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.
Component Inspection
2009 Hyundai Tucson Limited, 2.0 BSECTION Component Inspection
- Ignition "OFF".
- Measure resistance between terminals 3 and 4 of the sensor connector (Component side).
Specification
TEMPERATURE AND RESISTANCE SPECIFICATIONTemp.(°C) Temp.(°F) Resistance (kΩ) -10 14 8.5 ~ 9.7 0 32 5.4 ~ 6.1 10 50 3.5 ~ 3.9 20 68 2.3 ~ 2.5 30 86 1.6 ~ 1.7 80 176 Approx. 0.3 - Is resistance within the specification?
YES
- Check for poor connection between ECM and component: backed out terminal, improper mating, broken locks or poor terminal to wire connection. Repair as necessary and go to "VERIFICATION OF VEHICLE REPAIR " procedure.
NO
- Check IATS for contamination, deterioration, or damage. Substitute with a known-good IATS and check for proper operation. If the problem is corrected, replace IATS and then go to "VERIFICATION OF VEHICLE REPAIR " procedure.
RENDER: 1.0x
NO RELATED
Recommended Tools & Savings
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
Affiliate disclosure: We may earn a commission at no extra cost to you.
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.