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

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.

Repair procedures

Inspection Throttle Position Sensor (TPS) 1. Connect the diagnostic tool on the Data Link Connector (DLC). 2...

Manifold Absolute Pressure Sensor (MAPS). Specifications

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

Other information:

Hyundai Santa Fe (TM) 2019-2025 Owner's Manual: Tire pressure monitoring system

WARNING Over-inflation or under-inflation can reduce tire life, adversely affect vehicle handling, and lead to sudden tire failure that may cause loss of vehicle control resulting in an accident. Each tire, including the spare (if provided), should be checked monthly when cold and inflated to the inflation pressure recommended by the vehicle manufacturer on the vehicle placard or tire inflation pressure label...

Hyundai Santa Fe (TM) 2019-2025 Service Manual: Seat Belt Pretensioner (BPT). Components and components location

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