Air Flow Meter/Sensor: Specifications

MASS AIR FLOW SENSOR
Voltage between terminal 1 and ground
Engine stopped Less than 1.0 volt
Idle (engine warm) 1.0-1.7 volts
About 4,000 rpm [01] 1.0-1.7 to 4.0 volts

[01] - Check for linear voltage rise in response to increases to about 4,000 rpm in engine speed.