Hyundai Santa Fe: Motor Driven Power Steering / 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
|
-
|
Description
MDPS (Motor Dirven Power Steering) system uses an electric motor to assist the
steering force and it is an engine operation independent steering system...
A/S Repair produres [C-MDPS]
MDPS System A/S Workflow
① Noise / malfunction Inspection
② Warning lamp (DTC) / CAN Line error
2 - 1 Checking Connectors and Wiring
1...
Other information:
..
Trouble Symptom Charts
Trouble Symptom 1
Trouble Symptom 2
Trouble symptom
Probable cause
Remedy
The set vehicle speed varies greatly upward or downward
"Surging" (repeated alternating acceleration and deceleration) occurs after
setting
Malfunction of the vehicle speed sensor circuit
Repair the vehicle speed sensor system, or replace the part
Malfunction of ECM
Check input and output signals at ECM
Trouble Symptom 3
Trouble symptom
Probable cause
Remedy
The CC system is not canceled when the brake pedal is depressed
Damaged or disconnected wiring of the brake pedal switch
Repair the harness or replace the brake pedal switch
Malfunction of the ECM signals
Check input and output signals at ECM
Trouble Symptom 4
Trouble symptom
Probable cause
Remedy
The CC system is not canceled when the shift lever is moved to the "N" position
(It is canceled, however, when the brake pedal is depressed)
Damaged or disconnected wiring of inhibitor switch input circuit
Repair the harness or repair or replace the inhibitor switch
Improper adjustment of inhibitor switch
Malfunction of the ECM signals
Check input and output signals at ECM
Trouble Symptom 5
Trouble symptom
Probable cause
Remedy
Cannot decelerate (coast) by using the "SET/–" switch
Temporary damaged or disconnected wiring of "SET/–" switch input circuit
Repair the harness or replace the "SET/–" switch
Malfunction of the ECM signals
Check input and output signals at ECM
Trouble Symptom 6
Trouble symptom
Probable cause
Remedy
Cannot accelerate or resume speed by using the "RES/+" switch
Damaged or disconnected wiring, or short circuit, or "RES/+" switch input
circuit
Repair the harness or replace the "RES/+" switch
Malfunction of the ECM signals
Check input and output signals at ECM
Trouble Symptom 7
Trouble symptom
Probable cause
Remedy
CC system can be set while driving at a vehicle speed of less than 40km/h
(25mph), or there is no automatic cancellation at that speed
Malfunction of the vehicle-speed sensor circuit
Repair the vehicle speed sensor system, or replace the part
Malfunction of the ECM signals
Check input and output signals at ECM
Trouble Symptom 8
Trouble symptom
Probable cause
Remedy
The cruise main switch indicator lamp does not illuminate (But CC system
is normal)
Damaged or disconnected bulb of cruise main switch indicator lamp
Repair the harness or replace the part...
Categories
Electric Power Steering (EPS) warning light
This warning light illuminates:
When you set the ignition switch or the Engine Start/Stop button to
the ON position.
- The electric power steering warning light illuminates for about 3 seconds
and then goes off.
Whenever there is a malfunction with the electric power steering.
If this occurs, have the vehicle inspected by an authorized HYUNDAI dealer.
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