Kia Soul EV: High Voltage Battery Control System / Runaway Arresting Device (RAD) Description and Operation
RAD is installed on each battery module.
If the high voltage battery is swollen by cell overcharge, RAD cuts the ground of the main relay and the pre-charge relay.
If the cell is overcharged, the switch turns OFF and the vehicle cannot be driven.




Module
| Normal
| Failure
|
Current
| ON (Connected)
| OFF (Cut off)
|
RAD
| -
| Switch rise
|
High Voltage
| Normal
| Cut off
|
Phenomenon
| Normal
| Failure on starting the motor and warning light
|
Diagram
| 
| 
|
Components Location
1. Runaway Arresting Device (RAD)2. Runaway Arresting Device (RAD) Wiring Harness
...
Other information:
Components
1. Roof side moulding [LH]2. Roof side moulding [RH]3. Movable glass 4. Wind deflector5. Decoration cover [LH]6. Decoration cover [RH]7. Center cover8. Panorama sunroof frame assembly9. Mechanism rail assembly10. Glass motor assembly11. Roller blind motor assembly
...
Component Location
1. Front seat shield inner cover
...