Sonata V6-3.0L (1991)
Air Flow Meter/Sensor: Testing and Inspection
Air Flow Sensor Location
To test the Air Flow Sensor, located inside the air cleaner housing, proceed as follows.
Air Flow Sensor, Test Hook-up
Air Flow Sensor System
1.
Connect a voltmeter between terminal 6 and 3 of the Air Flow Sensor (AFS) connector.
Terminal 6: Sensor ground
Terminal 3: AFS output
NOTE: To test pins do not remove the connector, instead insert a straight pin or needle from the back side of the connector to access the pin.
2.
Warm the engine and bring it to a normal idle.
3.
Measure the voltage of terminals 6 and 3 at both RPMs, to determine if it is within the given value.
Standard Values
Engine speed(rpm) Output voltage(V)
Idling to 3,000 RPM......2.7-3.2
