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.
Component Inspection
2009 Hyundai Sonata SE, 3.3 FSECTION Component Inspection
- Line up wheels like figure 1.
- Perform the wheel alignment.
- Line up the steering wheel in a straight.
- Go ahead and Go back the vehicle 2-3 times without holding steering wheel.
- Connect scantool to Data Link Connector (DLC).
- Go in Anti-Rock brake system, (Fig 1).
- Perform steering angle sensor calibration, (figure 3).
- Disconnect scantool.
- Check the condition of SAS zero point adjustment by operating the vehicle (turn right and left at least 1 time)
- Is zero point adjustment completed?
YES
- Go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Substitute with a known-good HECU and check for proper operation. If problem is corrected, replace HECU and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.