Inspection

INSPECT MASS AIR FLOW METER




a. Output voltage inspection.
1. Apply battery voltage across terminals 3 (+B) and 4 (E2G).
2. Connect the positive (+) tester prove to terminal 5 (VG), and negative (-) tester prove to terminal 4 (E2G).
3. Blow air into the MAP meter, and check if the voltage fluctuates.

b. Resistance inspection.
1. Using an Ohmmeter, measure resistance between the terminals 2 (THA) and 1 (E2).

Resistance:
12.5 - 16.9 Ohm at -20 °C (-4 °F)
2.19 - 2.67 Ohm at 20 °C (68 °F)
0.50 - 0.68 Ohm at 60 °C (140 °F)