Kia Soul: General Inspection
Kia Soul 2014-2019 PS Service Manual / Steering System / Electric Power Steering / General Inspection
After or before servicing the EPS system, perform the troubleshooting
and test procedure as follows. Compare the system condition with normal condition
in the table below and if abnormal symptom is detected, perform necessary remedy
and inspection.
Test condition |
Normal condition: Motor must not supply steering
assist. |
|
Symptom |
Possible cause |
Remedy |
IG Off |
Motor supplies steering assist. |
ASP is not calibrated. |
Perform the ASP calibration using a scan tool. |
IG power supplies |
Inspect the IG power supply line. |
Test condition |
Normal condition: Motor must not supply steering
assist, Warning lamp is illuminated. |
|
Symptom |
Possible cause |
Remedy |
IG On/Engine Off |
Motor supplies steering assist. |
ASP is not calibrated. |
Perform the ASP calibration using a scan tool. |
EMS CAN signal is not received. |
Inspect the CAN line. |
|
Warning lamp is not illuminated. |
Cluster fault |
Inspect the cluster and cluster harness |
Test condition |
Normal condition: Motor supplies steering assist,
Warning lamp is not illuminated. |
|
Symptom |
Possible cause |
Remedy |
IG On/Engine On |
Warning lamp is illuminated and Motor dose not
supply steering assist. |
EPS (Hot at all times) and IG power supply fault |
Inspect the connector and harness for EPS (Hot
at all times) and IG power supply line. |
DTC is detected by system. |
Perform the self test using a scan tool and repair
or replace. |
|
Warning lamp is illuminated and Motor supplies
steering assist. |
ASP is not calibrated. |
Perform the ASP calibration using a scan tool. |
CAN communication between EPS and cluster is fault. |
Inspect the CAN line. |
ASP: Absolute Steering Position
CAN: Controller Area Network
EMS: Engine Management System
The following symptoms may occur during normal vehicle operation
and if there is no EPS warning light illumination, it is not malfunction
of EPS system.
|
Caution when ASP (Absolute Steering Position) calibration or EPS type recognition
• |
Check if the battery is fully charged before ASP calibration or
EPS type recognition.
|
• |
Be careful not to disconnect any cables connected to the vehicle
or scan tool during ASP calibration or EPS type recognition.
|
• |
When the ASP calibration or EPS type recognition is completed,
turn the ignition switch off and wait for several seconds, then start
the engine to confirm normal operation of the vehicle.
|
ASP Calibration
1. |
Select "Steering Angle Sensor".
|
2. |
Proceed with the test according to the screen introductions.
|
EPS Type Recognition Procedure
1. |
Select "EPS Variant Coding".
|
2. |
Proceed with the test according to the screen introductions.
|
Description
EPS (Electric power steering, Column assist type) system uses an electric motor to assist the steering force and it is an engine operation independent steering system. EPS control module ...Steering Column and Shaft. Components
1. Steering column assembly 2. Steering joint assembly ...See also:
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