Remote Keyless Entry Receiver

REMOTE KEYLESS ENTRY RECEIVER

Description

Receives keyfob operation and transmits to BCM.


Component Function Check


1. CHECK FUNCTION

With CONSULT
Check remote keyless entry receiver "MULTI REMOTE ENT" in Data Monitor mode with CONSULT. Refer to
Testing and Inspection.





Is the inspection result normal?
YES- Remote keyless entry receiver is OK.
NO- .


Diagnosis Procedure

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

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. Service and Repair.
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.
1 - 18: Continuity should exist.
2 - 20: Continuity should exist.
4 - 19: Continuity should exist.
3.Check continuity between remote keyless entry receiver connector M120 terminals 1, 2, 4 and ground.
1 - Ground: Continuity should not exist.
2 - Ground: Continuity should not exist.
4 - Ground: Continuity should not exist.
Is the inspection result normal?
YES- Replace remote keyless entry receiver. Service and Repair.
NO- Repair or replace the harness between the remote keyless entry receiver and BCM.