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
MAP/VAC Sensor
Voltage generated by the
Manifold Absolute Pressure (
MAP) or vacuum sensors will be displayed. Sensors generate low voltage (approx. 1 volt) when pressure is low or manifold vacuum is high, and high voltage (approx. 4.5 volts) when pressure is high or vacuum is low.