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Air Flow Meter/Sensor: Testing and Inspection

MAF METER INSPECTION
1. INSPECT MAF METER RESISTANCE.



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

MAF Meter Resistance:





- 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 (+) tester probe to terminal VG, and negative (-) tester probe to terminal EVG.
- Blow air into the MAF meter, and check that the voltage fluctuates.
- If operation is not as specified, replace the MAF meter.

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