Kia Niro: 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).

4.

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 2017 (DE HEV) Service Manual: Description and operation
Description The HCU (Hybrid Control Unit) controls whole hybrid systems and is connected with each control modules (ECM, TCM, MCU, BMS ECU etc.) by CAN interface. In addition this system uses the brake switch signals for controlling the hybrid system. & ...

Kia Niro (DE HEV) Owners Manual: Storing positions into memory using the buttons on the door
Storing driver’s seat positions 1. Shift the shift lever into P while the engine start/stop button is ON or ignition switch ON. 2. Adjust the driver’s seat and outside rearview mirror comfortable for the driver. 3. Press SET button on the control panel. The system will beep once. 4. Press ...

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