Front Door Switch LH Circuit Inspection

WARNING: This page is about a different car, the 2007 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.

DATA MONITOR REFERENCE

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 Display - 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 CHART

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

OK or NG

OK: GO TO 3.

NG: Replace front door switch LH.

Fig 2: Checking Continuity Between Front Door Switch LH Terminal 1 And Ground Part Of Door Switch

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

CHECK HARNESS CONTINUITY
1. Disconnect BCM.
2. Check continuity between BCM connector M20 (A) terminal 47 and front door switch LH connector B8 (B) terminal 1.
  47 - 1 : Continuity should exist.
3. Check continuity between BCM connector M20 (A) terminal 47 and ground.
  47 - Ground : Continuity should not exist.
OK or NG

OK: Front door switch LH circuit is OK.

NG: Repair or replace harness.

Fig 3: Checking Continuity Between BCM Connector M20 Terminal 47 And Ground, And Between Connector M20 (A) Terminal 47 And Front Door Switch LH Connector B8 (B) Terminal 1
Courtesy of NISSAN MOTOR CO., U.S.A.