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Activated charcoal filter system > < Accelerator position sender: adjusting

Leon Mk2

Work sequence
Work sequence
(Accelerator pedal position sender, removed)
Adjust the pulley:
   
–  Fit the pulley as shown in the figure.
–  Bolt the cable pulley to the sender according to the dimensions shown, looking forward. a = 22 ± 0.05 mm b = 41 ± 0.05 mm c = forward
  Note!
The hole in the pulley must face the side of the vehicle.
–  Bolt the accelerator pedal position sender to the support with the pulley fitted.
–  Fit the support: → Running gear; Rep. Gr.46
–  Plug in the 6-pin connector of the sender.
Precision adjustment of the fitted sender:
–  Connect the -V.A.G 1551- (V.A.G. 1552) and, via the corresponding “address code” 01, select the engine electronics control unit. When doing so the ignition must be on: → Rep. Gr.01
  N23-0129
The display reads:
–  Press 0 and 8 for the function “Read measurement value block” and press Q to confirm the entry.
  
Rapid data transmission             HELP
Select function XX
The display reads:
–  Press 0, 6 and 2 for “Display group number 62” and press Q to confirm the entry.
  
Read measurement value block            
Enter display group number XXX
The display reads: (1...4 = display fields)
–  Check the target value for sender 1 -G79- at idling limit in display field 3. Target value: 12...97 %
–  Check the target value for sender 2 -G185- at idling limit in display field 4. Target value: 4...49 %
  Note!
The value in display field 3 should always be more or less double the value in display field 4.
–  Slowly depress the accelerator pedal to full gas, watching the percentages displayed in displays fields 3 and 4:
The percentage in display field 3 should rise steadily. Not the whole tolerance range of 12...97 % is used.
The percentage in display field 4 should rise steadily. Not the whole tolerance range of 4...49 % is used.
  
Read measurement value block 62       ->
    1        2        3       4
–  Adjust the accelerator -2-, if necessary turning the adjustment screw -1- such that without depressing the accelerator (idling) display field 3 reads 12...15 % and just before full gas, depressing the accelerator display field 4 30...49 % reads
  N23-0144

Activated charcoal filter system > < Accelerator position sender: adjusting