DTC DETECTION LOGIC 
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 >> Go to SEC "Diagnosis Procedure".
NO >> Inspection End.
1.PERFORM INITIALIZATION
Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES >> Inspection End.
NO >> GO TO 2.
2.CHECK SELF DIAGNOSTIC RESULT
1. Select Self Diagnostic Result mode of ENGINE using CONSULT.
2. Erase DTC.
3. Perform DTC CONFIRMATION PROCEDURE for DTC P1611. Refer to SEC "DTC Logic".
Is DTC detected?
YES >> GO TO 3.
NO >> Inspection End
3.REPLACE BCM
1. Replace BCM. Refer to BCS "Removal and Installation".
2. Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
Can the system be initialized and can the engine be started with registered Intelligent Key?
YES >> Inspection End.
NO >> GO TO 4.
4.REPLACE ECM
1. Replace ECM.
Refer to EC "Removal and Installation".
2. Perform "ADDITIONAL SERVICE WHEN REPLACING ECM".
Refer to EC "Work Procedure".
>> Inspection End.
P1610 Lock modeDescription ECM forcibly switches to the mode that inhibits engine start, when engine start operation is performed 5 times or more while communication between ECM and BCM is not normal. ...
U0155 Lost communication (IPC)
Description
CAN (Controller Area Network) is a serial communication line for real-time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent malfunction
detection ability.
Many electronic control units are equipped onto a vehicle, and ...
Diagnosis and repair workflow
Work Flow
DETAILED FLOW
1. REVIEW CUSTOMER COMPLAINT
Review customer complaint. Try to obtain detailed information about the
conditions when the symptom occurs.
>> GO TO 2
2. VERIFY THE SYMPTOM
Verify the symptom by performing an operational check. Refer to WW"System
Descripti ...