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.
2018 Kia Niro LXFACTORY OEM SERVICE PROCEDURE
Repair Procedures: Inspection
- Connect the KDS/GDS on the Data Link Connector (DLC).
- Switch "ON" the ignition.
- Measure the output voltage of the APS 1 and 2 at C.T and W.O.T.
ACCELERATOR POSITION SENSOR (APS) SPECIFICATION
| Accelerator Position | Output Voltage (V) [V-ref = 5V] | |
|---|---|---|
| APS1 | APS2 | |
| C.T | 0.7 - 0.8 | 0.33 - 0.43 |
| W.O.T | 3.98 - 4.22 | 1.98 - 2.13 |
Factory Service Tools
Use the Manual With the Right Hardware
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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.
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