audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Safety precautions > < General notes and safety precautions
General notes on ignition system
General notes on ignition system
t  The engine control unit has a self-diagnosis capability.
t  A voltage of at least 11.5 V is required for proper operation of the electrical components.
t  Certain tests may lead to faults being stored in the engine control unit. The event memory must be interrogated after completing all tests and repair work. If faults are stored:
t  If the engine starts, runs for a short period and then cuts out after completing fault finding, repairs or component tests, this may be due to the immobilizer disabling the engine control unit. The event memory must then be interrogated and, if necessary, the control unit must be adapted.
   

Safety precautions > < General notes and safety precautions