Door Switch

DOOR SWITCH

Description

Detects door open/close condition and transmits the signal to BCM.


Component Function Check


1. CHECK FRONT DOOR SWITCH INPUT SIGNAL

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





Is the inspection result normal?
YES- Front door switch circuit is OK.
NO- .


Diagnosis Procedure

Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

1. CHECK FRONT DOOR SWITCH






Check voltage between BCM connector and ground.





Is the measurement value within the specification?
YES- Door switch circuit is OK.
NO- GO TO 2

2. CHECK HARNESS CONTINUITY






1.Turn ignition switch OFF.
2.Disconnect BCM and front door switch.
3.Check continuity between BCM connector and front door switch connector.





4.Check continuity between front door switch connector and ground.





Is the inspection result normal?
YES- GO TO 3
NO- Repair or replace harness.

3. CHECK BCM OUTPUT SIGNAL






1.Connect BCM connector.
2.Check voltage between BCM connector and ground.





Is the measurement value within the specification?
YES- GO TO 4
NO- Replace BCM. Service and Repair.

4. CHECK FRONT DOOR SWITCH

Check front door switch.
.
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Replace front door switch.


Component Inspection


1. CHECK FRONT DOOR SWITCH






Check front door switches.





Is the inspection result normal?
YES- Front door switch is OK.
NO- Replace front door switch.