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Testing output signal for gearshift — AUDI

Testing output signal for gearshift on Audi: factory workshop procedure. Full factory text, tools and checks.

Workshop procedure for AUDI — the factory write-up, straight from real workshop data.

factory workshop text

📋 Procedure

Note:

This signal enables smoother gearshifts by momentarily retarding the ignition timing.

Interrogate fault memory of engine control unit

=> Diesel direct injection and glow plug system (TDI 5-cyl.); Repair group 01; Self-diagnosis for diesel direct injection system; Interrogating and erasing fault memory
Diesel direct injection and glow plug system (TDI 5-cyl.)
Self-diagnosis for diesel direct injection system
Interrogating and erasing fault memory

=> Motronic injection and ignition system (5-cylinder); Repair group 01; Self-diagnosis of Motronic system; Interrogating and erasing fault memory
Motronic injection and ignition system (5-cylinder)
Self-diagnosis of Motronic system
Interrogating and erasing fault memory

=> Motronic injection and ignition system (6-cylinder); Repair group 01; Self-diagnosis of Motronic system; Interrogating and erasing fault memory
Motronic injection and ignition system (6-cylinder)
Self-diagnosis of Motronic system
Interrogating and erasing fault memory

=> MPFI injection and ignition system (6-cyl.); Repair Group 01; Self-diagnosis for Multi-Point Fuel Injection (MPFI); Interrogating and erasing fault memory
MPFI injection and ignition system (6-cyl.)
Self-diagnosis for Multi-Point Fuel Injection (MPFI)
Interrogating and erasing fault memory

=> MPI injection and ignition system (6-cyl.) ä 05.94; Repair Group 01; Self-diagnosis for Multi-Point Injection (MPI); Interrogating and erasing fault memory
MPI injection and ignition system (6-cyl.) ä 05.94
Self-diagnosis for Multi-Point Injection (MPI)
Interrogating and erasing fault memory

=> MPI injection and ignition system (6-cyl.) 06.94 ä; Repair Group 01; Self-diagnosis for Multi-Point Injection (MPI); Interrogating and erasing fault memory
MPI injection and ignition system (6-cyl.) 06.94 ä
Self-diagnosis for Multi-Point Injection (MPI)
Interrogating and erasing fault memory

Test wiring to control unit for gearbox

=> Diesel direct injection and glow plug system (TDI 5-cyl.); Repair group 23; Testing auxiliary signals; Testing wiring connections to gearbox control unit
Diesel direct injection and glow plug system (TDI 5-cyl.)
Testing auxiliary signals
Testing wiring connections to gearbox control unit

=> Motronic injection and ignition system (6-cylinder); Repair Group 24; Testing additional signals; Testing ignition timing retardation during gearshift
Motronic injection and ignition system (6-cylinder)
Testing additional signals
Testing ignition timing retardation during gearshift

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TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.

The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.

Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.

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Workshop data on this page last updated 20 Sep 2026.