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
If it fails: lemon-manuals.org.ua

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Air Flow Meter/Sensor

Black Connector Testing Schematic:

Gray Connector Testing Schematic:

CIRCUIT / PIN / WIRE COLOR

MAF / 14 / light blue/red

MAF RTN / 9/15 / tan/light blue

PWR GND / 40/60 / black/light green

VPWR / 37/57 / red