Safety Warning
DIY auto repair can cause serious injury, fire, or vehicle damage. These guides are for informational purposes only. Always follow OEM torque specs, wear PPE, and consult a certified mechanic if you are unsure. You are solely responsible for your safety.
Diagnostic Test
- PREPARATION BEFORE WORK SUPPORT
With CONSULT
- Turn the ignition switch ON.
- Turn the steering wheel to the straight-ahead position.
- Keep the vehicle at a standstill.
- Confirm the connection between EPS control unit and EPS torque sensor.
- Erase self-diagnostic result.
GO TO STEP 2 .
- PERFORM RE LEARNING
- On the CONSULT screen, select "EPS/DAST 3">>"Work support">>"Re learning".
- Touch "Start".
What is current status?
Calibration OK
WORK END
Power supply torque sensor too low
GO TO STEP 3 .
Active malfunction exist
GO TO STEP 4 .
Vehicle speed is not 0 km/h
Keep the vehicle at a standstill and then re-perform the procedure. GO TO STEP 1 .
Thermistor temperature too high
Wait for several minutes until the internal temperature becomes low. GO TO STEP 1 .
Motor revolution speed too high
During calibration, never move the steering wheel. GO TO STEP 1 .
Sampled value out of range
Before calibration, turn the steering wheel to the straight-ahead position. GO TO STEP 1 .
Difference of min and max value out of range
During calibration, never move the steering wheel. GO TO STEP 1 .
- CHECK THE ELECTRICAL LINE FOR EPS TORQUE SENSOR
Check the electrical line between EPS control unit and EPS torque sensor. If necessary, repair.
GO TO STEP 1 .
- PERFORM SELF-DIAGNOSIS
Perform self-diagnosis for "EPS /DAST 3".
Is any DTC detected?
YES
Check the DTC. Refer to DTC INDEX . After repairing, GO TO STEP 1 .
NO
GO TO STEP 1 .
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- • You smell fuel, burning insulation, or see smoke.
- • Brakes feel soft, pull hard to one side, or make grinding noises.
- • The engine overheats, stalls repeatedly, or misfires under load.
- • You are missing required tools, torque specs, or safe lifting equipment.
- • You are not confident in the next step or safety outcome.
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