Diagnosis Procedure
- PERFORM ACTIVE TEST
Check if the warning chime sounds on the active test item "ICC BUZZER" of "ICC/ADAS" with CONSULT.
Does the warning chime sound?
YES
GO TO STEP 2.
NO
GO TO STEP 3.
- CHECK THE MALFUNCTION SYMPTOM DURING WARNING CHIME OPERATION
Understand the vehicle ahead detection condition when the malfunction occurred. If the warning chime should have sounded, replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .
GO TO STEP 8 .
- PERFORM THE SELF-DIAGNOSIS
- Perform "All DTC Reading" with CONSULT.
- Check if the "U1000" is detected in self-diagnosis results of "ICC/ADAS".
Is "U1000" detected?
YES
GO TO STEP 4.
NO
GO TO STEP 5.
- CAN COMMUNICATIONS INSPECTION
Check the CAN communication and repair or replace malfunctioning parts. Refer to DTC LOGIC .
GO TO STEP 8 .
- CHECK THE DRIVER ASSISTANCE BUZZER CONTROL MODULE POWER AND GROUND CIRCUITS
Check the power and ground circuits of the driver assistance buzzer control module. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES
GO TO STEP 6.
NO
Repair or replace harness or connector.
- CHECK THE WARNING BUZZER CIRCUIT
Check the warning buzzer circuit. Refer to DIAGNOSIS PROCEDURE .
Is the inspection result normal?
YES
Replace the warning buzzer. Refer to REMOVAL AND INSTALLATION .
NO
GO TO STEP 7.
- REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
GO TO STEP 8.
- Check DCA system
- Erase "self-diagnosis result", and then perform "All DTC Reading" again after performing the action test. (Refer to DESCRIPTION for action test.)
- Check if the DCA system is normal.
Inspection End.