Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
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HOMESERVICE MANUALSAUDI199590 QUATTRO SPORT V6-2.8L (AAH)REPAIR AND DIAGNOSISCRUISE CONTROLTESTING AND INSPECTIONCHECKING GROUND CIRCUIT TO CONTROL UNIT
1995 Audi 90 Quattro Sport V6-2.8L (AAH)
Checking Ground Circuit to Control Unit
1995 Audi 90 Quattro Sport V6-2.8L (AAH)SECTION Checking Ground Circuit to Control Unit
Fig. 1 Control Unit Harness Connector Terminal Identification:
1. Check installation locations.
2. Disconnect control unit harness connector.
3. Connect multimeter US 1119, or equivalent, between control unit harness terminal 8 and ground, refer to Fig. 1.
4. If circuit is open, repair open in circuit.
5. If continuity exists, refer to BRAKE OR CLUTCH PEDAL SWITCH.
RENDER: 1.0x
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.