Operation CHARM: Car repair manuals for everyone.

Initial Inspection and Diagnostic Overview




Diagnosis and Repair Workflow

Overall Sequence





Detailed Flow

1. INTERVIEW FOR MALFUNCTION

Interview the customer about the symptom.


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 no symptoms occur other than those specified by the customer.


GO TO 4

4. PERFORM DTC CHECK WITH SDT

Perform the "DTC check" with SDT. Check that any DTC is detected.

Is any DTC detected?
YES
GO TO 5
NO
GO TO 6

5. TROUBLE DIAGNOSIS BY DTC

Perform the trouble diagnosis for the detected DTC. Specify the malfunctioning part.


GO TO 7

6. SYMPTOM DIAGNOSIS

Perform the symptom diagnosis. Specify the malfunctioning part.


GO TO 7

7. MALFUNCTIONING PART REPAIR

Repair or replace the malfunctioning part.


GO TO 8

8. 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?
YES
GO TO 5
NO
GO TO 9

9. REPAIR CHECK (OPERATION CHECK)

Check the operation of each part.

Does it operate normally?
YES
Inspection End.
NO
GO TO 3