Operation CHARM: Car repair manuals for everyone.

Air Flow Meter/Sensor

Ign. Switch ON, Engine OFF Less than 1.0 Volts
At Idle, Engine warmed-up Approximately 1.5 - 2.0 Volts
Supply voltage 11-14 Volts DC
Output voltage [1] Approximately 1.5-2.0 Volts DC


[1] Engine warmed up sufficiently and idling under no load.