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Home >> Infiniti >> 2000 >> QX4 >> Repair and Diagnosis >> Engine Mechanical >> Electric Cooling Fans >> System Tests >> Notes
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System Tests: Notes

NOTE: Cooling fan can also be diagnosed using appropriate self-diagnostic trouble shooting codes. A Diagnostic Trouble Code (DTC) is set when a cooling fan problem arises. See appropriate SELF-DIAGNOSTICS article in ENGINE PERFORMANCE.
NOTE: The term ECM refers to ECCS control unit. ECM controls cooling fan operation based on inputs from coolant temperature sensor and A/C switch.
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