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Airflow Meter
Inspect airflow meter for damage, and ensure measuring plate or cone moves smoothly. See Fig 1
. Disconnect airflow meter electrical connector. Move measuring plate or cone, and measure resistance between terminals. See appropriate AIRFLOW METER TERMINAL RESISTANCE
table. Replace sensor as necessary.
AIRFLOW METER TERMINAL RESISTANCE
| Terminals |
Temperature |
Ohms |
| E2 & Vs |
| Closed |
68°F (20°C) |
20-600 |
| Open |
68°F (20°C) |
20-1000 |
| E2 & Vc |
68°F (20°C) |
200-400 |
| E2 & THA |
-4°F (-20°C) |
10,000-20,000 |
| 68°F (20°C) |
2000-3000 |
| 140°F (60°C) |
400-700 |
Courtesy of MAZDA MOTORS CORP.