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Checking earth connection of output stage > < Special tools and workshop equipment required

A3 Mk1

Checking voltage supply of ignition coils
Checking voltage supply of ignition coils
  Note!
Fuse for ignition coils OK → Current flow diagrams, Electrical fault finding and Fitting locations
   
–  Detach 4-pin connector -1- from output stage for ignition coils -2-.
  N28-0145
–  Connect voltage tester -V.A.G 1527 B- as follows:
  A24-0094
Connector
Contact		Measure against
2Engine earth

–  Switch on ignition.
t  LED must illuminate
If the LED does not illuminate:
–  Check the wiring. → Current flow diagrams, Electrical fault finding and Fitting locations
   

Checking earth connection of output stage > < Special tools and workshop equipment required