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 MANUALSKIA2017RIO EX, 4D HATCHBACKREPAIR AND DIAGNOSISENGINE PERFORMANCETESTING & DIAGNOSISENGINE CONTROL SYSTEM DIAGNOSIS (2 OF 3)DTC P0221: THROTTLE/PEDAL POSITION SENSOR/SWITCH 'B' CIRCUIT RANGE/PERFORMANCEW/HARNESS INSPECTIONTPS CIRCUIT INSPECTION
2017 Kia Rio EX, 4D Hatchback
TPS Circuit Inspection
2017 Kia Rio EX, 4D HatchbackSECTION TPS Circuit Inspection
■ Check Open or Short in TPS Circuit
- IG KEY "OFF".
- Disconnect ETC Motor & TPS connector.
- IG KEY "ON" & ENG "OFF".
- Measure the voltage between signal, ground, power terminal of TPS harness connector and chassis ground.
Specification:
Signal Terminal: Approx. 0V
Ground Terminal: Approx. 0V
Power Terminal: Approx. 5V
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.