Airflow Meter
- Turn ignition off. Disconnect electrical connector from airflow meter. Note location of air-flow meter components and terminal identification. See Fig 1 and Fig 2 .
- Using ohmmeter, measure resistance between specified terminals. See AIRFLOW METER RESISTANCE SPECIFICATIONS table. Replace airflow meter if resistance is not within specification.
AIRFLOW METER RESISTANCE SPECIFICATIONS
| Application & Terminals | Ohms | |
|---|---|---|
| E2-VC | 200-400 | |
| 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 | |
| E1-FC | ||
| Measuring Plate Fully Closed | No Continuity | |
| Measuring Plate Other Than Closed | 0 | |
| E2-VS | ||
| Measuring Plate Fully Closed | 200-600 | |
| Measuring Plate Fully Opened | 20-1200 | |