transmission AUDI A4 1998 B5 / 1.G AWM Engine Additional Signals Checking Workshop Manual

24-165

Vehicle speed signal, checking


Notes:

The vehicle speed signal is generated by the
speedometer Vehicle Speed Sensor (VSS) -
G22- (at transmission) and is processed in the
instrument cluster.
The processed signal enters at terminal 54 of
the ECM and is used for idle stabilization and
tip-in shock reduction during shifting.

Test requirement:
Function and display of speedometer OK.
Troubleshooting:

Repair Manual, Electrical Equipment, Repair
Group 90; Instrument cluster; Speed signal, checking


Test sequence

WARNING!

To reduce the risk of accident during road
tests, always observe safety precautions
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