Vehicle Speed Sensor: Testing and Inspection
VEHICLE SPEED SENSORFor a vehicle with ABS system, vehicle speed signal comes from ABS module.
For a vehicle without ABS system, however, vehicle speed signal comes from the inductive wheel speed installed at the right front wheel.
Circuit Diagram:
TROUBLESHOOTING HINTS
If there is an open or short circuit in the vehicle speed sensor signal circuit, the engine may stall when the vehicle decelerates to a stop.