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 MANUALSKIA2015OPTIMA SX TURBOREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT VARIANT/TRIMSECTION 107 (ENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 3) - 2.4L (EXCEPT HEV))DTC P0533: A/C REFRIGERANT PRESSURE SENSOR 'A' CIRCUIT HIGH INPUTWIRING INSPECTIONGROUND CIRCUIT INSPECTION
2015 Kia Optima SX Turbo
Ground Circuit Inspection
2015 Kia Optima SX TurboSECTION Ground Circuit Inspection
WARNING: This page is about a different variant/trim than selected.
- Check for Open in Ground Circuit
- IG KEY OFF.
- Disconnect A/C pressure S. harness connector and PCM harness connector.
- Measure resistance between both ends of ground line.
Specification : Below 1Ω
- Is resistance within specification?
YES
- Go to next procedure.
NO
- Repair as necessary and 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.