S4 Sedan L5-2226cc 2.22L DOHC Turbo (AAN) (1992)
Trip Computer: Testing and Inspection
Average Vehicle Speed Display, Checking (Km/h or MPH)
NOTE: Vehicle speed signal is used to determine this display.
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Switch ignition ON.
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Select average vehicle speed display (km/h or - MPH) with function selector switch.
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Drive vehicle and push RESET button for at least 2 seconds. Instantaneous vehicle speed is indicated
If no display is indicated, vehicle speed signal is not present and/or speedometer or printed circuit board is faulty.
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Check vehicle speed signal.
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Replace speedometer and/or printed circuit board.