Kia Niro: Hybrid Control System / Hybrid Control Unit (HCU) Repair procedures

Kia Niro 2017 (DE HEV) Service Manual / Service Highlight / Hybrid Control System / Hybrid Control Unit (HCU) 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.

Refer to “HPCU”.

The HCU is integrated into the HPCU that can’t be disassembled. So refer to “HPCU” for the removal or installation procedure of the HCU.

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.

Refer to “HPCU”.

The HCU is integrated into the HPCU that can’t be disassembled. So refer to “HPCU” for the removal or installation procedure of the HCU.

Hybrid Control Unit (HCU) Schematic diagrams

HCU Terminal And Input/Output Signal Terminal Function Connector [C133-S] Pin No. Description Connected to 1 ...

High Voltage Battery System

...

Other information:

Kia Niro 2017 (DE HEV) Service Manual: Specifications
Specifications Hybrid Drive Motor Item Specification Type PMSM (Interior Permanent Magnet Synchronous Motor) Max. output 32 kW / 1,798 - 2,500 rpm Max. torque 170 N� ...

Kia Niro 2017 (DE HEV) Service Manual: Blower Motor Repair procedures
Inspection 1. Operate the heater controls at IGN2 to ensure that the motor is running. 1. Battery (+) 2. Input signal 3. ? 4. Ground 2. If the blower motor does ...