Door Switch Check
- CHECK FRONT DOOR SWITCH INPUT SIGNAL
With CONSULT-III
Check front door switches ("DOOR SW-DR" and "DOOR SW-AS") in "DATA MONITOR" mode with CONSULT-III.
DATA MONITOR CHARTMonitor item Condition DOOR SW-DR OPEN: ON CLOSE: OFF DOOR SW-AS OPEN: ON CLOSE: OFF Without CONSULT-III
Check voltage between BCM connector and ground.
TERMINALS VOLTAGE CHARTItem Connector Terminals Condition Voltage (V) (Approx.) (+) (-) Front RH M18 12 Ground OPEN 0 CLOSE Battery voltage Front LH M19 47 OPEN 0 CLOSE Battery voltage OK or NG
OK >> Front door switch is OK.
NG >> GO TO 2.
- CHECK FRONT DOOR SWITCH CIRCUIT
- Turn ignition switch OFF.
- Disconnect front door switch LH or RH and BCM.
- Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and BCM connector M19 terminal 47 (LH) or connector M18 terminal 12 (RH).
Front LH
2 - 47: Continuity should exist.
Front 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.
- CHECK DOOR SWITCH
Check continuity between each front door switch terminal 2 and body ground part of front door switch.
TERMINALS CONTINUITY CHARTTerminal Door switch Continuity 2 Body ground part of front door switch Pushed No Released Yes Courtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
OK >> Replace BCM. Refer to "REMOVAL AND INSTALLATION OF BCM ".
NG >> Replace malfunctioning front door switch.