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Skoda Workshop Service and Repair Manuals

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Testing idling speed > < Testing lines and components with test box V.A.G 1598/31

Octavia Mk1

Replacing engine control unit
Replacing engine control unit
  Note
The learning values are erased when the plug is removed from the 4AV control unit, the fault memory contents are retained.
Removing
–  Switch off ignition.
–  Unscrew windscreen wiper arms and remove the cooling water tank cover → Body Work → Rep. Gr.66.
  Note
When removing the cover, disconnect the hose for the washer nozzles.
   
–  Use a screwdriver to push the catch pegs of the fixture to the side and pull the engine control unit forward.
–  Release the connector catches and disconnect the plug from the control unit.
Install
Installation is carried out in the reverse order.
  Note
t  After installing the engine control unit, carry out the following steps:
t  Adapt the 4AV control unit to the throttle valve control unit - J338- → Chapter.
t  Adapt the engine control unit to the electronic immobiliser → Chapter.
  A23-0026

Testing idling speed > < Testing lines and components with test box V.A.G 1598/31