Kia Niro: High Voltage Battery System / Power Relay Assembly (PRA) Description and operation
| Description |
The Power Relay Assembly (PRA) consists of the positive and negative main relays, pre-charge relay, pre-charge resistor and battery current sensor. It is located inside the battery pack assembly and controls the high voltage power circuit between the high voltage battery and inverter by the control signal of BMS ECU.
|
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] |
Power Relay Assembly (PRA) Specifications
Specification
Power Relay Assembly
(PRA)
Item
Specification
Rated Voltage (V)
240
Rated Current (A)
...
Power Relay Assembly (PRA) Repair procedures
Removal
•
Be sure to read and follow the “General Safety Information and
Caution” ...
Other information:
Kia Niro (DE HEV) Owners Manual: Electronic Brake force Distribution (EBD) System Warning Light
These two warning lights illuminate at the same time while driving:
• When the ABS and regular brake system may not work normally.
In this case, we recommend that you have the vehicle inspected by an authorized
Kia dealer.
WARNING - Electronic Brake force Distribution (EBD) System Warning L ...
Kia Niro 2017 (DE HEV) Service Manual: Special service tools
Special Service Tools
Tool Name / Number
Illustration
Description
Deployment tool
0957A-34100A
Used for deploying airbag
Deployment adapter
0K57A-3U100A
...
