Hyundai Venue: Motor Driven Power Steering / MDPS Control Unit. Repair procedures
1. |
Disconnect the battery negative cable from the battery and then wait
for at least 30 seconds.
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2. |
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
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3. |
Disconnect MDPS ECU connectors (A) (B).

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4. |
Loosen the MDPS ECU bracket bolts and then remove the MDPS ECU (A).
Tightening torque :
14.7 - 21.6 N.m (1.5 - 2.2 kgf.m, 10.8 - 15.9 lb-ft)
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5. |
Install in the reverser order of removal.
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6. |
Conduct the "EPS Type Recognition" by Diagnostic tool.
(Refer to MDPS Motor - "Diagnosis with Diagnostic tool")
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7. |
Conduct the "SAS Calibration" by diagnostic tool.
(Refer to MDPS Motor - "Diagnosis with Diagnostic tool")
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9. |
Turn off the IGN switch and wait for 20 seconds or more. Then check
the operation after starting the engine.
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Replacement
1.
Turn the steering wheel so that the front wheels are placed in the straight
ahead position.
•
If the steering wheel and the front tires are not set
straight ahead together, it may affect the number of
circulation of steering wheel and damage the cable inside
the clock spring...
Removal
1.
Remove the MDPS assembly.
(Refer to Steering System - "MDPS Assembly")
2...
Other information:
Always set the parking brake before leaving the vehicle. To apply the parking
brake:
Firmly depress the brake pedal. Pull up the parking brake lever as far as possible.
WARNING
To reduce the risk of SERIOUS INJURY or DEATH, do not operate the parking
brake while the vehicle is moving except in an emergency situation...
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

1. Instrument cluster
2. Horn
3. Key ignition switch/ Engine Start/Stop button
4. Infotainment system
5. Hazard warning flasher switch
read more