RAV4 2WD L4-2.4L (2AZ-FE) (2004)
Air Flow Meter/Sensor: Testing and Inspection
INSPECTION
1. DISCONNECT MAF METER CONNECTOR
2. REMOVE MAF METER
Remove the 2 screws and MAF meter.
3. INSPECT MAF METER
a
Using an ohmmeter, measure the resistance between terminals THA and E2.
Resistance:
If the resistance is not as specified, replace the MAF meter.
b. Inspect operation.
1. Connect the MAF meter connector.
2. Connect the negative (-) terminal cable to the battery.
3. Turn the ignition switch ON.
4. Using a voltmeter, connect the positive (+) tester probe to terminal VG, and negative (-) tester probe to terminal E2G.
5. Blow air into the MAF meter, and check that the voltage fluctuates.
If operation is not as specified, replace the MAF meter.