Interior Lighting

DIAGNOSIS AND REPAIR WORKFLOW

Work Flow


OVERALL SEQUENCE







DETAILED FLOW


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. SELF-DIAGNOSIS WITH CONSULT

Perform the self-diagnosis with CONSULT. 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 9

6. FAIL-SAFE ACTIVATION CHECK

Determine if the customers concern is related to fail-safe activation.
Does the fail-safe activate?
YES- GO TO 7
NO- GO TO 8

7. SYSTEM DIAGNOSIS

Perform the system diagnosis for the system in which 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 10

10. REPAIR CHECK (SELF-DIAGNOSIS WITH CONSULT)

Perform the self-diagnosis with CONSULT. Verify 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 11

11. REPAIR CHECK (OPERATION CHECK)

Check the operation of each part.
Does it operate normally?
YES- Inspection End
NO- GO TO 3