Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Door Switch Check
- CHECK FRONT DOOR SWITCH INPUT SIGNAL
With CONSULT-II
Check front door switches ("DOOR SW-DR" and "DOOR SW-AS" ) in "DATA MONITOR" mode with CONSULT-II.
MONITOR ITEM AND CONDITIONMonitor item Condition DOOR SW-DR OPEN: ON CLOSE: OFF DOOR SW-AS OPEN: ON CLOSE: OFF Without CONSULT-II
Check voltage between BCM connector and ground.
BCM CONNECTORS VOLTAGEItem Connector Terminals (Wire color) Condition Voltage (V) (Approx.) (+) (-) Front RH M18 12 (GY/L) Ground OPEN 0 CLOSE Battery voltage Front LH M20 62 (GY/R) 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 connector.
- Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 1 and BCM connector M18 terminal 12 and connector M20 terminal 62.
- Front LH
- 1 (GY/R) -62 (GY/R): Continuity should exist.
- Front RH
- 1 (GY/L) -12 (GY/L): Continuity should exist.
- Check continuity between front door switch connector B8 (LH) or B108 (RH) terminal 2 and ground.
- 1 (GY/R or GY/L) - Ground: Continuity should not exist.
Fig 3: Checking Continuity Between Front Door Switch Connector Terminals And BCM Connector TerminalsCourtesy of NISSAN MOTOR CO., U.S.A.
OK or NG
- OK: GO TO 3.
- NG: Repair or replace harness.
- CHECK DOOR SWITCH
- Disconnect front door switch LH or RH.
- Check continuity between each front door switch terminal 1 and body ground part of front door switch.
FRONT DOOR SWITCH TERMINALS CONTINUITYTerminal Door switch Continuity 1 Body ground part of front door switch Pushed No Released Yes OK or NG
- OK: Further inspection is necessary. Refer to symptom chart.
- NG: Replace malfunctioning front door switch.
Use the Manual With the Right Hardware
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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