Cruise Control System

C1A21 UNIT HIGH TEMP





ADAS CONTROL UNIT : DTC Logic

DTC DETECTION LOGIC





1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn the ignition switch OFF.
2. Wait for 10 minutes or more to cool the ICC sensor.
3. Start the engine.
4. Turn the MAIN switch of ICC system ON.
5. Perform "All DTC Reading" with CONSULT-III.
6. Check if the "C1A21" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".
Is "C1A21" detected as the current malfunction?
YES - SEE ADAS CONTROL UNIT : Diagnosis Procedure.
NO - Intermittent Incident.




ADAS CONTROL UNIT : Diagnosis Procedure
1.CHECK SELF-DIAGNOSIS RESULTS
Check if "C1A21" is detected in "Self Diagnostic Result" of "LASER".
Is "C1A21" detected?
YES - Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. SEE ICC SENSOR : DTC Logic.
NO - Replace the ADAS control unit. Service and Repair.




ICC SENSOR : DTC Logic

DTC DETECTION LOGIC






DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Turn the ignition switch OFF.
2. Wait for 10 minutes or more.
3. Start the engine.
4. Turn the MAIN switch of ICC system ON.
5. Perform "All DTC Reading" with CONSULT-III.
6. Check if the "C1A21" is detected as the current malfunction in "Self Diagnostic Result" of "LASER".
Is "C1A21" detected as the current malfunction?
YES - SEE ICC SENSOR : Diagnosis Procedure.
NO - Intermittent Incident.




ICC SENSOR : Diagnosis Procedure
1.CHECK ENGINE COOLING SYSTEM
Check for any malfunctions in engine cooling system.
Is engine cooling system normal?
YES - Replace the ICC sensor. Exploded View.
NO - Repair engine cooling system.