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.
ETC Test
When the Engine RPM is instable or the engine suddenly stops in the idle status without DTC, inspect the ETC module operation by using GDS and perform the carbon cleaning if necessary.
- Connect a GDS to Data Link Connector (DLC).
- Turn the Ignition Switch ON.
- Select "Vehicle S/W Management"
- Select "ETC Test"
- Perform ETC Test following the instruction described in the image below.
- If the test result shows "NG", perform the ETC module cleaning.
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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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