Door Switch Check
- CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check door switches ("DOOR SW-DR" and "DOOR SW-AS") in "DATA MONITOR" mode with CONSULT-II.
MONITOR ITEM CONDITIONMonitor item Condition DOOR SW-DR Door open : ON Door closed : OFF DOOR SW-AS Door open : ON Door closed : OFF Without CONSULT-II
- Turn ignition switch OFF.
- Check voltage between BCM connector and ground.TERMINAL VOLTAGE SPECIFICATION
Item Connector Terminals Condition Voltage (V) (Approx) (+) (-) RH M18 12 Ground Door OPEN (switch closed) 0 Door CLOSED (switch open) Battery voltage LH M19 47 Door OPEN (switch closed) 0 Door CLOSED (switch open) Battery voltage
OK or NG
OK: Door switches are OK.
NG: GO TO 2.
- CHECK DOOR SWITCH CIRCUIT
- Disconnect front door switches and BCM.
- Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and BCM connectors M18, M19 terminals 12, 47.
Front door LH
2 - 47: Continuity should exist.
Front door RH
2 - 12: Continuity should exist.
- Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.
2 - Ground: Continuity should not exist.
OK or NG
OK: GO TO 3.
NG: Repair or replace harness between BCM and sunroof motor assembly.
- CHECK DOOR SWITCH
Check continuity between each door switch terminal 2 and body ground part of door switch.
TERMINAL CONTINUITYTerminals Condition Continuity 2 Body ground part of door switch Door switch pushed No Door switch 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 connector.
- Check voltage between BCM connector M18 terminal 12, M19 terminal 47 and ground.
12 - Ground: Battery voltage
47 - Ground: Battery voltage
OK or NG
OK: Check the condition of the harness and the connector.
NG: Replace BCM. Refer to , "REMOVAL AND INSTALLATION OF BCM ".