Regarding Wiring Diagram information, refer to DLK"INTELLIGENT KEY SYSTEM : Wiring Diagram".
1.CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
Is the inspection result normal?
YES >> Replace BCM. Refer to BCS "Removal and Installation".
NO >> GO TO 2.
2.CHECK REMOTE KEYLESS ENTRY RECEIVER CIRCUIT 1
Is the inspection result normal?
YES >> GO TO 3.
NO >> Repair or replace harness.
3.CHECK REMOTE KEYLESS ENTRY RECEIVER POWER SUPPLY
Check voltage between remote keyless entry receiver harness connector and ground.
Is the inspection result normal?
YES >> GO TO 4.
NO-1 >> Check 10A fuse No. 14 [located in fuse block J/B].
NO-2 >> Repair or replace harness between BCM and 10A fuse No. 14.
4.CHECK REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT
Check continuity between remote keyless entry receiver harness connector and ground.
Is the inspection result normal?
YES >> Replace remote keyless entry receiver. Refer to DLK "Removal and Installation".
NO >> Repair or replace harness.