Operation CHARM: Car repair manuals for everyone.

Diagnostic Strategies

How to Proceed With Trouble Diagnosis
1. Confirm the symptom or customer complaint.
2. Understand operation description and function description. Refer to "System Description".
3. Carry out the Preliminary Check. Refer to "Preliminary Check".
4. Check symptom and repair or replace the cause of malfunction.
5. Do the parking, license and tail lamps operate normally? If YES: GO TO 6. If NO: GO TO 4.
6. Inspection End.