Air Flow Meter/Sensor: Testing and Inspection

Fig. 26 Air Flow Meter 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:

5. Move the measuring plate and check for resistance between the terminals with an ohmmeter. Compare the readings to the chart below.

Air Flow Meter Test Values:

6. Reconnect the connector after checking.