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:
Specification
Output
100kWDC 500V, 200A50kWDC 450V, 110A
...
Spectification
ItemSpecificationCoilCapacity (W)60Resistance (?)30
...