Kia Stinger CK: Engine Control System / Barometric Pressure Sensor (BPS)

Kia Stinger (CK) 2018-2023 Service Manual / Engine Control / Fuel System / Engine Control System / Barometric Pressure Sensor (BPS)

Specifications

Specification

Item	Specification
Output Voltage (V)	5
Pressure (KPa)	32.5 - 284
Operating Voltage (V)	4.5 - 5.5

Pressure [kPa (kgf/cm², psi)]	Output Voltage (Vref = 5V)
32.5 (0.33, 4.71)	0.5
70 (0.71, 10.1)	1.1
270 (2.75, 39.1)	4.3
284 (2.89, 41.1)	4.5

Description and operation

Description

Installed on the intercooler assembly, the Boost Pressure Sensor (BPS) measures the pressure of compressed air in the turbocharger.

The BPS consists of a piezo-electric element and a hybrid IC amplifying the element's output signal. The element is silicon diaphragm type and adapts pressure sensitive variable resistor effect of semi-conductor. One side of silicon diaphragm is 100% vacuum and turbocharger pressure is applied on the other side. Hence, output is gained from the silicon variation in proportion to the pressure change.

Schematic diagrams

Circuit Diagram

Harness Connector

Repair procedures

Inspection

1.	Connect the KDS on the Data Link Connector (DLC).

Measure the output voltage of the BPS during idle with IG ON.

Pressure [kPa (kgf/cm², psi)]	Output Voltage (V) [Vref=5V]
20.0 (0.20, 2.9)	0.79
46.7 (0.47, 6.77)	1.84
101.3 (1.03, 14.7)	4.0

Removal

1.	Switch "OFF" the ignition and disconnect the negative (-) battery terminal.

2.	Disconnect the boost pressure sensor connector (A).

Remove the mounting bolts (B), and then remove the sensor from the intercooler outlet pipe.

Boost pressure sensor mounting bolt :

9.8 - 11.8 N·m (1.0 - 1.2 kgf·m, 7.2 - 8.7 lb·ft)

Installation

•	Install the component to the specified torques.

•	Note that internal damage may occur when the component is dropped. If the component has been dropped, inspect before installing.

•	Insert the sensor in the installation hole and be careful not to damage it.

1.	Install in the reverse order of removal.

Intake Air Temperature Sensor (IATS)

Engine Coolant Temperature Sensor (ECTS)

Other information:

Kia Stinger (CK) 2018-2023 Service Manual: Crash Pad

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(1) Power liftgate open/close button (2) Power liftgate handle switch (3) Power liftgate close button ✽ NOTICE If the engine start/stop button is ON, the power liftgate can operate when the automatic transmission is in P (Park). WARNING Never leave children or animals unattended in your vehicle. Children or animals might operate the power liftgate which could result in injury to themselves or others, or damage the vehicle.