Operation CHARM: Car repair manuals for everyone.

Air Flow Meter/Sensor: Specifications

Voltage between terminal 1 and ground:
Ignition Switch ON (eng. stopped) Less than 1.0 Volts
Idle (Eng. warmed-up sufficiently 1.0 - 1.7 Volts
Idle to about 4000 rpm 1.0 - 1.7 to Approx. 4.0 Volts