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 MANUALSHYUNDAI2011SANTA FE GLS, 3.5 G, AWDREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (3 OF 3) - G3.5 DOHCDTC U1112: LIN COMMUNICATION ERRORINSPECTION/REPAIRCOMPONENT INSPECTION
2011 Hyundai Santa Fe GLS, 3.5 G, AWD
Component Inspection
2011 Hyundai Santa Fe GLS, 3.5 G, AWDSECTION Component Inspection
- LIN communication line waveform check
- IG "OFF"
- Connect probe to battery sensor to check signal waveform by using oscilloscope function.
- IG "ON" and monitor signal waveform.
Specification : Signal waveform will be displayed as Signal Waveform & Data
- Is the measured signal waveform O.K?
YES
- Go to VERIFICATION OF VEHICLE REPAIR .
NO
- Substitute with a known - good battery sensor and check for proper operation. If the problem is corrected, replace battery sensor and go to VERIFICATION OF VEHICLE REPAIR .
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.