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Hyundai Azera: Engine Coolant Temperature Sensor (ECTS) Description and Operation - Engine Control System - Engine Control/Fuel System - Hyundai Azera 2011-2025 Service ManualHyundai Azera: Engine Coolant Temperature Sensor (ECTS) Description and Operation

Description
Engine Coolant Temperature Sensor (ECTS) is located in the engine coolant passage of the cylinder head for detecting the engine coolant temperature. The ECTS uses a thermistor whose resistance changes with the temperature.
The electrical resistance of the ECTS decreases as the temperature increases, and increases as the temperature decreases. The reference +5V is supplied to the ECTS via a resistor in the ECM. That is, the resistor in the ECM and the thermistor in the ECTS are connected in series. When the resistance value of the thermistor in the ECTS changes according to the engine coolant temperature, the output voltage also changes.ion duration and controls the ignition timing using the information of engine coolant temperature to avoid engine stalling and improve drivability.
During cold engine operation, the ECM increases the fuel injection duration and controls the ignition timing using the information of engine coolant temperature to avoid engine stalling and improve drivability.

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. ConditionOutput Voltage (V)IG ONApprox. 4.44VIdleApprox. 0.75V ...

Engine Coolant Temperature Sensor (ECTS) Specifications
Specification TemperatureResistance (k?)°C°F-40-4048.14-20-414.13 ~ 16.830325.7920682.31 ~ 2.59401041.15601400.59801760.32 ...

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License Lamp Repair procedures
Removal 1. Disconnect the negative(-) battery terminal. 2. Remove the license lamp (A) with loosening a screw. Installation 1. Install the bulb. 2. Install the license lamp lens. ...

Specifications
Specifications Fuel Delivery System ItemsSpecificationFuel TankCapacity70 lit. (18.5 U.S.gal., 74.0 U.S.qt., 61.6 Imp.qt.)Fuel FilterTypePaper typeFuel PressureLow Pressure Fuel Line480 ~ 520 ...

Repair procedures
Inspection (With GDS) 1. Check BCM input/output specification of multifunction switch using the GDS. If the specification is abnormal, replace the lamp or wiper switch. 2. If diagnosis is ...

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