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.
Displaying & Reading Trouble Codes
2003 Hyundai Tiburon V6-2.7LSECTION Displaying & Reading Trouble Codes
HI-SCAN (PRO) CHECK
1. Turn the ignition OFF.
2. Connect the Hi-Scan (Pro) to the Data Link Connector located underneath the lower crash pad panel.
3. Turn the ignition ON.
4. Use the Hi-Scan (Pro) to check for diagnostic trouble codes.
5. After completion of the repair or correction of the problem, erase the stored fault codes using the clear key on the Hi-Scan (Pro).


6. Disconnect the Hi-Scan (Pro).
CONNECTOR CHECK
1. Remove the negative battery (-) terminal.
2. Disconnect the connectors and check terminals following the troubleshooting procedure.
NOTE: When you check the terminals, be sure to use a small enough pin so as to not damage the connector terminals.
1. Turn the ignition OFF.
2. Connect the Hi-Scan (Pro) to the Data Link Connector located underneath the lower crash pad panel.
3. Turn the ignition ON.
4. Use the Hi-Scan (Pro) to check for diagnostic trouble codes.
5. After completion of the repair or correction of the problem, erase the stored fault codes using the clear key on the Hi-Scan (Pro).
6. Disconnect the Hi-Scan (Pro).
CONNECTOR CHECK
1. Remove the negative battery (-) terminal.
2. Disconnect the connectors and check terminals following the troubleshooting procedure.
NOTE: When you check the terminals, be sure to use a small enough pin so as to not damage the connector terminals.
RENDER: 1.0x
NO RELATED
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When to See a Mechanic
Stop DIY work and contact a certified mechanic immediately if any of the following apply:
- β’ You smell fuel, burning insulation, or see smoke.
- β’ Brakes feel soft, pull hard to one side, or make grinding noises.
- β’ The engine overheats, stalls repeatedly, or misfires under load.
- β’ You are missing required tools, torque specs, or safe lifting equipment.
- β’ You are not confident in the next step or safety outcome.