Door Switch

DOOR SWITCH

Description

Detects door open/close condition.


Component Function Check


1. CHECK FUNCTION

With CONSULT
Check door switches in data monitor mode with CONSULT.





Is the inspection result normal?
YES- Door switch is OK.
NO- .


Diagnosis Procedure

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

1. CHECK DOOR SWITCHES INPUT SIGNAL

With CONSULT
Check door switches ("DOOR SW-DR", "DOOR SW-AS") in DATA MONITOR mode with CONSULT.
- When doors are open:
DOOR SW-DR:ON
DOOR SW-AS:ON

- When doors are closed:
DOOR SW-DR:OFF
DOOR SW-AS:OFF

Without CONSULT
Check voltage between BCM connector M18 or M19 terminals 12, 47 and ground.





Is the inspection result normal?
YES- Door switch circuit is OK.
NO- GO TO 2

2. CHECK DOOR SWITCH CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect door switch and BCM connectors.
3.Check continuity between BCM connector M18, M19 terminals 12, 47 and door switch connector B8 (Front LH), B108 (Front RH) terminal 2.

2 - 47:Continuity should exist
2 - 12:Continuity should exist

4.Check continuity between door switch connector B8 (Front LH), B108 (Front RH) terminal 2 and ground.
2 - Ground:Continuity should not exist
Is the inspection result normal?
YES- GO TO 3
NO- Repair or replace harness.

3. CHECK DOOR SWITCHES

- Disconnect door switch harness.
- Check continuity between door switch terminal and ground.





Is the inspection result normal?
YES- Replace BCM. Service and Repair.
NO- Replace front door switch.