Kia Soul EV Owner's Manual Quiz
Electric Vehicle Battery System

Quick Charge Relay Assembly (QRA) Description and Operation

In this manual: Electric Vehicle Battery System
General Information — 17Maintenance — 17Drive Shaft and Axle — 15Suspension System — 36Steering — 24Restraints — 48Brake System — 37Body (Interior and Exterior) — 207Body Electrical System — 203Heating, Ventilation, and Air Conditioning — 80Electric Vehicle Battery System — 115
2steps
~12min
1/5difficulty
Done 0 of 2

Description

The Quick Charge Relay Assembly (QRA) is installed in the high voltage junction box and consists of main relays that control high voltage. The QRA controls the high voltage between the high voltage battery and the high voltage junction box by control signals from the BMS. If the QRA operates, the PRA also operates. [Main function]
  1. During quick charging, it acts as a switch that supplies high voltage to the battery.
  2. Overcharge prevention role

Operation

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