Troubleshooting — General Information (Audi A4 B7)

This section offers a simple scheme for identifying the causes of malfunctions and failures occurring in vehicle components and systems. Failures and their possible causes are divided into groups according to their relationship to specific components or systems of the vehicle, such as the engine, cooling system, etc. In addition, the text provides references to chapters and sections related to these problems.

Remember that successful troubleshooting is a combination of knowledge and a patient, systematic approach to problem investigation. Always move from simple to complex, take each check to its logical conclusion, and try not to miss obvious facts - anyone can forget to fill the fuel tank or leave the lights on overnight.

Finally, you should always try to get a clear picture of the progression of the fault and take appropriate steps to prevent a recurrence. Analyze the events immediately preceding the impatient, systematic approach to investigating the problem. Always move from the simple to the complex, bring each check to its logical conclusion and try not to overlook the obvious - anyone can forget to fill the fuel tank or leave the lights on overnight.

Finally, you should always try to get a clear picture of the progression of the fault and take appropriate steps to prevent a recurrence. Analyze the events immediately preceding the fault. If the electrical equipment failure occurred due to a poor contact, check the condition of all other contacts and electrical connectors in the system at the same time. If the same fuse blows several times in a row, there is no point in replacing it further - you should try to find out the cause of the failure. Remember that the failure of a minor component may be a sign of a malfunction of a more important unit or the entire system.

[This article was copied from an online resource: audimanual]