Hyundai Azera: Intake Air Temperature Sensor (IATS) Description and Operation
Fifth generation HG (2011–2026) / Hyundai Azera 2011-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Intake Air Temperature Sensor (IATS) Description and Operation
Fifth generation HG (2011–2026) / Hyundai Azera 2011-2026 Service Manual / Engine Control/Fuel System / Engine Control System / Intake Air Temperature Sensor (IATS) Description and Operation
| Description |
Intake Air Temperature Sensor (IATS) is included inside Barometric Pressure Sensor (BPS) and detects the intake air temperature.
To calculate precise air quantity, correction of the air
temperature is needed because air density varies according to the
temperature. So the ECM uses not only BPS signal but also IATS signal.
This sensor has a Negative Temperature Coefficient (NTC) thermistor and
it's resistance changes in reverse proportion to the temperature.
Barometric Pressure Sensor (BPS) Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the BPS at idle and IG ON.
Specification: Refer to "Specification"
Removal
1.
Turn ...
Intake Air Temperature Sensor (IATS) Specifications
Specification
TemperatureResistance (k?)°C°F-40-4040.93 ~ 48.35-20-413.89 ~ 16.030325.38 ~ 6.0910503.48 ~ 3.9020682.31 ~ 2.57401041.08 ~ 1.21601400.54 ~ 0.66801760.29 ~ 0.34
...
See also:
Components and Components Location
Components
1. LDWS ON/OFF switch2. Instrument cluster3. LDWS unit
...
Intake Manifold Components and Components Location
Components
1. Intake manifold
...
CVVT Oil Control Valve (OCV) Specifications
Specification
ItemSpecificationCoil Resistance (?)9.4 ~ 10.4 [20°C(68°F)]
...
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