Diagnosis Procedure

REMOTE KEYLESS ENTRY RECEIVER


Description

Receives Intelligent Key operation and transmits to Intelligent Key unit.





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 5
2.REMOTE KEYLESS ENTRY RECEIVER VOLTAGE CIRCUIT INSPECTION
Check voltage between remote keyless entry receiver connector M25 terminal 3 and ground using an oscilloscope.










Is the inspection result normal?
YES - GO TO 3
NO - GO TO 5
3.REMOTE KEYLESS ENTRY RECEIVER 5-VOLT CIRCUIT INSPECTION





Check voltage between remote keyless entry receiver connector
M25 terminal 4 and ground.

4 - Ground : Approx. 5 volt.

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





Check continuity between remote keyless entry receiver connector
M25 terminal 1 and ground.

1 - Ground : Continuity should exist.

Is the inspection result normal?
YES - Replace remote keyless entry receiver. Refer to Service and Repair.
NO - GO TO 5
5.HARNESS INSPECTION BETWEEN INTELLIGENT KEY UNIT AND RKE RECEIVER
1. Disconnect remote keyless entry receiver and Intelligent Key unit connectors.





2. Check continuity between Intelligent Key unit connector (A) M70 terminals 8, 9, 21, 30 and remote keyless entry receiver connector (B) M25 terminals 1, 2, 3, 4.

1 - 8 : Continuity should exist.
2 - 9 : Continuity should exist.
3 - 21 : Continuity should exist.
4 - 30 : Continuity should exist.

3. Check continuity between remote keyless entry receiver connector (B) M25 terminals 1, 2, 3, 4 and ground.
1 - Ground : Continuity should not exist.
2 - Ground : Continuity should not exist.
3 - Ground : Continuity should not exist.
4 - Ground : Continuity should not exist.
Is the inspection result normal?
YES - Remote keyless entry receiver circuits are OK.
NO - Repair or replace the harness between the remote keyless entry receiver and Intelligent Key unit.