Follow either of these procedures:
Kia Niro 2017 (DE HEV) Service Manual: Compressor Schematic diagrams
Schematic Diagrams
Connector Pin
Connector Pin Function
Connector
Pin No.
Function
A
1
12V Power Ground
2
Climate CAN Low
3
...
Kia Niro 2017 (DE HEV) Service Manual: Components and components location
Components
1. Pressure Source Unit (PSU)
2. Integrated Brake Actuation Unit (IBAU)
3. Front wheel speed sensor
4. Rear wheel speed sensor
...