Operation CHARM: Car repair manuals for everyone.

Diagnostic Conditions



Conditions For Diagnosis

NOTE:
- Important Always connect a suitable battery charging device to the vehicle electrical system battery before starting the diagnosis. Also switch off all unnecessary loads.
- The fault can only be identified if the requirements listed under Conditions for diagnosis are met. For this reason, the specified procedure must be observed after a fault is repaired:
1. Erase fault memory
2. Satisfy the requirements listed under Conditions for diagnosis.
3. Carry out a test drive
4. Read out fault memory again