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Home >> Subaru >> 2003 >> Impreza TS, Automatic >> Repair and Diagnosis >> Electrical >> Gauges >> Instruments/Driver Info - Mechanism & Function >> Combination Meter >> Speedometer >> Operation

Combination Meter: Speedometer: Operation

MT model:  The vehicle speed sensor sends vehicle speed signals (4 pulses per rotation of speed sensor's driven shaft) to the speedometer drive circuit and odometer/trip meter drive circuit in the speedometer.

AT model:  The TCM sends vehicle speed signals (4 pulses per rotation of output shaft) to the speedometer drive circuit and odometer/trip meter drive circuit in the speedometer.

NOTE: Signals from the speed sensor or TCM are also used by the engine control module, automatic transmission control module, etc.
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