1994 Audi S4FACTORY OEM SERVICE PROCEDURE

Connector Identification

CONNECTOR IDENTIFICATION DIRECTORY

Connector Go To Figure
Camshaft Position Sensor Wiring Harness Connector Fig 1
Crankshaft Position Sensor Wiring Harness Connector Fig 2
ECT Sensor Connector Wiring Harness Connector Fig 3
Engine Speed Sensor Connector (Sensor Side) Fig 4
Engine Speed Sensor Wiring Harness Connector Fig 2
EVAP Canister Purge Valve Wiring Harness Connector Fig 3
Fuel Injector Wiring Harness Connector Fig 3
HO2S Black 2-Pin Heater Wiring Harness Connector Fig 3
HO2S Wiring Harness Connector Fig 5
IAC Valve Wiring Harness Connector Fig 3
Ign. Coil Power Out Stage 4-Pin Wiring Harness Connector Fig 6
Knock Sensor Wiring Harness Connector Fig 2
Knock Sensor Connector (Sensor Side) Fig 4
MAF Sensor Wiring Harness Connector Fig 7
Motronic (ECM) 55 Pin Wiring Harness Connector Figure
Pressure Sensor Wiring Harness Connector Fig 2
Throttle Position Sensor Wiring Harness Connector Fig 7
Throttle Position Sensor Connector (Sensor Side) Fig 8
Fig 1: Identifying Camshaft Position Sensor Wiring Harness Connector Terminals
G00149775Courtesy of AUDI OF AMERICA, INC.
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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.