Hyundai Genesis (DH): Motor Driven Power Steering / Description and Operation
MDPS (Electric power steering, Column assist type) 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 (Torque Sensor, Fail-safe relay, etc.) of
the MDPS system are located inside the steering column & MDPS unit
assembly and the steering column & MDPS unit assembly must not be
disassemble to inspect or replace them.
R-MDPS operation mechanism

Circuit Diagram
1.
Connector terminal
TypePin NoDescriptionBattery1Battery -2Battery +Vhicle1-2-3-4-5-6-7IGN8High_CAN9Low_CAN10-11-12-
2.
Circuit Diagram
Other information:
C
Description
The ambient temperature sensor is located inside the side
mirror and detects ambient air temperature. It is a negative type
thermistor; resistance will increase with lower temperature, and
decrease with higher temperature.
The sensor output will be used for discharge temperature
control, temperature regulation door control,