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)
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Other information:
Kia Niro 2017 (DE HEV) Service Manual: Side Airbag (SAB) Module Description and operation
Description
The Side Airbags (SAB) are installed inside the front seat and protects the driver
and passenger from danger when side crash occurs. The SRSCM determines deployment
of side airbag by using Side Impact Sensor (SIS) signal.
...
Kia Niro 2017 (DE HEV) Service Manual: Description and operation
Description
The HCU (Hybrid Control Unit) controls the overall hybrid systems and is connected
with each of the control modules (ECM, TCM, MCU, BMS, ECU, etc.) via CAN. The hybrid
system is controlled based on the brake switch signals.
...