Hyundai Equus: Intake Air Temperature Sensor (IATS) Description and Operation
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 Service Manual / Engine Control/Fuel System / Engine Control System / Intake Air Temperature Sensor (IATS) Description and Operation
Second generation VI (2009–2024) / Hyundai Equus VI 2009-2024 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
Manifold Absolute Pressure Sensor 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 MAPS signal but also IATS signal.
This sensor has a Negative Temperature Coefficient (NTC) Thermister and
it's resistance changes in reverse proportion to the temperature.
Manifold Absolute Pressure Sensor (MAPS) Repair procedures
Inspection
1.
Connect the GDS on the Data Link Connector (DLC).
2.
Measure the output voltage of the MAPS at idle and IG ON.
Specification: Refer to "Specification"
Removal
1.
Tur ...
Intake Air Temperature Sensor (IATS) Specifications
Specification
TemperatureResistance (kx)°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:
Advanced vehicle safety management (AVSM) (If equipped)
AVSM detects the distance from the vehicle ahead with the sensor, to warn you
before collision and protect you in certain hazardous situations by using warning
message, warning sound and seat belt ...
Wipers & Washers
A : Wiper speed control
-MIST – Single wipe
-OFF – Off
-AUTO – AUTO control wipe
-LO – Low wiper speed
-HI – High wiper speed
B : Auto control wipe time adjustment
C :Wash with brief wipes ...
Repair procedures
Inspection
Check it by the procedure below to see if the function of the ECM is normal.
1.
Turn the ignition key to the "ON" position.
2.
Cover the front looking sensor to stop functioning.
...
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