Kia Soul EV: High Voltage Battery Control System / Runaway Arresting Device (RAD) Description and Operation

Description

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.

RAD

RAD on 10 cells

RAD on 14 cells

RAD Wiring Harness

Operation

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 ...

Circuit Diagram ...

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Components 1. Guide rod bolt2. Bleed screw3. Caliper carrier4. Caliper body5. Inner pad shim6. Brake pad7. Pad retainer ...