Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual / Engine Control / Fuel System / Engine Control System / Boost Pressure Sensor (BPS)

Hyundai Santa Cruz: Engine Control System / Boost Pressure Sensor (BPS)

- Description Boost pressure sensor (BPS) is installed on top of intercooler output pipe to measure the absolute intake manifold pressure.

- Specification ▷ Type : Piezo-resistive pressure sensor type

Item	Specification
Rated Voltage (V)	5
Pressure Range (KPa)	10 - 300
Dynamic Power Voltage(V)	4.75 - 5.25

Pressure [kPa (kgf/cm², psi)]	Output Voltage (Vref = 5V)
10 (0.10, 1.45)	0.5
155 (1.58, 22.47)	2.5
300 (3.05, 43.51)	4.5

- Circuit Diagram

Harness Connector

- Inspection

1. Connect the diagnostic tool on the Data Link Connector (DLC).

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

Pressure [kPa (kgf/cm², psi)]	Output Voltage (Vref = 5V)
10 (0.10, 1.45)	0.5
155 (1.58, 22.47)	2.5
300 (3.05, 43.51)	4.5

- Removal

1.Turn ignition switch OFF and disconnect the battery negative (-) cable.

2.Lift the vehicle.

3.Remove the engine room under cover.(Refer to Engine Mechanical System - "Engine Room Under Cover")

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

5.Remove the mounting bolts (B), and then remove the boost pressure sensor.

- Installation

• Install the component to the specified torques.

• If a part is dropped, replace it with a new one and discard the dropped part as invisible damage may be caused.

• 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)

- Description Mounted inside the Manifold Absolute Pressure Sensor, Intake Air Temperature Sensor (IATS) detects the intake air temperature.To precisely calculate the amount of air, correction ...

Ambient Temperature Sensor (ATS)

- Description Installed on the front-end module, the Ambient Temperature Sensor (ATS) senses the ambient temperature. ECM receives the intake air temperature and ambient air temperature at the ...

Other information:

Hyundai Santa Cruz (NX4A OB) 2021-2025 Service Manual: Power Window Motor
- Components - Inspection Front Power Window Motor 1.Disconnect the negative (-) battery terminal. 2.Remove the front door trim.(Refer to Body - "Front Door Trim") 3.Disconnect the motor connector from the motor. 4.Connect the motor terminals directly to battery voltage (12V) and ...

Hyundai Santa Cruz 2021-2025 Owners Manual: All Season & Summer Tires
All Season Tires HYUNDAI specifies all season tires on some models to provide good performance for use all year round, including snowy and icy road conditions. All season tires are identified by ALL SEASON and/or M+S (Mud and Snow) on the tire sidewall. Snow tires have better snow traction th ...