Operation CHARM: Car repair manuals for everyone.

Door Switch Check




POWER WINDOW SYSTEM

Door Switch Check


1. CHECK FRONT DOOR SWITCH INPUT SIGNAL

With CONSULT
Check front door switches ("DOOR SW-DR" and "DOOR SW-AS") in "DATA MONITOR" mode with CONSULT.





Without CONSULT





Check voltage between BCM connector and ground.





OK or NG
OK- Front door switch is OK.
NG- GO TO 2.

2. CHECK FRONT DOOR SWITCH CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect front door switch LH or RH and BCM.
3.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.

4.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.

3. CHECK DOOR SWITCH






Check continuity between each front door switch terminal 2 and body ground part of front door switch.





OK or NG
OK- Replace BCM. Service and Repair .
NG- Replace malfunctioning front door switch.