Pre-Diagnosis Inspection
WARNING: This page does not describe the selected car, but rather 9 other vehicles, including the 1989 Audi 90, 1989 Audi 80, 1989 Audi 200, 1989 Audi 100, and 1988 Audi 90. However, it is still accessible from the selected car via links, so may be relevant.
Perform a comprehensive visual inspection on system components which could create an apparent anti-lock system malfunction. Performing this inspection of system prior to diagnosing specific symptoms may result in isolation of a simple failure which may cause an inoperative system.