Kia Picanto: Motor Driven Power Steering / MDPS ECU
Repair procedures
1. | Disconnect the battery negative cable. |
2. | Remove the crash pad lower panel. (Refer to Body - "Crash pad lower panel") |
3. | Disconnect the MDPS ECU connector.
![](images/mdps_ecu-539/333/sjast7006d.gif) |
4. | Loosen the bolts and then remove the MDPS ECU.
![](images/mdps_ecu-539/333/sjast7013d.gif) |
5. | Installation is the reverse of the removal. |
6. | Perform the "Steering Angle Sensor (SAS) Calibration" and "Set the steering feel torque to zero". |
7. | Turn off the IGN switch and wait for 10 seconds or more. Then check the operation after starting the engine. |
Steering Angle Sensor (SAS) Calibration and Set the steering feel torque to zero
•
| Check that the battery is fully charged before "Steering Angle Sensor (SAS) Calibration". |
•
| Be careful not to disconnect any cables connected to the vehicle or scan tool during "Steering Angle Sensor (SAS) Calibration". |
•
| After
completing the "Steering Angle Sensor (SAS) Calibration", switch off
the ignition and wait for several seconds. Then, start the engine to
confirm normal operation of the vehicle. |
|
1. | Connect
self-diagnosis connector (16pins) located under the driver side crash
pad to self-diagnosis device, and then turn the self-diagnosis device
after key is ON. |
2. | Select the "vehicle model" and "Motor Driven Power Steering" on KDS vehicle selection screen. |
3. | Select the "Steering Angle Sensor (SAS) Calibration" on KDS screen, then select OK. |
4. | Proceed with the test according to the screen instructions.
![](images/mdps_ecu-539/333/sjast9500l.gif)
![](images/mdps_ecu-539/333/sscst7501n.gif)
![](images/mdps_ecu-539/333/sscst7502n.gif)
![](images/mdps_ecu-539/333/sscst7503n.gif)
![](images/mdps_ecu-539/333/sscst7504n.gif) |
5. | Select the "Set the steering feel torque to zero" on KDS screen, then select OK. |
6. | Proceed with the test according to the screen instructions.
![](images/mdps_ecu-539/333/sjast9501l.gif)
![](images/mdps_ecu-539/333/sbdst9525l.gif)
![](images/mdps_ecu-539/333/sbdst9526l.gif)
![](images/mdps_ecu-539/333/sbdst9527l.gif) |
8. | Turn off the IG switch and wait for 10 seconds or more before starting the engine. And then make sure that MDPS works properly. |
Repair procedures
Replacement
1. Disconnect the battery negative cable.
2. Remove the crash pad lower panel. (Refer to Body - "Crash pad lower panel")
3. Disconnect the MDPS ECU connector. ...
Repair procedures
Removal
1. Remove the steering column and shaft assembly. (Refer to Motor Driven Power Steering - "Steering Column and Shaft")
2. Remove the MDPS control unit. (Refer to Moto ...
Other information:
Repair procedures
Inspection
Check
if the auto light control operates like a timing chart shown below.
Tail lamp output and head lamp (Low) output is controlled based on the
auto light sensor's input (illumination intensity) when the Auto Light
Switch in Multi-Function Switch is turned ...
Repair procedures
Inspection
Automatic Transaxle Fluid (ATF) Level Check
1. Place the vehicle on a level ground.
2. Start the engine to warm up the ATF.
3. Check by using KDS/GDS that the temperature of the ATF is between 70°C and 80°C (158 - 176°F).
4. Move the shift lever slowly f ...