Door Switch Check

REMOTE KEYLESS ENTRY SYSTEM


Door Switch Check

1.CHECK DOOR SWITCHES INPUT SIGNAL
With CONSULT-III
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR") in DATA MONITOR mode with CONSULT�III. Scan Tool Testing and Procedures.
- When any doors are open:






- When any doors are closed:






Without CONSULT-III
Check voltage between BCM connector M18 or M19 terminals 12, 13, 47, 48 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 door switch connector B21 (Front LH), B28 (Front RH), B26 (Rear LH), B41
(Rear RH) terminal 2 and BCM connector M18, M19 terminals 12, 13, 47 and 48.










4. Check continuity between door switch connector B21 (Front
LH), B28 (Front RH), B26 (Rear LH), B41 (Rear 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 SWITCHES





Check continuity between door switch terminals.





OK or NG
OK - GO TO 4.
NG - Replace door switch.
4.CHECK BCM OUTPUT VOLTAGE
1. Reconnect BCM connectors.





2. Check voltage between BCM connector M18, M19 terminals 12, 13, 47, 48 and ground.






OK or NG
OK - Door switch circuit is OK.
- Replace BCM. Service and Repair.