Kia Niro: High Voltage Battery Control System / Pre-Charge Resistor Description and operation
| Description |
Built into the Power Relay Assembly (PRA), the Pre-Charge Resistor protects the high voltage circuit by limiting the current while the inverter capacitor is being charged.
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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) |
Pre-Charge Resistor Specifications
Specification
Item
Specification
Resistance (Ω)
40 [20°C (68°F)]
Rated power (W)
40
...
Pre-Charge Resistor Schematic diagrams
Circuit Diagram
[B03-C] (Relay Control)
[B03-S] (Relay Control)
...
Other information:
Kia Niro 2017 (DE HEV) Service Manual: Description and operation
Description
The High Voltage Battery System provides the hybrid drive motor, HSG, and electric
A/C compressor with electric energy and also reserves the electric energy generated
during regeneration braking. It consists of the battery pack assembly, BMS ECU,
power relay assembly, ...
Kia Niro 2017 (DE HEV) Service Manual: Evaporative Emission Control System Schematic diagrams
Schematic Diagram
1. Air cleaner
2. Delivery pipe & injector
3. Engine
4. Purge control solenoid valve (PCSV)
5. Fuel tank air filter
6. High pressure fuel pump
7. Fuel filler hose
8. Fuel filler cap
9. Fuel tank
10. Low p ...