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Skoda Workshop Service and Repair Manuals

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Testing the voltage supply of the accelerator pedal position sender > < Check accelerator pedal position sender

Fabia Mk1

Check for proper operation
Check for proper operation
–  Connect vehicle system tester -V.A.G 1552-. Switch ignition on and select “address word” 01 Engine electronics → Chapter.
–  Enter function 08 “Read measured value block” and select display group number 062.
   
Readout on display:
–  Test the specified values for the electronic throttle potentiometer voltages.
  Note
The engine control unit converts the voltage values of the accelerator pedal position sender in percentage (in relation to 5 Volts). 5 Volts power supply correspond to 100%.
–  Observe display fields 3 and 4.
–  Slowly press the accelerator pedal fully down.
The percentage indication in display field 3 must rise gradually. The tolerance range 6…97 % is not fully used up.
The percentage indication in display field 4 must rise gradually. The tolerance range 3…50 % is not fully used up.
  Note
The value displayed in display field 3 must always be approximately double the value in display field 4.
If the display does not occur as described:
–  Test the voltage supply and the wiring of the throttle valve control unit -J338- → Chapter.
  
Reading measured value block         62   ->
15,0 %     75,0 %     15,0 %     7,0 %

Testing the voltage supply of the accelerator pedal position sender > < Check accelerator pedal position sender