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 ICC WARNING CHIME CIRCUIT
Check the meter buzzer circuit. Refer to COMPONENT FUNCTION CHECK .
Is the inspection result normal?
YES
GO TO STEP 4.
NO
GO TO STEP 6 .
- 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 5.
NO
GO TO STEP 7 .
- CAN COMMUNICATIONS SYSTEM INSPECTION
Check the CAN communication system and repair or replace malfunctioning parts. Refer to DTC LOGIC .
INSPECTION END
- 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