Detailed Flow
DIAGNOSIS PROCEDURE CHART
| Step | Action | YES | NO |
|---|---|---|---|
| 1 | INTERVIEW FOR MALFUNCTION Find out what the customer's concerns are. |
GO TO 2 | - |
| 2 | SYMPTOM CHECK Verify the symptom from the customer's information. |
GO TO 3 | - |
| 3 | BASIC INSPECTION Check the operation of each part. Check that any concerns occur other than those mentioned in the customer interview. |
GO TO 4 | - |
| 4 | DTC CHECK WITH SDT Perform "DTC check" with SDT. Check that any DTC is detected. Is any DTC detected? |
GO TO 5 | GO TO 6 |
| 5 | TROUBLE DIAGNOSIS BY DTC Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part. |
GO TO 9 | - |
| 6 | FAIL-SAFE ACTIVATION CHECK Determine if the customer's concern is related to fail-safe activation. Does the fail-safe activate? |
GO TO 7 | GO TO 8 |
| 7 | SYSTEM DIAGNOSIS Perform the system diagnosis for the system in which the fail-safe activates. Specify the malfunctioning part. |
GO TO 9 | - |
| 8 | SYMPTOM DIAGNOSIS Perform the symptom diagnosis. Specify the malfunctioning part. |
GO TO 9 | - |
| 9 | MALFUNCTION PART REPAIR Repair or replace the malfunctioning part. |
GO TO 11 | - |
| 10 | REPAIR CHECK (DTC CHECK WITH SDT) Perform "DTC check" with SDT. Verified that no DTCs are detected. Erase all DTCs detected prior to the repair. Verify that DTC is not detected again. Is any DTC detected? |
GO TO 5 | GO TO 11 |
| 11 | REPAIR CHECK (OPERATION CHECK) Check the operation of each part. Does it operate normally? |
Inspection End. | GO TO 3 |