B206 terminals 1 and BCM connector M3, B14 terminals 62, 12, 63, 13.
  Driver side door
  
  1 (W) - 62 (W) : Continuity should exist.
  
  Passenger side door
  
  1 (SB) - 12 (P/B) : Continuity should exist.
  
  Rear door LH
  
  1 (P) - 63 (P) : Continuity should exist.
  
  Rear door RH
  
  1 (P) - 13 (P/L) : Continuity should exist.
4. Check continuity between door switch connector B26, B36, B46, B206 terminal 1 and ground.
  1 (W, SB, P) - Ground : Continuity should not exist.
  
  Fig 2: Identifying Continuity Between Door Switch Connector B26, B36, B46, B206 Terminal 1 And Ground
  Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG

OK: GO TO 3.

NG: Repair or replace harness.

CHECK DOOR SWITCH

Check continuity between door switch terminal 1 and ground part of door switch.

Fig 3: Identifying Continuity Between Door Switch Terminal 1 And Ground

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

DOOR SWITCH

Terminal		Door switch condition	Continuity
1	Ground part of door switch	Pushed	No
1	Ground part of door switch	Released	Yes

OK or NG

OK: Check door switch case ground condition.

NG: Replace door switch.