Hyundai Genesis (DH): Engine Control System / Barometric Pressure Sensor (BPS) Description and Operation

Hyundai Genesis (DH) 2013-2016 Service Manual / Engine Control / Fuel System / Engine Control System / Barometric Pressure Sensor (BPS) Description and Operation

Description
Barometric Pressure Sensor (BPS) is a speed-density type sensor and is installed on the air cleaner assembly. It senses absolute pressure of the air cleaner assembly 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 BPS 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 one side of the silicon diaphragm is 100% vacuum and the other is affected by the manifold pressure, this sensor can output analog signal by using the silicon variation proportional to pressure change.

    Inspection If idle rpm is unstable or engine stops, check the ETC module operation with GDS diagnostic tool. And if necessary, clean carbon in the throttle body.

    Specification Pressure (kPa)Output Voltage (V)10.00.5055.02.21100.03.93115.04.50

    Other information:

    Hyundai Genesis (DH) 2013-2016 Service Manual: License Lamps Repair procedures

    Removal 1. Disconnect the negative (-) battery terminal. 2. Remove the trunk lid panel. (Refer to Body - "Trunk Lid Back Panel") 3. Remove the license lamp after disengaging the license lamp mounting clip (A) 4. Remove the license lamp assembly after disconnecting the license connector (A).

    Hyundai Genesis (DH) 2013-2016 Service Manual: Rear Combination Lamp Repair procedures

    Removal 1. Disconnect the negative (-) battery terminal. 2. After loosening the nuts (4EA) holding the rear combination lamp and disconnecting the connector (A), remove the outside rear combination lamp assembly. 3. Remove the bulb (A) after turning it in the counter clock-wise direction.

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