Door Switch Check
- CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-III
Check ("DOOR SW-DR" and "DOOR SW-AS") in BCM "DATA MONITOR" mode with CONSULT-III.
DATA MONITOR CONDITIONMonitor item Condition DOOR SW-DR DOOR OPEN: ON DOOR CLOSED: OFF DOOR SW-AS DOOR OPEN: ON DOOR CLOSED: OFF Without CONSULT-III
Check voltage between BCM connector M18, M19 terminals 12, 47 and ground.
VOLTAGE CHARTItem Terminal Condition Voltage (Approx.) (+) (-) Front door switch RH 12 Ground DOOR OPEN (Switch closed) 0 DOOR CLOSED (Switch open) Battery voltage Front door switch LH 47 DOOR OPEN (Switch closed) 0 DOOR CLOSED (Switch open) Battery voltage Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
OK: Door switch circuit is OK.
NG: GO TO 2.
- CHECK DOOR SWITCH CIRCUIT
- Turn ignition switch OFF.
- Disconnect door switch and BCM.
- Check continuity between BCM connector M18, M19 terminals 12, 47 and door switch connectors B8, B108 terminal 2.
Front door LH 47 - 2 : Continuity should exist.
Front door RH 12 - 2 : Continuity should exist.
- Check continuity between BCM connector M18, M19 terminals 12, 47 and ground.
12 - Ground : Continuity should not exist.
47 - Ground : Continuity should not exist.
OK or NG
OK: GO TO 3.
NG: Repair or replace harness.
- CHECK DOOR SWITCH
Check continuity between door switches terminal 2 and ground part of door switch.
CONTINUITY CHARTTerminal Door switch Continuity 2 Ground part of door switch Pushed No Released Yes Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
OK: GO TO 4.
NG: Replace malfunctioning door switch.
- CHECK BCM OUTPUT SIGNAL
- Connect BCM.
- Check voltage between BCM connector M18, M19 terminals 12, 47 and ground.
12 - Ground : Battery voltage
47 - Ground : Battery voltage
OK or NG
OK: Further inspection is necessary. Refer to "TROUBLE DIAGNOSIS CHART BY SYMPTOM ".
NG: Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".