audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

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Checking engine torque signal from ABS/ASR control unit > < Checking ignition timing retardation on changing gear

A4 Mk1

MPI fuel injection and ignition system
Checking auxiliary signals
Checking change up/ change-down signal

Notes:

  • ◆ The engine control uses these signals in conjunction with the gearshift signal, to detect change-up/change-down.
  • ◆ The wiring and change-up/change-down signal are monitored by the gearbox control unit:

=> Automatic gearbox 01V Self-diagnosis; Repair Group 01; Interrogating fault memory

Checking engine torque signal from ABS/ASR control unit > < Checking ignition timing retardation on changing gear