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 spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Vehicle Speed Sensor: Description and Operation

^ Model 929S (DOHC engine) is equipped with an electrically operated speedometer which calculates and displays vehicle speed based on signals from a transmission mounted speed sensor.
^ Driven by the transmission mainshaft, the sensor produces a signal of 20 pulses per shaft rotation.
^ In addition to its speedometer function, the speed signal is utilized for a variety of ECU output calculations.