Airflow Meter
Turn ignition off. Disconnect wiring connector from airflow meter. Note terminal identification. See Fig 1 Using an ohmmeter, measure resistance between specified terminals. Replace airflow meter if not within specification. See AIRFLOW METER RESISTANCE SPECIFICATIONS table.
AIRFLOW METER RESISTANCE SPECIFICATIONS
| Application Terminals | Ohms | |
|---|---|---|
| E2-THA | ||
| -4°F (20°C) | 10,000-20,000 | |
| 32°F (0°C) | 4000-7000 | |
| 68°F (20°C) | 2000-3000 | |
| 104°F (40°C) | 900-1300 | |
| 140°F (60°C) | 400-700 | |
| E2-Vc | 100-300 | |
| E2-Vb | 200-400 | |
| E1-Fc | ||
| Measuring Plate Fully Closed | Infinity | |
| Measuring Plate Other Than Closed | 0 | |
| E2-Vs | ||
| Fully Closed | 20-400 | |
| Fully Open | 20-1000 | |