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
Circuit Operation
With the starter switch in
ON or
START, the
VSS receives power. For every rotation, the VSS outputs four pulses to the engine (M/T) or powertrain (A/T) control module (ECM or PCM), and the speedometer to gauge speed.