Audi 80 Quiz
Anti-lock brake system

Relays

In this manual: Anti-lock brake system
Technical Description — 39Engines — 41Exhaust System — 13Cooling System — 28Fuel tank and fuel pump — 12Air Filter and Intake Ducts — 13Mono-Motronic Injection System — 18Digifant Injection System — 19KE-III-Jetronic Injection System — 35MPI and MPFI Injection Systems — 32Clutch — 11Transmission and Driveline — 21Suspension and Steering — 33Brake System — 41Anti-lock brake system — 8Wheels and Tires — 13Body Electrical System — 35Ignition System — 24Lighting — 14Signaling Devices — 7Instruments and Auxiliary Equipment — 54Heating and Ventilation — 7Body Components — 18Troubleshooting — 6Specifications — 13
~1min read

Three relays are involved in ABS operation:

The solenoid valve relay is located under the cover on the hydraulic unit.

The return pump relay is also located under the cover on the hydraulic unit.

The ABS stepper relay and the overvoltage protection relay are combined in one relay unit.

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A quick Audi 80 quiz: every answer comes with an explanation and a link to the manual page.