Work Flow

DIAGNOSIS AND REPAIR WORK FLOW


Work Flow


OVERALL SEQUENCE





- Reference 1��� Special Repair Requirement.
- Reference 2��� Manufacturer Code Charts.
- Reference 3��� Intelligent Cruise Control System Symptoms.

DETAILED FLOW
1.CHECK SYMPTOM
Check the malfunction symptoms by performing the following items.
- Obtain the malfunction information (conditions and environment when the malfunction occurred) from the customer.
- Perform the ICC system action test to check the ICC system operation status. Special Repair Requirement.
- GO TO 2
2.PERFORM SELF-DIAGNOSIS OF ICC UNIT
1. Perform self-diagnosis of ICC unit.
2. Check if DTC is detected.
Is any DTC detected?
YES - GO TO 3
NO - GO TO 4
3.CHECK SELF-DIAGNOSIS RESULTS
1. Check the DTC detected in the self-diagnosis results.
2. Perform the relevant diagnosis by referring to the DTC index. Manufacturer Code Charts.

NOTE:
If "CAN COMM CIRCUIT [U1000]" (DTC 20) is displayed, start with the diagnosis for the CAN communication system. CAN Communication Circuit.
- GO TO 5
4.DIAGNOSIS BY SYMPTOM
Referring to the diagnosis chart by symptom, perform the relevant diagnosis. Intelligent Cruise Control System Symptoms.
- GO TO 5
5.REPAIR OR REPLACE APPLICABLE ITEM
Repair or replace applicable item.
- GO TO 6
6.CHECK AFTER REPAIRING OR REPLACING THE APPLICABLE ITEM
1. Erase DTC.
2. Perform the self-diagnosis for the ICC unit again after repairing or replacing the applicable item.
3. Check if DTC is detected.
Is any DTC detected?
YES - GO TO 3
NO - GO TO 7
7.CHECK ICC SYSTEM
Test the ICC system for normal operation to see if the malfunction symptom is solved and no other symptoms are present.
No symptoms?
YES - Inspection End.
NO - GO TO 4