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 MANUALSTOYOTA2004MATRIX XR, FWD, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 313 (ELECTRIC COOLING SYSTEM FANS)DESCRIPTION & OPERATIONNOTES
2004 Toyota Matrix XR, FWD, Standard
Description & Operation: Notes
2004 Toyota Matrix XR, FWD, StandardSECTION Notes
WARNING: This page is about a different car, the 2003 Toyota Prius and 2002 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
Fans are controlled via Engine Coolant Temperature (ECT) switch/sensor. For cooling fan operating conditions, see COOLING FAN OPERATING CONDITIONS table.
COOLING FAN OPERATING CONDITIONS
| Condition | Fan Operation (Fan Speed) |
|---|---|
| Engine Coolant Temperature 190°F (88°C) Or Less | Rotate (Low Speed) |
| Engine Coolant Temperature 208°F (98°C) Or More | Rotate (High Speed) |
| Refrigerant Pressure Is Less Than 220 psi (15.5 kg/cm2 ) | Rotate (Low Speed) |
| Refrigerant Pressure Is 220 psi (15.5 kg/cm2 ) Or More | Rotate (High Speed) |
RENDER: 1.0x
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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.