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.
2009 Toyota Matrix Base, AutomaticFACTORY OEM SERVICE PROCEDURE
Service Data
2ZR-FE COOLING - SERVICE DATA
| Thermostat | Valve opening temperature | 80 to 84°C (176 to 183°F) |
| Valve lift | 10 mm (0.394 in.) or more at 95°C (203°F) | |
| Cooling fan motor | 7.4 to 10.9A (at 12V) 20°C (68°F) | |
| Cooling fan ECU | 2.0 to 15.2A (at 12V) 20°C (68°F) | |
| Cooling fan relay | 3 - 5 | 10 kΩ or higher |
| 3 - 5 | Below 1 Ω (when battery voltage is applied to terminals 1 and 2) | |
| Radiator cap sub-assembly | Standard valve (for brand new cap) | 74.0 to 103.0 kPa (0.75 to 1.05 kgf/cm2 , 10.7 to 14.9 psi) |
| Minimum standard valve (for used cap) | 59.0 kPa (0.6 kgf/cm2 , 8.6 psi) |
Factory Service Tools
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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.