KIA Niro: Electric Power Steering

Kia Niro - First generation - (DE) (2017-2022) - Service and Repair Manual / Steering System / Electric Power Steering

Description

MDPS (Motor Driven Power Steering) system uses an electric motor to assist the steering force and it is an engine operation independent steering system.

MDPS control module controls the motor operation according to information received from the each sensor and CAN (Controller Area Network), Resulting in a more precise and timely control of steering assist than conventional engine-driven hydraulic systems. Components (Steering Angle Sensor, Torque Sensor, Fail-safe relay, etc.) of the MDPS system are located inside the steering column. MDPS unit assembly, steering column, and MDPS unit assembly must not be disassembled for inspection. They must be replaced if necessary.

Components

MDPS Motor
Steering column
Steering universal joint
MDPS ECU

Schematic Diagrams

Harness Connector

Harness Connector

Electric Power Steering / Repair Procedures

A/S Repair produres MDPS System A/S Workflow Noise / malfunction Inspection Warning lamp (DTC) / CAN Line error 2 - 1 Checking Connectors and Wiring Checking Connectors and Wiring. Check for damage, push-back, or

Steering Column and Shaft Repair procedures

Replacement Warning When a DTC related to MDPS motor occurs, check the connectors and wiring. If no problem is found, replace the motor. Be sure to check the last two digits of the constant in the barcode of new MDPS motor before replaci

Steering Angle Sensor (SAS) Calibration | Part replacement (Power steering ECU)

Warning Check that the battery is fully charged before "Steering Angle Sensor (SAS) Calibration". Be careful not to disconnect any cables connected to the vehicle or scan tool during "Steering Angle Sensor (SAS) Calibr

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Rear View Monitor operation

Parking/View button Press the Parking/View button (1) to turn on Rear View Monitor. Press the button again to turn off the function. Rear view function Operating conditions Rear View Monitor will turn on when the following condition

Highway Driving Assist malfunction and limitations

Highway Driving Assist malfunction A: Check HDA (Motorway Driving Assist) system Kia Niro EV A: Check lane change assist function When Highway Driving Assist is not working properly, the warning message will appear, and the ( ) warning