FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Driver Assistance System




C1A21 UNIT HIGH TEMP

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 DCA 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.


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
Testing and Inspection.
NO- Replace the ADAS control unit. Service and Repair.