COOLING FAN MOTOR COMPONENT INSPECTION [MZR-CD (RF Turbo)]

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1.  Perform the cooling fan control system inspection. (See ENGINE CONTROL SYSTEM OPERATION INSPECTION [MZR-CD (RF Turbo)].)

•  If the cooling fan control does not operate properly, inspect the following.

―  ECT sensor

―  A/C switch

―  A/C refrigerant pressure switch (High/low pressure)

―  A/C refrigerant pressure switch (Middle pressure)

―  VSS

―  A/C magnetic clutch

―  Fan control module power supply circuit

―  Fan control module ground circuit

―  Fan control signal circuit (between fan control module terminal B and PCM terminal 25)

•  If the all items are normal, replace the cooling fan component.