Accord DX Sedan L4-2254cc 2.3L SOHC MFI (2001)
Vehicle Speed Sensor: Description and Operation
Vehicle Speed Sensor (VSS) (M/T)
The speed sensor is driven by the differential. It generates a pulsed signal from an input of 5 volts. The number of pulses per minute increases/decreases
with the speed of the vehicle.
How the Circuit Works
The indicator lights are controlled by different conditions in their associated systems. Refer to each associated system to see its entire schematic.
With the ignition switch in ON (II) or START (III), battery voltage is supplied through fuse 6 (in driver's under-dash fuse/relay box) and the BLK/YEL
wire to the vehicle speed sensor. The sensor is grounded at G101. The speedometer and other control units in the circuit supply 5 volts or more to the
BLU/WHT wire. The vehicle speed sensor intermittently grounds the BLU/WHT wire which generates a pulsed signal in it. The number of pulses per
minute increases/decreases with the speed of the car.
