A8 Quattro Sedan V8-4.2L (AUX) (2001)
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Vehicle Speed Sensor Signal: Testing and Inspection
Vehicle speed signal, checking
The vehicle speed signal comes from the instrument cluster.
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Check wiring between contact -4- and instrument cluster if voltage supply, Servotronic solenoid valve -N119- and speed reading on speedometer
are OK
Refer to Electrical Wiring Diagrams, Troubleshooting & Component Locations binder
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Replace Servotronic relay if wiring between contact -4- and instrument cluster is OK
