Air Flow Meter/Sensor: Testing and Inspection

MAF METER REMOVAL / INSTALLATION
1. REMOVE AIR CLEANER HOSE
- Disconnect the PCV hose.
- Loosen the 2 hose clamps, and remove the air cleaner hose.

2. REMOVE MAF METER



- Disconnect the MAF meter connector.
- Remove the 2 bolts and MAF meter.

Torque: 6.9 Nm (70 kgf.cm, 61 in.lb)

INSTALLATION HINT: Installation is in the reverse order of removal.


MAF METER INSPECTION
1. INSPECT MAF METER RESISTANCE



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



- 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 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.