A6 Quattro Wagon V6-2.8L (AFC) (1995)
Fig.2 Control Unit Harness Connector Terminal Identification (12-Pin Connector).
1. Connect multimeter tool No. US 1119, or equivalent, set to voltage scale between control unit harness electrical connector terminal eight and five
on 12 pin type control unit connector Fig. 2.
2. Turn cruise control switch to the On position, then drive vehicle at a speed in excess of 20 MPH and read voltage.
3. If voltage is zero, repair wiring and/or replace cruise control switch as outlined under Combination Switch.
4. If 12 volts are found, connect multimeter set to ohm scale to terminals eight and ten, then push cruise control switch to Resume position.
5. If circuit is open, repair wiring and/or replace cruise control switch as outlined under Combination Switch.
6. If circuit is closed, connect multimeter set to ohm scale to terminals eight and four, then press Fix/Set button and read meter.
7. If circuit is open, repair wiring and/or replace cruise control switch as outlined under Combination Switch.
8. If circuit is closed, connect multimeter set to ohm scale to terminals 11 and five, then press On button and read meter.
9. If circuit is open, repair wiring and/or replace cruise control switch as outlined under Combination Switch.
10. If circuit is closed proceed to tests under Brake Or Clutch Pedal Switch Defective.