Cruise Control System

C1A06 OPERATION SW

DTC Logic


DTC DETECTION LOGIC






NOTE:
If DTC "C1A06" is detected along with DTC "U1000", first diagnose the DTC "U1000". Cruise Control.

DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Set the vehicle to READY.
2.Wait for approximately 5 minutes after turning the MAIN switch of ICC system ON.
3.Perform "All DTC Reading" with CONSULT.
4.Check if the "C1A06" is detected as the current malfunction in "Self Diagnostic Result" of "ICC/ADAS".
Is "C1A06" detected as the current malfunction?
YES- .
NO- Intermittent Incident.


Diagnosis Procedure


1. CHECK SELF-DIAGNOSIS RESULTS

Check if "U1000" is detected other than "C1A06" in "Self Diagnostic Result" of "ICC/ADAS".
Is "U1000" detected?
YES- Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
ADAS Control Unit.
NO- GO TO 2.

2. CHECK ICC STEERING SWITCH

1.Turn the ignition switch OFF.
2.Disconnect the ICC steering switch connector.
3.Check the ICC steering switch. .
Is the inspection result normal?
YES- GO TO 3.
NO- Replace the ICC steering switch.

3. CHECK HARNESS BETWEEN SPIRAL CABLE AND HPCM

1.Disconnect the HPCM connector.
2.Check for continuity between the spiral cable harness connector and HPCM harness connector.





3.Check for continuity between spiral cable harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair the harnesses or connectors.

4. CHECK SPIRAL CABLE

Check for continuity between spiral cable terminals.





Is the inspection result normal?
YES- GO TO 5.
NO- Replace the spiral cable.

5. PERFORM SELF-DIAGNOSIS OF HPCM

1.Connect the connectors of ICC steering switch and HPCM connector.
2.Turn the ignition switch ON.
3.Perform "All DTC Reading".
4.Check if any DTC is detected in "Self Diagnostic Result" of "EV/HEV".
Is any DTC detected?
YES- Perform self-diagnosis on the detected DTC and repair or replace the malfunctioning parts. Testing and Inspection.
NO- Replace the ADAS control unit. Service and Repair.


Component Inspection


1. CHECK ICC STEERING SWITCH






Check resistance between ICC steering switch terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace the ICC steering switch.