A4 Quattro Sedan L4-1.8L Turbo (AWM) (2001)
Vehicle Speed Sensor: Testing and Inspection
Vehicle Speed Signal, Checking
Special Tools and Equipment
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VAG1526A
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VAG1527B
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VAG1594A
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VAG1598/31
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VAS5051 with VAG5051/1
NOTE:
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The vehicle speed signal is generated by the speedometer Vehicle Speed Sensor (VSS) -G22- (at transmission) and is processed in the instrument
cluster.
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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:
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Function and display of speedometer OK. Troubleshooting:
Test sequence