Operation CHARM: Car repair manuals for everyone.

Air Flow Meter/Sensor: Testing and Inspection

1. Remove the air flow meter.
2. Check the air flow meter body for cracks.
3. Check that the measuring plate moves smoothly.
4. Disconnect the connector from the air flow meter.

Air Flow Meter Test -- Closed Position:




Air Flow Meter Test -- Open Position:




Terminal Specifications:





5. Move the measuring plate and check for resistance between the terminals with an ohmmeter.
6. Reconnect the connector after checking.