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Checking vehicle speed signal > < Checking engine speed signal

A3 Mk1

Checking consumption signal for on-board computer
Checking consumption signal for on-board computer
  Note!
t  The consumption signal is calculated by the engine control unit from the injection period and relayed to the on-board computer by contact 75 of the engine control unit.
t  Checking consumption signal: → Electrical System; Repair group 90; Dash panel insert, Checking consumption signal
   

Checking vehicle speed signal > < Checking engine speed signal