Kia Niro: High Voltage Battery Control System / Pre-Charge Relay Description and operation
| Description |
Built into the Power Relay Assembly (PRA), the Pre-Charge Relay starts to charge the capacitor of the inverter soon after ignition "ON", then it goes out when the capacitor has been fully charged.
|
1. High Voltage Power Terminal (-) 2. High Voltage Power Terminal (+) 3. Battery Current Sensor 4. Inverter Power Terminal (-) 5. Inverter Power Terminal (+) 6. Pre-Charge Resistor |
7. Main Relay (+) 8. Pre-Charge Relay 9. Main Relay (-) 10. Power Relay Assembly Connector (Battery current sensor signal input) 11. Power Relay Assembly Connector (Main relay control) |
| [PRA Operation Sequence] |
Pre-Charge Relay Specifications
Specification
Item
Specification
Contact
Rated Voltage (V)
450
Rated Current (A)
10
...
Pre-Charge Relay Schematic diagrams
Circuit Diagram
...
Other information:
Kia Niro 2017 (DE HEV) Service Manual: Fuel Pressure Sensor (FPS) Description and operation
Description
Installed on top of the low pressure fuel pump, the Fuel Pressure Sensor (FPS)
measures the pressure in the low pressure fuel line.
Based on the fuel pressure measured by the FPS and the amount of fuel consumed,
the fuel pump control module (FPCM) determines whether to ...
Kia Niro (DE HEV) Owners Manual: Owner’s responsibility
✽ NOTICE
Maintenance Service and Record Retention are the owner's responsibility.
We recommend in general that you have your vehicle serviced by an authorized
Kia dealer.
You should retain documents that show proper maintenance has been performed on
your vehicle in accordance with the s ...