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:
Inspection
•
Before measuring the pressure of the refriferant line, check
whether the refrigerant amount is charged in accordance with
the specified charging amount.
Description
The ambient temperature sensor is located at the front of the condenser and
detects ambient air temperature. It is a negative type thermistor; resistance
will increase with lower temperature, and decrease with higher temperature.