ENGINE CONTROL UNIT (ECU)

DIAGNOSTICS and SYSTEM OPERATION*

ECU Diagnostics and ECU System Operation, 10V Turbo 5 Cylinder Engines

  • 1982-85 ur-Quattro Coupe, WX 2.1 litre

  • 1984-85 5000 Turbo KH 2.1 litre (Diagnostics Only)

  • 1986-88 5000 Turbo/Quattro MC 2.22 litre

  • 1989-90 200 Turbo/Quattro MC 2.22 litre

ECU Diagnostics and ECU System Operation
20V Turbo 5 Cylinder Engines (3B and AAN Designation)

  • 1991 200TQ with 3B, 2.22 litre,
  • 1992-96 S4/S6 with AAN, 2.22 litre

ECU Diagnostics For:

Link to 12v.org a site with information on the 12V V6 Engines: 1992-96 Audi 100, 1993-95 Audi 90

Non Turbo 10V 2.3 Liter 5 Cylinder NF Engine

3.6 and 4.2 Liter V8 Engines

  • 1987-88 Audi 5000S with 2.3 Liter
  • 1989-91 Audi 100, 2.3 litre

  • 1990-94 Audi V8, 3.6, 4.2 litre

*US based Audi vehicles, some information is valid for UK and European models.

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