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)
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Vehicle Speed Sensor: Description and Operation
Vehicle Speed Sensor (VSS) The input signal for rear wheel speed originates at the
VSS. The Powertrain Control Module
(PCM) or Vehicle Speed Sensor Buffer
(VSSB) receives rear wheel speed input from the VSS and supplies this information to the EBCM.