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.
|
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