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. Refer to
"DTC Logic" Without Intelligent Key System.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON.
2.Check "Self Diagnostic Result" with CONSULT.
Is DTC detected?
YES- Refer to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. PERFORM INITIALIZATION

Perform initialization with CONSULT. Re-register all ignition keys.
Can the system be initialized and can the engine be started with re-registered ignition key?
YES- INSPECTION END (ID was unregistered.)
NO- GO TO 2.

2. REPLACE BCM

1.Replace BCM. Refer to "Removal and Installation" Removal And Installation.
2.Perform initialization with CONSULT. Re-register all ignition keys.
Can the system be initialized and can the engine be started with re-registered ignition key?
YES- INSPECTION END (BCM was malfunctioning.)
NO- GO TO 3.

3. REPLACE ECM

1.Replace ECM. Refer to the following page.
-Refer to "ADDITIONAL SERVICE WHEN REPLACING CONTROL UNIT : Special Repair Requirement" Except For Mexico.
2.Perform initialization with CONSULT. Re-register all ignition keys.
Can the system be initialized and can the engine be started with re-registered ignition key?
YES- INSPECTION END (ECM was malfunctioning.)
NO- GO TO 4.

4. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END