FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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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.
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- .
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. Refer to
.
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.
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- .
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. Removal And Installation.
NO- Repair engine cooling system.