Door Switch Check

TROUBLE DIAGNOSIS

Door Switch Check


1. CHECK DOOR SWITCH INPUT SIGNAL

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





Without CONSULT





Check voltage between BCM connector M18, M19 terminals 12, 47
and ground.





OK or NG
OK- Door switch circuit is OK.
NG- GO TO 2.

2. CHECK DOOR SWITCH CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect door switch and BCM.
3.Check continuity between BCM connector M18, M19 terminals
12, 47 and door switch connectors B8, B108 terminal 2.
Front door LH
47 - 2: Continuity should exist.

Front door RH
12 - 2: Continuity should exist.

4.Check continuity between BCM connector M18, M19 terminals 12, 47 and ground.
12 - Ground: Continuity should not exist.
47 - Ground: Continuity should not exist.
OK or NG
OK- GO TO 3.
NG- Repair or replace harness.

3. CHECK DOOR SWITCH






Check continuity between door switches terminal 2 and ground part of door switch.





OK or NG
OK- GO TO 4.
NG- Replace malfunctioning door switch.

4. CHECK BCM OUTPUT SIGNAL






1.Connect BCM.
2.Check voltage between BCM connector M18, M19 terminals 12, 47 and ground.
12 - Ground: Battery voltage
47 - Ground: Battery voltage
OK or NG
OK- Further inspection is necessary. Trouble Diagnosis Chart by Symptom .
NG- Replace BCM. Service and Repair .