Diagnosis Procedure

CHIME DOES NOT SOUND


Diagnosis Procedure

1.PERFORM ACTIVE TEST
Check if the warning chime sounds on the active test item "ICC BUZZER" of "ICC" with CONSULT-III.
Does the warning chime sound?
YES - GO TO 2.
NO - GO TO 3.
2.CHECK THE MALFUNCTION SYMPTOM DURING WARNING CHIME OPERATION
1. Understand the vehicle ahead detecting condition when the malfunction occurred. If the warning chime should have sounded, replace the ICC sensor integrated unit. Refer to Exploded View.
2. Adjust the laser beam aiming. Refer to Description.
- GO TO 8.
3.PERFORM THE SELF-DIAGNOSIS
1. Perform "All DTC Reading" with CONSULT-III.
2. Check if the "U1000" is detected in self-diagnosis results of "ICC".
Is "U1000" detected?
YES - GO TO 4.
NO - GO TO 5.
4.CAN COMMUNICATIONS SYSTEM INSPECTION
Check the CAN communication system and repair or replace malfunctioning parts. Refer to CCS, "DTC
Logic".
- INSPECTION END
5.PERFORM SELF-DIAGNOSIS OF UNIFIED METER AND A/C AMP.
1. Perform "Self Diagnostic Result" of "METER/M&A".
2. Check if DTC is detected. Refer to Testing and Inspection.
Is any DTC detected?
YES - Repair or replace malfunctioning parts.
NO - GO TO 6.
6.CHECK COMBINATION METER CHIME OPERATION
Check meter buzzer. Refer to Component Function Check
Is the inspection result normal?
YES - GO TO 7.
NO - Repair or replace malfunctioning parts.
7.REPLACE ICC SENSOR INTEGRATED UNIT
1. Replace the ICC sensor integrated unit. Refer to Exploded View.
1. Replace the ICC sensor integrated unit. Refer to Exploded View.
2. Adjust the laser beam aiming. Refer to Description.
- GO TO 8.
8.CHECK ICC SYSTEM
1. Erase the self-diagnosis results, and then perform "All DTC Reading" again after performing the action test. (Refer to Description for action test.)
2. Check that the ICC system is normal.
- INSPECTION END