Hyundai Venue: Motor Driven Power Steering / MDPS Motor. Repair procedures
1. |
Turn the steering wheel so that the front wheels are placed in the straight
ahead position.
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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.
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2. |
Turn the ignition switch OFF and disconnect the battery negative (-)
cable.
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Disconnect the battery negative cable from the battery
and then wait for at least 30 seconds.
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3. |
Remove the steering column shroud upper panel.
(Refer to Body - "Steering Column Shroud Upper Panel")
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4. |
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad")
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5. |
Disconnect the MDPS ECU connectors (A).
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6. |
Disconnect the ignition switch connector (A).
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7. |
Remove the fixed clip (A) and then remove the wiring from the steering
column.
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8. |
Loosen the mounting nut (A) and bolt (B) and leave the steering column
and EPS unit assembly lie on the vehicle's floor.
Tightening torque
(A) : 25.0 - 29.4 N.m (2.5 - 3.0 kgf.m, 14.5 - 21.7 lb-ft)
(B) : 53.9 - 58.8 N.m (5.5 - 6.0 kgf.m, 39.8 - 43.4 lb-ft)
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9. |
Remove the motor (A) by loosening the bolts.
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10. |
Apply the grease at the new MDPS motor.
(1) |
Squeeze out grease as much as quantity of stamdard.
Type : Multemp MM-V
P/N : YSBB0-91105FFF
Quantity : 0.7-1.2g (About 50 mm (0.1979 in))
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(2) |
Apply the grease at the serration by stick or (-) driver.
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(3) |
Make sure the grease and then reassembly the motor.
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Must be applied the standard grease. If not,
may occur the noise.
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11. |
Install the MDPS motor.
Tightening torque :
14.7 - 21.6 N.m (1.5 - 2.2 kgf.m, 10.8 - 15.9 lb-ft)
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12. |
Install in the reverser order of removal.
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13. |
Conduct the "EPS Type Recognition" by Diagnostic tool.
(Refer to MDPS Motor - "Diagnosis with Diagnostic tool")
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14. |
Conduct the "SAS Calibration" by diagnostic tool.
(Refer to MDPS Motor - "Diagnosis with Diagnostic tool")
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15. |
Check the DTC.
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If continue a trouble, replace the MDPS control unit.
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16. |
Turn off the IGN switch and wait for 20 seconds or more. Then check
the operation after starting the engine.
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Diagnosis with Diagnostic
tool |
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When missing the EPS Type Recognition, occure a problem with
motor driven power steering performance.
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EPS Type Recognition procedures
1. |
Connect self-diagnosis connector(16pins) located in the lower of driver
side crash pad to self-diagnosis device.
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2. |
Turn the self-diagnosis device after key is ON.
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3. |
Turn the steering wheel to straight ahead position.
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4. |
After Selecting the "vehicle model" and "system", select the "EPS Type
Recognition" on diagnostic tool vehicle selection screen.
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6. |
Turn off the IG switch and wait for 20 seconds or more before starting
the engine. And then make sure that MDPS works properly.
SAS Calibration
– |
Steering-angle sensor detects the steering angle and steering
angle speed. Steering angle and steering angle speed are used
for steering wheel damping and return controls in addition to
providing assistance torque.
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You can use a scan tool to (diagnostic tool) check if
the battery voltage is proper before perform the "SAS
Calibration".
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Make sure that no connector engaged to the vehicle or
scan tool is disconnected during the "SAS Calibration".
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Once the "SAS Calibration" is complete, turn off the
IG switch and wait for 10 seconds or more before starting
the engine to check the operation.
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SAS Calibration procedures
1. |
Connect self - diagnosis connector (16pins) located in the lower of
driver side crash pad to self - diagnosis device.
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2. |
Turn the self - diagnosis device after key is ON.
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3. |
Turn the steering wheel to straight ahead position.
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4. |
After Selecting the "vehicle model" and "system", select the "SAS Calibration"
on diagnostic tool vehicle selection screen.
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6. |
Turn off the IG switch and wait for 10 seconds or more before starting
the engine. And then make sure that MDPS works properly.
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A/S Repair produres
MDPS System A/S Workflow
① Noise / malfunction Inspection
② Warning lamp (DTC) / CAN Line error
2 - 1 Checking Connectors and Wiring
1...
Replacement
1.
Disconnect the battery negative cable from the battery and then wait
for at least 30 seconds.
2...
Other information:
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Terminal Function
Pin No
Description
Current (AMPS)
Resistance (mΩ)
Remark
1
POS. BATTERY 2. (MOTOR)
40A
10
2
-
3
-
4
C-CAN Low
100 mA
250
5
C-CAN High
100 mA
250
6
-
7
P-CAN Low
100 mA
250
8
P-CAN High
100 mA
250
9
SENSOR REAR LEFT POWER
150 mA
250
10
SENSOR REAR RIGHT POWER
150 mA
250
11
SENSOR FRONT RIGHT POWER
150 mA
250
12
SENSOR FRONT LEFT POWER
150 mA
250
13
PUMP MOTOR GROUND
40A
10
14
-
15
CLUTCH SWITCH SIGNAL
1...
Categories
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1. Door lock/unlock button
2. Outside rearview mirror control switch
3. Central door lock switch
4. Power window switches
5. Power window lock switch
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