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 MANUALSHYUNDAI2022KONA ELECTRIC LIMITEDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLABS/ESC DIAGNOSIS (2 OF 2)DTC C2405-27: MOTOR ENCODER FAULTWIRING INSPECTIONBASIC INSPECTION
2022 Hyundai Kona Electric Limited
Basic Inspection
2022 Hyundai Kona Electric LimitedSECTION Basic Inspection
WARNING:
Hybrid battery system uses high voltage.
It may cause death or damage due to electrical shock, if you do not follow below Instructions.
It may cause death or damage due to electrical shock, if you do not follow below Instructions.
- Follows instructions of Workshop Service Informationl.
- Wear and use insulated gloves and tools.
- Ignition "OFF", disconnect ground cable of auxiliary battery and "OFF" the safety connector of the high voltage battery.
- Check high voltage terminal on power relay assembly is lower than 30V.
- Be careful that it should not be short between terminals when measuring battery cell voltage.
You may be injured due to spark, parts damage or electrical shock.
- Metallic material cause high voltage short that may cause damage of life or vehicle. Therefore, get rid of all the metallic material before working. (metallic material: watch, ring, any metallic products etc.)
- After disconnect high voltage cable, be careful not to happen short between exposed terminals on high voltage connector.
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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.