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.
Power Circuit Inspection
2017 Kia Rio EX, 4D HatchbackSECTION Power Circuit Inspection
■ Open or Short Check
- IG "ON".
- Measure voltage between power terminal of the wheel speed sensor harness connector and chassis ground.
Specification: Approx. B+
- Is the measured value within specifications?
YES
- Go to "SIGNAL CIRCUIT INSPECTION " procedure.
NO
- Repair open or short in power circuit between HECU harness connector and wheel speed sensor sensor-harness connector and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- If there is no problem in Power circuit, 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
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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.