Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the logical successor to CHARM, I recommend you try it!

Link: lemon-manuals.la

Vehicle Speed Sensor: Description and Operation

Description
The vehicle speed sensor is a reed switch. The speed sensor is built into the speedometer and converts the transaxle gear revolutions into pulse signals, which are sent to the engine control module.