Where is Intake Air Temperature Sensor Located On Acura?

Intake Air Temperature (TA) Sensor
REMOVAL & INSTALLATION: ---

The sensor is located on the intake manifold or air plenum. It is removed and installed in straightforward fashion; disconnect the wiring connector and remove the mounting screws. Remove the sensor.

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How to replace Oldsmobile Intake Air Temperature (IAT) Sensor?

Intake Air Temperature (IAT) Sensor details are as follows :---

REMOVAL & INSTALLATION

WARNING

Care must be taken when handling the IAT sensor. Damage to the IAT sensor will affect proper operation of the fuel injection system.

NOTE

The IAT sensor is located on the air intake housing, near the Mass Air Flow (MAF) sensor.

Fig. The IAT sensor is located upstream in the air intake system and is usually close to the Mass Air Flow sensor-3.5L (VIN H) engine shown, other similar

1. Detach the electrical connector.
2. Carefully grasp the sensor and twisting counterclockwise, remove the IAT sensor from the air intake duct.
3. Installation is the reverse of removal.

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Intake Air Temperature (IAT) Sensor operation?

Intake Air Temperature (IAT) Sensor operation dtails are as follows ;---


OPERATION


The Intake Air Temperature (IAT) sensor is a thermistor which changes value based on the temperature of the air entering the engine. Low temperature produces a high resistance (100,000 ohms at -40°F.) while high temperature causes low resistance (70 ohms at 266°F.). The PCM supplies a voltage (about 5.0V) through a pull up resistor to the PCM's IAT signal circuit and measures the voltage. The voltage will be high when the in coming air is cold, and low when the air is hot. By measuring the voltage, the PCM calculates the in coming air temperature. The IAT sensor signal is used to adjust spark timing according to incoming air density.

A technician's scan tool displays the temperature of the air entering the engine, which should read close to the ambient air temperature when the engine is cold, and rise as the underhood temperature increases. If the engine has not been run for several hours (overnight), the IAT sensor temperature and engine coolant temperature displays should be close to each other. A failure in the IAT sensor circuit should set a Diagnostic Trouble Code.


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