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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.
- Item Being Tested - ABS Control Unit Test Cycle W/Simulated Fault Place ABS tester in program switch position No. 17. When button No. 5 lights up, press and hold button for at least 3 seconds.
- When button is depressed, the anti-lock indicator light in vehicle may flicker but must remain on when button is pressed. If indicator light does not come on, repeat step 1) with engine running. If indicator light still does not come on, replace ABS control unit.