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Checking sender: > < Test sequence

A3 Mk1

Checking wiring
Checking wiring
   
–  Unplug 4-pin connector -1- from air mass meter -2-.
–  Connect test box -V.A.G 1598/31- to wiring harness for engine control unit. Do not connect to the engine control unit itself.
  N24-0701
–  Check for open circuit and short to positive or earth in the following wiring connections:
  A24-0094
Connector
Contact		Test box -V.A.G 1598/31-
Socket
211
444

–  Check for short circuits between the two wires.
–  Rectify any open/short circuit as necessary.
If no wiring fault is detected:
   

Checking sender: > < Test sequence