Contents: Examination ⇓ Replacement ⇓
Examination
1. The incoming air temperature sensor is a thermistor, meaning its resistance decreases as the sensor temperature increases.
4-cylinder models and 6-cylinder models from 1998
2. Check that the sensor's resistance at room temperature is approximately 35.5–39.2 kOhm. Heat the sensor to 60°C and check that its resistance drops to 7–8 ohms. Replace the sensor if it is faulty.
Models with 6-cylinder engine 1993–1997
3. Check that the sensor's resistance at room temperature is approximately 2–3 kOhm. Heat the sensor to 60°C and check that its resistance drops to 400–700 Ohms. Replace the sensor if it is faulty.
Replacement
1. Disconnect the negative battery cable.
4-cylinder models and 6-cylinder models from 1998
2. Disconnect the sensor connection connector and unscrew the sensor from the air filter housing.
3. Installation is carried out in the reverse order of removal.
Models with 6-cylinder engine 1993–1997
4. The air temperature sensor is part of the air flow sensor and can only be replaced together with the air flow sensor.