Kia Niro: High Voltage Battery System / Power Relay Assembly (PRA) Description and operation

Kia Niro 2017 (DE HEV) Service Manual / Hybrid Control System / 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: Steering wheel remote control
❈ The actual features in the vehicle may differ from the illustration. (1) MUTE Press to mute audio output. (2) MODE Press the button to change the mode in the following order: Radio ➟ Media. (3) VOLUME Press to adjust the volume. (4) UP/DOWN Press the button in radio mode ...

Kia Niro 2017 (DE HEV) Service Manual: Repair procedures
Service Adjustment procedure Steering Wheel Play Inspection 1. Turn the steering wheel so that the front wheels are facing straight ahead. 2. Measure the distance that the steering wheel can be turned without moving the front wheels. ...

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