Hyundai Sonata: Repair procedures
General 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. |
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.
|
• |
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.
|
1. |
Select "Steering Angle Sensor".
|
2. |
Proceed with the test according to the screen introductions.
|
1. |
Select "EPS Variant Coding".
|
2. |
Proceed with the test according to the screen introductions.
|
Description and Operation
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 ...
Steering Column and Shaft. Repair procedures
Replacement
1.
Disconnect the battery negative cable from the battery and then
wait for at least 30 seconds.
2.
Turn the steering wheel so ...
See also:
Occupant classification system
Type A
Type B
Your vehicle is equipped with an occupant classification system in the front
passenger's seat.
The occupant classification system is designed to detect the presence of a ...
Automatic climate control system
1. Turn the ignition switch to the ON position.
2. Select the defrost position pressing defrost button ().
3. While holding the air conditioning button (A/C) pressed, press the air intake
contro ...
Output Speed Sensor. Description and Operation
Description
- Integrated one unit for input & output speed sensor
- Differential current type (low: 7mA, high: 14mA)
- Failsafe: 4th gear hold (D), 2nd ~ 4th manual shift (S)
...