Kia Niro: High Voltage Battery Control System / BMS ECU Repair procedures

Kia Niro 2017 (DE HEV) Service Manual / Hybrid Control System / High Voltage Battery Control System / BMS ECU Repair procedures

Removal

•	Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

•	Be sure to shut off the high voltage before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

1.	Shut off the High Voltage circuit. (Refer to Hybrid Control System - “High Voltage Shutoff Procedure”)

2.	Remove the high voltage front cover. (Refer to High Voltage Battery System - "Case")

3.	Disconnect the BMS ECU Connector (A).

Remove the BMS ECU (B) after loosening the mounting nuts.

BMS ECU mounting nut :

7.8 - 11.8 N·m (0.8 - 1.2 kgf·m, 5.8 - 8.7 lb·ft)

Installation

•	Be sure to read and follow the “General Safety Information and Caution” before doing any work related with the high voltage system. Failure to follow the safety instructions may result in serious electrical injuries.

•	Be sure to shut off the high voltage before doing any work related with the high voltage system(Refer to "High Voltage Shut-off Procedure"). Failure to follow the safety instructions may result in serious electrical injuries.

1.	Install the BMS ECU in the reverse order of removal.

BMS ECU Schematic diagrams

BMS ECU Terminal And Input/Output Signal Connector [B01-VC] (24pin) : High Voltage Battery Cell Voltage Check Connector Pin No. Descript ...

Safety Plug Specifications

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

Other information:

Kia Niro (DE HEV) Owners Manual: Parking Brake & Brake Fluid Warning Light
This warning light illuminates: Once you set the ignition switch or Engine Start/Stop Button to the ON position. - It illuminates for approximately 3 seconds - It remains on if the parking brake is applied. When the parking brake is applied. When the brake fluid level in the reservoir ...

Kia Niro (DE HEV) Owners Manual: Warning type
The system will activate when: 1.The system is on 2.Vehicle speed is above 30 km/h (18.6 mph) 3.Other vehicles are detected in the rear side 1st stage If a vehicle is detected within the boundary of the system, a warning light will illuminate on the outside rearview mirror. If the detected ...