Kia Niro: High Voltage Battery Control System / Main Relay (+) / (-) Description and operation
| Description |
Main Relay is divided into the positive (+) relay and negative (-) relay. It is integrated into the Power Relay Assembly (PRA) and connects the power supply line and ground line between the high voltage battery and the inverter in accordance with the BMS ECU control signal.
|
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] |
Main Relay (+) / (-) Specifications
Specification
Item
Specification
Contact
Rated Voltage (V)
450
Rated Current (A)
80
...
Main Relay (+) / (-) Schematic diagrams
Circuit Diagram
[B03-C] (Relay Control)
[B03-S] (Relay Control)
...
Other information:
Kia Niro (DE HEV) Owners Manual: Maintenance when trailer towing
Your vehicle will need service more often when you regularly pull a trailer.
Important items to pay particular attention to include engine oil, transaxle fluid,
axle lubricant and cooling system fluid. Brake condition is another important item
to frequently check. Each item is covered in this ...
Kia Niro 2017 (DE HEV) Service Manual: Evaporator Temperature Sensor Repair procedures
Inspection
1.
Switch "OFF" the ignition.
2.
Disconnect the evaporator temperature sensor connector.
3.
Measure the resistance between positive (+) and negative (-) terminals
of the evaporator temperature se ...
