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.
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HOMESERVICE MANUALSHYUNDAI2003XG350 BASEREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTI-LOCK BRAKE SYSTEMANTI-LOCK BRAKE SYSTEM TROUBLESHOOTINGHI-SCAN (PRO) CHECK
2003 Hyundai XG350 Base
Hi-Scan (Pro) Check
2003 Hyundai XG350 BaseSECTION Hi-Scan (Pro) Check
- Turn the ignition OFF.
- Connect the Hi-Scan (Pro) to the Data Link Connector located underneath the lower crash pad panel.
- Turn the ignition ON.
- Use the Hi-Scan (Pro) to check for diagnostic trouble codes.
- After completion of the repair or correction of the problem, erase the stored fault codes using the clear key on the Hi-Scan (Pro).
- Disconnect the Hi-Scan (Pro).
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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.