Cruise Control System

C1A39 STEERING ANGLE SENSOR

ADAS CONTROL UNIT : DTC Logic


DTC DETECTION LOGIC






NOTE:
If DTC "C1A39" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to "ADAS CONTROL UNIT : DTC Logic" Cruise Control.

DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Start the engine.
2.Turn the MAIN switch of ICC system ON.
3.Perform "All DTC Reading" with CONSULT.
4.Check if the "C1A39" is detected as the current malfunction in self-diagnosis results of "ICC/ADAS".
Is "C1A39" detected as the current malfunction?
YES- Refer to "ADAS CONTROL UNIT : Diagnosis Procedure" .
NO- Refer to "Intermittent Incident" Intermittent Incident.


ADAS CONTROL UNIT : Diagnosis Procedure


1. CHECK SELF-DIAGNOSIS RESULTS

Check if "U1000" is detected other than "C1A39" in "Self Diagnostic Result" of "ICC/ADAS".
Is "U1000" detected?
YES- Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
Refer to "ADAS CONTROL UNIT : DTC Logic" Cruise Control.
NO- GO TO 2.

2. CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in "Self Diagnostic Result" of "ABS".
Is any DTC detected?
YES- Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
"DTC Index" Testing and Inspection.
NO- Replace the ADAS control unit. Refer to "Removal and Installation" ADAS Control Unit.


ICC SENSOR : DTC Logic


DTC DETECTION LOGIC






NOTE:
If DTC "C1A39" is detected along with DTC "U1000", first diagnose the DTC "U1000". Refer to "ICC SENSOR : DTC Logic" Cruise Control.

DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Start the engine.
2.Turn the MAIN switch of ICC system ON.
3.Perform "All DTC Reading" with CONSULT.
4.Check if the "C1A39" is detected as the current malfunction in self-diagnosis results of "LASER".
Is "C1A39" detected as the current malfunction?
YES- Refer to "ICC SENSOR : Diagnosis Procedure" .
NO- Refer to "Intermittent Incident" Intermittent Incident.


ICC SENSOR : Diagnosis Procedure


1. CHECK ICC SENSOR SELF-DIAGNOSIS RESULTS

Check if "U1000" is detected other than "C1A39" in "Self Diagnostic Result" of "LASER".
Is "U1000" detected?
YES- Perform the CAN communication system inspection. Repair or replace the malfunctioning parts.
Refer to "ICC SENSOR : DTC Logic" Cruise Control.
NO- GO TO 2.

2. CHECK ADAS CONTROL UNIT SELF-DIAGNOSIS RESULTS

Check if any DTC is detected in "Self Diagnostic Result" of "ICC/ADAS".
Is any DTC detected?
YES- Perform diagnosis on the detected DTC and repair or replace the malfunctioning parts. Refer to
"DTC Index" Testing and Inspection.
NO- Replace the ICC sensor. Refer to "Removal and Installation" Removal and Installation.