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.

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 (DE HEV) Owners Manual: One time driving information mode
This display shows trip distance (1), average fuel economy (2) and the vehicle can be driven with the remaining fuel (3). This information is displayed for a few seconds when you turn off the engine and then goes off automatically. The information provided is calculated according to each tr ...

Kia Niro (DE HEV) Owners Manual: Smart key
To remove the mechanical key, press and hold the release button (1) and remove the mechanical key (2). To reinstall the mechanical key, put the key into the hole and push it until a click sound is heard. WARNING - Ignition key (smart key) Leaving children unattended in a vehicle with the igni ...

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