Check Door Switch
WARNING: This page is about a different car, the 2008 Infiniti M45 and 2008 Infiniti M35. However, it is still accessible from the selected car via links, so may be relevant.
- CHECK DOOR SWITCH INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL" and "DOOR SW-RR") in "DATA MONITOR" mode with CONSULT-III.
MONITOR ITEM CHARTMonitor item Condition DOOR SW-DR CLOSE → OPEN: OFF → ON DOOR SW-AS DOOR SW-RL DOOR SW-RR Without CONSULT-III
- Turn ignition switch OFF.
- Check voltage between BCM connector and ground.TERMINAL VOLTAGE CHART
Terminals Door condition Voltage (V) (Approx.) (+) (-) BCM connector Terminal M1 12 Ground Front passenger side OPEN 0 CLOSE Battery voltage 13 Rear RH side OPEN 0 CLOSE Battery voltage M3 62 Driver side OPEN 0 CLOSE Battery voltage 63 Rear LH side OPEN 0 CLOSE Battery voltage
OK or NG
OK: Door switch circuit is OK.
NG: GO TO 2.
- CHECK DOOR SWITCH
- Turn ignition switch OFF.
- Disconnect door switch connector.
- Check door switch.TERMINAL CONTINUITY CHART
Terminal Door switch Continuity Door switch 2 Ground part of door switch Pushed No Released Yes
OK or NG
OK: GO TO 3.
NG: Replace malfunction door switch.
- CHECK DOOR SWITCH CIRCUIT
- Disconnect BCM connector.
- Check continuity between BCM connector and door switch connector.CONTINUITY CHART
A B Continuity BCM connector Terminal Door switch connector Terminal M1 12 B35 2 Yes 13 B403 M3 62 B11 63 B53 - Check continuity between BCM connector and ground.CONTINUITY CHART
A Ground Continuity BCM connector Terminal M1 12 No 13 M3 62 63
OK or NG
OK: GO TO 4.
NG: Repair or replace harness between BCM and door switch.
- CHECK BCM OUTPUT SIGNAL
- Connect BCM connector.
- Check voltage between BCM connector and ground.TERMINAL VOLTAGE CHART
Terminals Voltage (V) (Approx.) (+) (-) BCM connector Terminal M1 12 Ground Battery voltage 13 M3 62 63
OK or NG
OK: Check the condition of harness and connector.
NG: Replace BCM.