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 MANUALSMAZDA20086 S SPORT, 4D HATCHBACK, STANDARDREPAIR AND DIAGNOSISEXTERNAL PAGESDIFFERENT CARSECTION 600 (SYMPTOM TROUBLESHOOTING [ENGINE CONTROL SYSTEM L3 WITH TC))ENGINE CONTROL SYSTEM OPERATION INSPECTIONCOOLING FAN CONTROL SYSTEM INSPECTIONNOTES
2008 Mazda 6 s Sport, 4D Hatchback, Standard
Cooling Fan Control System Inspection: Notes
2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Notes
WARNING: This page is about a different car, the 2007 Mazda 6. However, it is still accessible from the selected car via links, so may be relevant.
- Connect the M-MDS to the DLC-2.
- Start the engine and warm it up to normal operating temperature.
- Perform the KOER self-test.
(See KOEO/KOER SELF TEST ).
- Verify that the DTC P0480 is not shown and the cooling fan operates during the KOER self-test.
- If DTC P0480 is shown, perform the DTC troubleshooting procedure. (See DTC P0480 ).
- If the cooling fans do not operate, proceed to the following:
- Verify the clicking sound of the cooling fan relay when the ignition switch is turned from the off to the ON position.
- If there is no the clicking sound, inspect the cooling fan relay for an open circuit between the ignition switch and the cooling fan relay.
- If there is a clicking sound, go to the next step.
- Inspect the following parts in the indicated order in accordance with fan operation conditions.
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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.