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
DESCRIPTION The
Vehicle Speed Sensor (VSS) generates an A/C signal which is sent to to the instrument cluster. The A/C signal is converted to a D/C signal and then sent to the Powertrain Control Module
(PCM) to control such parameters as fuel injection, ignition timing, transaxle shift scheduling, torque converter clutch scheduling
