Kia Niro: Engine Control System / Manifold Absolute Pressure Sensor (MAPS) Repair procedures

Kia Niro 2017 (DE HEV) Service Manual / Engine Control/Fuel System / Engine Control System / Manifold Absolute Pressure Sensor (MAPS) Repair procedures

Inspection

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

Measure the output voltage of the MAPS 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 manifold absolute pressure sensor connector (A).

Remove the sensor (B) after loosening the mounting bolt from the intake manifold.

Manifold absolute 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 torque.

•	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.

Manifold Absolute Pressure Sensor (MAPS) Schematic diagrams

Circuit Diagram Harness Connector ...

Manifold Absolute Pressure Sensor (MAPS) Troubleshooting

Signal Waveform ...

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