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
Air Flow Meter/Sensor: Description and Operation
PURPOSE / OPERATION The
Volume Air Flow Sensor measures the intake air volume. It makes use of a Karman Vortex to detect the air flow rate and sends it to the Engine Control Module as the intake air volume signal. The Engine Control Module uses this intake air volume signal to decide the basic fuel injection duration.