Hyundai Santa Fe (TM): Engine Control System / Manifold Absolute Pressure Sensor (MAPS). Description and operation

Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual / Engine Control/Fuel System / Engine Control System / Manifold Absolute Pressure Sensor (MAPS). Description and operation

Description
Manifold Absolute Pressure Sensor (MAPS) is a speed-density type sensor and is installed on the surge tank. It senses absolute pressure of the surge tank and transfers the analog signal proportional to the pressure to the ECM. By using this signal, the ECM calculates the intake air quantity and engine speed.
The MAPS consists of a piezo-electric element and a hybrid IC amplifying the element output signal. The element is silicon diaphragm type and adapts pressure sensitive variable resistor effect of semi-conductor. Because 100% vacuum and the manifold pressure apply to both sides of the sensor respectively, this sensor can output analog signal by using the silicon variation proportional to pressure change.

    Description and operation Description The Electronic Throttle Control (ETC) System consists of a throttle body with an integrated control motor and throttle position sensor (TPS).

    Specification Pressure (kPa) Output Voltage (V) 20.0 0.79 46.7 1.

    Other information:

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Components and components location

    Component Location Index Engine Room 1. Service port (High pressure) 2. A/C pressure transducer (APT) 3. Service port (Low pressure) 4. Compressor 5. Suction & Liquid pipe assembly 6. Expansion valve Interior 1.

    Hyundai Santa Fe (TM) 2019-2023 Service and Repair Manual: Compressor. Description and operation

    Description The compressor is the power unit of the A/C system. It is located on the side of engine block and driven by a V-belt of the engine. The compressor changes low pressure and low temperature refrigerant gas into high pressure and high temperature refrigerant gas.

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