Without Intelligent Key System

P1612 CHAIN OF ECM-IMMU

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC P1612 is displayed with DTC U1000 (for BCM), first perform the trouble diagnosis for DTC U1000.
Without Intelligent Key System.
- If DTC P1612 is displayed with DTC U1010 (for BCM), first perform the trouble diagnosis for DTC U1010.
Without Intelligent Key System.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON.
2.Check DTC in "Self Diagnostic Result" mode of "ENGINE" using CONSULT.
Is DTC detected?
YES- .
NO- INSPECTION END


Diagnosis Procedure


1. REPLACE BCM

1.Replace BCM. Service and Repair.
2.Perform initialization of BCM and registration of all ignition keys using CONSULT.
3.Start engine.
Does the engine start?
YES- INSPECTION END
NO- GO TO 2.

2. REPLACE ECM

Replace ECM.
Service and Repair.
- INSPECTION END