Hyundai Sonata LF Quiz
Engine Control System/Fuel System

Ambient Air Temperature Sensor (ATS) Description and Operation

In this manual: Engine Control System/Fuel System
General Information — 9Engine Mechanical System — 90Engine Electrical System — 58Emission Control System — 24Engine Control System/Fuel System — 114Drive Shaft and Axle — 15Suspension System — 35Steering — 19Restraints — 50Brake System — 54Body (Interior and Exterior) — 213Body Electrical System — 241Heating, Ventilation, and Air Conditioning — 56DCT (Dual Clutch Transmission) System — 52
~1min read

Description

The Ambient Air Temperature (ATS) sensor is installed on the interface module and measures the ambient temperature. The ECM receives not only the intake air temperature but also ambient air temperature information, which is used at the same time to accurately control the intake air amount through the turbocharger. The electrical resistance of the thermistor decreases as the temperature increases and increases as the temperature decreases. This sensor has a negative temperature coefficient (NTC), and its resistance is inversely proportional to temperature.

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A quick Hyundai Sonata LF quiz: every answer comes with an explanation and a link to the manual page.