Without Intelligent Key System

P1611 ID DISCORD, IMMU-ECM





Description
BCM performs the ID verification with ECM that allows the engine to start. BCM starts the communication with
ECM if ignition switch is turned ON and starts the engine if the ID is OK. ECM prevents the engine from starting if the ID is not registered.

DTC Logic

DTC DETECTION LOGIC

NOTE:
- If DTC P1611 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Without Intelligent Key System.
- If DTC P1611 is displayed with DTC U1010, 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 "Self diagnostic result" with CONSULT-III.
Is DTC detected?
YES - Without Intelligent Key System.
NO - Inspection End.

Diagnosis Procedure
1.PERFORM INITIALIZATION
Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to "CONSULT-III Operation Manual".
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES - ID was unregistered.
NO - GO TO 2
2.REPLACE BCM
1. Replace BCM. Service and Repair.
2. Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to "CONSULT-III Operation Manual".
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES - BCM is malfunctioning.
NO - GO TO 3
3.REPLACE ECM
1. Replace ECM. Refer to Removal and Installation.
2. Perform initialization with CONSULT-III. Re-register all mechanical keys.
For initialization and registration of mechanical key. Refer to "CONSULT-III Operation Manual".
Can the system be initialized and can the engine be started with re-registered mechanical key?
YES - ECM is malfunctioning.
NO - GO TO 4
4.CHECK INTERMITTENT INCIDENT
Intermittent Incident.
- Inspection End.