Hyundai Santa Fe (TM): Motor Driven Power Steering / Description and operation
MDPS (Motor Dirven 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,
MDPS system inspection is possible for each component, but replacement is possible
only for partial units, and other parts should not be disassembled.
Schematic Diagrams
Harness Connector
Type
Pin No
Description
MDPS Power
1
Battery -
2
Battery +
MDPS Unit
1
-
2
-
3
IG 1
4
C-CAN [High]
5
C-CAN [Low]
6
-
Other information:
Troubleshooting
Problem Symptoms Table
Before replacing or repairing air conditioning components, first determine if
the malfunction is due to the refrigerant charge, air flow or compressor.
Use the table below to help you find the cause of the problem.
Inspection
1.
Turn the ignition switch OFF.
2.
Disconnect the evaporator temperature sensor connector.
3.
Measure resistance between terminal "+" and "-" of the evaporator temperature
sensor.