Diagnosis Procedure: Notes
WARNING: This page is about a different car, the 2011 Nissan Xterra. However, it is still accessible from the selected car via links, so may be relevant.
Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".
- CHECK FRONT DOOR SWITCH
Check voltage between BCM connector and ground.
TERMINALS VOLTAGE REFERENCE CHARTTerminals Door condition Voltage (V) (Approx.) (+) (-) BCM connector Terminal M18 12 Ground Front door RH OPEN 0 CLOSE Battery voltage M19 47 Front door LH OPEN 0 CLOSE Battery voltage Is the measurement value within the specification?
YES: Door switch circuit is OK.
NO: GO TO 2
- CHECK HARNESS CONTINUITY
- Turn ignition switch OFF.
- Disconnect BCM and front door switch.
- Check continuity between BCM connector and front door switch connector.TERMINALS CONTINUITY REFERENCE CHART
BCM connector Terminal Front door switch connector Terminal Continuity M18 12 RH: B108 2 Yes M19 47 LH: B8 - Check continuity between front door switch connector and ground.TERMINALS CONTINUITY REFERENCE CHART
Front door switch connector Terminal Ground Continuity B8 (LH) 2 No B108 (RH) Is the inspection result normal?
YES: GO TO 3
NO: Repair or replace harness.
- CHECK BCM OUTPUT SIGNAL
- Connect BCM connector.
- Check voltage between BCM connector and ground.TERMINALS VOLTAGE REFERENCE CHART
Terminal Voltage (V) (Approx.) (+) (-) BCM connector Terminal M18 12 Ground Battery voltage M19 47 Is the measurement value within the specification?
YES: GO TO 4
NO: Replace BCM. Refer to "REMOVAL AND INSTALLATION ".
- CHECK FRONT DOOR SWITCH
Check front door switch.
Refer to "COMPONENT INSPECTION ".
Is the inspection result normal?
YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".
NO: Replace front door switch.