Operation CHARM: Car repair manuals for everyone.
Hosted by mcallihan.com

Air Flow Meter/Sensor: Testing and Inspection



1. INSPECT MAF METER RESISTANCE.



- Using an ohmmeter, measure the resistance between terminals THA and E2.

MAF Meter Resistance Specifications:




- If the resistance is not as specified, replace the MAF meter.

2. INSPECT MAF METER OPERATION.



- Connect the MAF meter connector.
- Using a voltmeter, connect the positive (+) test probe to terminal VG, and negative (-) tester probe to terminal VG (-).
- Blow air into the MAF meter, and check that the voltage fluctuates.
- If operation is not as specified, replace the MAF meter.
- Disconnect the MAF meter connector.

See also:
- Refer to the trouble code charts for DTC P0100 and P0101, under "Diagnostic Charts".