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.
Chart C-12, 2.0L, Cooling Fan: Notes
Circuit No. 2 supplies battery voltage to operate cooling fan. Battery voltage is supplied through ignition switch circuit No. 650 to energize cooling fan relay. ECM grounds circuit No. 335, energizing cooling fan relay and turning on cooling fan. With engine running, ECM will energize cooling fan relay if coolant temperature sensor Code 14 has been set or under following conditions:
- A/C on and vehicle speed less than 70 MPH with A/C off.
- Coolant temperature is more than 223°F (106°C).
NO RELATED
Use the Manual With the Right Hardware
Pair factory procedures with proven DIY tools so the instructions are easier to execute.
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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.