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Volkswagen Workshop Service and Repair Manuals

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Reading and clearing engine control unit fault memory > < Engine control unit

Golf Mk4

Removing and installing engine control unit
Removing and installing engine control unit
–  Before removing engine control unit, first read control unit identification and thereby the coding of the engine control unit currently installed → Chapter; Reading and clearing engine control unit fault memory.
Removing
–  Switch off ignition.
–  Remove windscreen wiper arms and plenum chamber cover: → Rep. Gr.92
–  Release connectors on engine control unit and pull off connector.
   
–  Push control unit to right and remove.
Installing
–  Insert new control unit and push to left.
–  Fit connectors and lock in position.
–  Check previous coding and code new control unit → Chapter Adapting components.
  N24-0713

Reading and clearing engine control unit fault memory > < Engine control unit