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 9.
- 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 9.
- PERFORM THE SELF-DIAGNOSIS OF COMBINATION METER
- Perform "All DTC Reading" with CONSULT.
- Check if any DTC is detected in self-diagnosis results of "METER/M&A".
Is any DTC detected?
YES
Repair or replace malfunctioning parts. Refer to DTC INDEX .
NO
GO TO STEP 6.
- CHECK ICC WARNING CHIME CIRCUIT
Check meter buzzer. Refer to COMPONENT FUNCTION CHECK .
Is the inspection result normal?
YES
GO TO STEP 8.
NO
GO TO STEP 7.
- REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
GO TO STEP 9.
- REPLACE ADAS CONTROL UNIT
Replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .
GO TO STEP 9.
- 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