Intake Air Temperature (IAT) Sensor
Measure resistance between terminals No. 1 (Blue/Green wire) and No. 3 (Black/Red wire) of MAF sensor. Refer to the INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE . If resistance is as specified, go to next step. If resistance is not as specified, replace MAF sensor.
INTAKE AIR TEMPERATURE (IAT) SENSOR RESISTANCE
| Measure Between Terminals | Resistance | |
|---|---|---|
| No. 1 (BLU/GRN) & No. 3 (BLK/RED) | ||
| 140°F (60°C) | 493-667 | |
| 68°F (20°C) | 2210-2690 | |
| -4°F (-20°C) | 13,600-18,400 | |