Diagnosis Procedure

REMOTE KEYLESS ENTRY RECEIVER


Description

Receives keyfob operation and transmits to BCM.




REMOTE KEYLESS ENTRY RECEIVER


Diagnosis Procedure

1.CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.
2. Check remote keyless entry receiver signal with an oscilloscope.










Is the inspection result normal?
YES - GO TO 2
NO - GO TO 4
2.REMOTE KEYLESS ENTRY RECEIVER 5-VOLT CIRCUIT INSPECTION





Check voltage between remote keyless entry receiver connector
M120 terminal 4 and ground.

4 - Ground : Approx. 5 volt.

Is the inspection result normal?
YES - GO TO 3
NO - GO TO 4
3.REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT INSPECTION





Check continuity between remote keyless entry receiver connector
M120 terminal 1 and ground.

1 - Ground : Continuity should exist.

Is the inspection result normal?
YES - Replace remote keyless entry receiver.
NO - GO TO 4
4.HARNESS INSPECTION BETWEEN BCM AND RKE RECEIVER
1. Disconnect remote keyless entry receiver and BCM connectors.





2. Check continuity between BCM connector M18 terminals 18, 19, 20 and remote keyless entry receiver connector M120 terminals 1, 2, 4.





3. Check continuity between remote keyless entry receiver connector M120 terminals 1, 2, 4 and ground.





Is the inspection result normal?
YES - Replace remote keyless entry receiver.
NO - Repair or replace the harness between the remote keyless entry receiver and BCM.