Kia Niro: High Voltage Battery Control System / Safety Plug Description and operation

Description

Safety Plug is installed on the rear side of the high voltage battery and it can mechanically shut the high voltage circuit off when servicing the high voltage system (i.e. High Voltage Battery, Power Relay Assembly, HPCU, BMS ECU, Hybrid Drive Motor, Inverter, HSG, LDC, Power Cable, etc.).

It includes a fuse in order to prevent the high voltage system from overcurrent.

Safety Plug Specifications
Specification Item Specification Rated Voltage (V) 450 Rated Current (A) 80 Fuse Rat ...

Safety Plug Schematic diagrams
Circuit Diagram Harness Connector [Interlock] ...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Rear Upper Arm Repair procedures
Removal 1. Disconnect the battery negative cable. 2. Remove the wheel and tire. Tightening torque: 107.9 - 127.5 N·m (11.0 - 13.0 kgf·m, 79.6 - 94.0 lb·ft) ...

Kia Niro 2017 (DE HEV) Service Manual: Description and operation
Description The high voltage battery system consists of the BMS ECU (Battery Management System ECU), Power Relay Assembly (PRA), safety plug, battery temperature sensor, and battery ambient sensor. Especially the BMS ECU controls SOC (State Of Charge), power, cell balancing, cooli ...

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