Door Switch Check

REMOTE KEYLESS ENTRY SYSTEM

Door Switch Check


1. CHECK DOOR SWITCHES INPUT SIGNAL

With CONSULT
Check door switches ("DOOR SW-DR", "DOOR SW-AS", "DOOR SW-RL", "DOOR SW-RR") in DATA MONITOR mode with CONSULT. Scan Tool Testing and Procedures.
- When any doors are open:
DOOR SW-DR: ON
DOOR SW-AS: ON
DOOR SW-RL: ON
DOOR SW-RR: ON
- When any doors are closed:
DOOR SW-DR: OFF
DOOR SW-AS: OFF
DOOR SW-RL: OFF
DOOR SW-RR: OFF
Without CONSULT
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.
2 - 47: Continuity should exist.
2 - 12: Continuity should exist.
2 - 48: Continuity should exist.
2 - 13: Continuity should exist.
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.
12 - Ground: Battery voltage
13 - Ground: Battery voltage
47 - Ground: Battery voltage
48 - Ground: Battery voltage
OK or NG
OK- Door switch circuit is OK.
NG- Replace BCM. Service and Repair.