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 detecting 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.
- CHECK DRIVER ASSISTANCE BUZZER
Check if the warning chime sounds on the active test item BUZZER 2 (ADAS) of "BSW/BUZZER" with CONSULT.
Is the inspection result normal?
YES
GO TO STEP 4.
NO
GO TO STEP 5.
- PERFORM THE SELF-DIAGNOSIS OF ADAS CONTROL UNIT
- Perform "All DTC Reading" with CONSULT.
- Check if the any DTC is detected in self-diagnosis results of "ICC/ADAS".
Is any DTC detected?
YES
GO TO STEP 6.
NO
GO TO STEP 5.
- PERFORM THE SELF-DIAGNOSIS OF DRIVER ASSISTANCE BUZZER CONTROL MODULE
- Perform "All DTC Reading" with CONSULT.
- Check if the "any DTC" is detected in self-diagnosis results of "BSW/BUZZER".
Is "any DTC" detected?
YES
GO TO STEP 6.
NO
GO TO STEP 7.
- REPAIR OR REPLACE MALFUNCTIONING PARTS
Repair or replace malfunctioning parts.
GO TO STEP 8.
- REPLACE ADAS CONTROL UNIT
Replace the ADAS control unit. Refer to REMOVAL AND INSTALLATION .
GO TO STEP 8.
- CHECK ICC SYSTEM
- Erase the self-diagnosis results, and then perform "All DTC Reading" again after performing the action test. (Refer to DESCRIPTION for action test.)
- Check that the ICC system is normal.
INSPECTION END