audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

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Checking accelerator position sender > < Checking the voltage supply to the throttle valve control unit.

A3 Mk1

Checking wiring
Checking wiring
   
–  Unplug the connector from the throttle valve control unit.
–  Connect test box -V.A.G 1598/31- to wiring harness for engine control unit. Do not connect engine control unit → Chapter.
–  Check for open circuit and short to positive or earth in the following wiring connections:
  A24-0139
Connector
Contact		Test box -V.A.G 1598/31-
Socket
190
297
3119
492
5121
691

–  Rectify any open/short circuit as necessary.
If no wiring fault is detected:
–  Replace throttle valve control unit.
   

Checking accelerator position sender > < Checking the voltage supply to the throttle valve control unit.