DTC DETECTION LOGIC
| DTC No. | CONSULT screen terms (Trouble diagnosis content) | DTC Detection Condition | |
|---|---|---|---|
| P1611 |
ID DISCORD, IMMU-ECM (Identification discord immobilizer-engine control unit) |
Diagnosis condition | When ignition switch ON. |
| Signal (terminal) | — | ||
| Threshold | The ID verification results between BCM and ECM are not good | ||
| Diagnosis delay time | — | ||
POSSIBLE CAUSE
BCM
Harness or connectors
(The CAN communication line is open or shorted.)
ECM
FAIL-SAFE
—
PERFORM DTC CONFIRMATION PROCEDURE
CONSULT
Ignition switch ON.
Select “Self Diagnostic Result” mode of “ENGINE”.
Check DTC.
Is DTC detected?
YES>>Refer to Diagnosis Procedure.
NO>>Inspection End.
PERFORM INITIALIZATION
Perform initialization of BCM and reregistration of all Intelligent Keys. Refer to Work Procedure.
Can the system be initialized and can the engine be started with reregistered Intelligent Key?
YES>>Inspection End.
NO>>GO TO 2.
CHECK SELF DIAGNOSTIC RESULT
CONSULT
Select “Self Diagnostic Result” mode of “ENGINE”.
Erase DTC.
Perform DTC CONFIRMATION PROCEDURE for DTC P1611. Refer to DTC Confirmation Procedure.
Is DTC detected?
YES>>GO TO 3.
NO>>Inspection End.
REPLACE BCM
Replace BCM. Refer to Removal and Installation.
Perform initialization of BCM and registration of all Intelligent Keys. Refer to Work Procedure.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES>>Inspection End.
NO>>GO TO 4.
REPLACE ECM
Replace ECM. Refer to Removal and Installation.
Perform “ADDITIONAL SERVICE WHEN REPLACING ECM”. Refer to Work Procedure.
>>
Inspection End.
P1610 Lock Mode
P1612 Chain of Ecm-ImmuUnfastening the seat belts

To unfasten the seat belt, press the button
on the buckle
. The seat belt
automatically
retracts.