Front Door Switch LH Circuit Inspection

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

CHECK FUNCTION

With CONSULT-II

Touch "DOOR SW DR" on the DATA MONITOR, check ON/OFF operation when the front door is open and closed.

MONITOR ITEM DESCRIPTION

Monitor item [OPERATION or UNIT]		Contents
DOOR SW DR	"ON/OFF"	Door open (ON)/door closed (OFF) status judged from the front door switch is displayed.

Without CONSULT-II

GO TO 2.

OK or NG

OK: Front door switch LH circuit is OK.

NG: GO TO 2.

Fig 1: CONSULT-II Screen Display - DOOR SW DR On DATA MONITOR

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

CHECK FRONT DOOR SWITCH LH

Turn ignition switch OFF.
Disconnect front door switch LH.

Check continuity between front door switch LH terminal and ground part of door switch as follows.

TERMINALS CONTINUITY REFERENCE

Terminals		Condition	Continuity
1	Ground	With the front door switch LH pressed	No
1	Ground	With the front door switch LH released	Yes

Fig 2: Identifying Continuity Between Front Door Switch LH Terminal And Ground Part Of Door Switch

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

OK or NG

OK: GO TO 3.

NG: Replace front door switch LH.

CHECK HARNESS CONTINUITY
1. Disconnect BCM.
2. Check continuity between BCM connector M20 terminal 62 and front door switch LH connector B8 terminal 1.
  62 - 1: Continuity should exist.
3. Check continuity between BCM connector M20 terminal 62 and ground.
  62 - Ground: Continuity should not exist.
OK or NG

OK: Front door switch LH circuit is OK.

NG: Repair or replace harness.

Fig 3: Identifying Continuity Between BCM Connector M20 Terminal 62 And Front Door Switch LH Connector B8 Terminal 1
Courtesy of NISSAN MOTOR CO., U.S.A.