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:
Component Location Index
Engine Room
1. Service port
(High pressure)
2. A/C pressure transducer (APT)
3. Service port (Low pressure)
4. Compressor
5. Suction & Liquid pipe assembly
6. Expansion valve
Interior
1.
Removal
1.
If a compressor is available, the air conditioner is operated for a
few minutes in the engine idle state and then the engine is stopped.
2.
Disconnect the negative (-) battery terminal.