Sedan Without Intelligent Key

REMOTE KEYLESS ENTRY RECEIVER


Description

Receives keyfob operation and transmits to BCM.





REMOTE KEYLESS ENTRY RECEIVER


Diagnosis Procedure

Regarding Wiring Diagram information, refer to Remote Keyless Entry System.
1.CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
1. Turn ignition switch OFF.





2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.






Is the inspection result normal?
YES - GO TO 7
NO - GO TO 2
2.CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
1. Disconnect remote keyless entry receiver connector.





2. Check signal between remote keyless entry receiver connector and ground with oscilloscope.






Is the inspection result normal?
YES - GO TO 4
NO - GO TO 3
3.CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1
1. Disconnect BCM connector.





2. Check continuity between BCM connector and remote keyless entry receiver connector.





3. Check continuity between BCM connector and ground.






Is the inspection result normal?
YES - Reconnect BCM, GO TO 4
NO - Repair or replace harness between BCM and remote keyless entry receiver.
4.CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT





Check continuity between remote keyless entry receiver connector and ground.





Is the inspection result normal?
YES - GO TO 6
NO - GO TO 5
5.CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 2





Check continuity between BCM connector and remote keyless entry receiver connector.





Is the inspection result normal?
YES - GO TO 7
NO - Repair or replace harness between BCM and remote keyless entry receiver.
6.CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 3





1. Check continuity between BCM connector and remote keyless entry receiver connector.





2. Check continuity between BCM connector and ground.






Is the inspection result normal?
YES - GO TO 7
NO - Repair or replace harness between BCM and remote keyless entry.
7.CHECK INTERMITTENT INCIDENT
Refer to Intermittent Incident.
- Inspection End.