Hyundai Venue (QX): Manifold Absolute Pressure Sensor (MAPS) / Description and operation
Hyundai Venue (QX) (2020-2026) Service 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.
Specification Pressure [kPa (kgf/cm², psi)] Output Voltage (V) 20.0 (0.20, 2.9) 0.
Other information:
Hyundai Venue (QX) (2020-2026) Service Manual: A/C Pressure Transducer. Description and operation
Description The A/C Pressure Transducer (APT) converts the pressure value of high pressure line into voltage value after measuring it. By converted voltage value, engine ECU controls the cooling fan by operating it high speed or low speed.
Hyundai Venue (QX) (2020-2026) Service Manual: Temperature Control Actuator. Description and operation
Description The temperature control actuator is located at the heater unit. It regulates the temperature by the procedure as follows. The signal from the control unit adjusts the position of the temperature door by operating the temperature switch.
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