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 MANUALSHYUNDAI2017SANTA FE SE, FWDREPAIR AND DIAGNOSISBRAKESTRACTION CONTROLANTILOCK BRAKE SYSTEM (ABS)/ELECTRONIC STABILITY CONTROL (ESC) DIAGNOSISDTC C1207: WHEEL SPEED SENSOR REAR-LH RANGE/PERFORMANCE/INTERMITTENTCOMPONENT INSPECTIONWHEEL SPEED SENSOR CIRCUIT CHECK
2017 Hyundai Santa Fe SE, FWD
Wheel Speed Sensor Circuit Check
2017 Hyundai Santa Fe SE, FWDSECTION Wheel Speed Sensor Circuit Check
- Lift the vehicle.
- IG "ON".
- Turn the wheel by hand.
- Measure waveform between signal terminal of the wheel speed sensor harness connector and chassis ground with oscilloscope.
Specification: High: 1.18~1.68V, Low: 0.59~0.84V
- Is the measured waveform within specifications?
YES
- Fault is intermittent caused by faulty HECU, wheel speed sensor or external noise, an interference between harnesses. Thoroughly check connectors for looseness, poor connection, bending, corrosion, contamination, deterioration, or damage. Repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- If there is no problem in signal 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.
NO
- Check for improper installation of wheel speed sensor. If NG, repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Check for damage of rotor teeth or wheel bearing. If NG, repair as necessary and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
- Substitute with a known-good Wheel speed sensor and check for proper operation. If problem is corrected, replace Wheel speed sensor 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.