Accord Wagon EX L4-2156cc 2.2L SOHC (VTEC) MFI (1997)
Speedometer Head: Description and Operation
Speedometer and Odometer
The odometer and speedometer drive circuits receive pulses from the Vehicle Speed Sensor (VSS). The pulse rate increases as the car accelerates.
The frequency and duration of these input pulses are measured and displayed by the speedometer, odometer, and tripmeter.