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Home >> Infiniti >> 2011 >> M56 x >> Repair and Diagnosis >> External Pages >> Different car >> Section 300 (Engine Control System - Component Testing (For MEXICO)) >> Electrically-Controlled Cooling Fan Coupling >> Component Function Check
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Component Function Check

WARNING: This page is about a different car, the 2012 Infiniti QX56. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK COOLING FAN FUNCTION

    WITH CONSULT

    1. Start the engine.
    2. Perform "FAN DUTY CONTROL" in "ACTIVE TEST" mode with CONSULT.
    3. Check that cooling fan speed varies according to the percentage.
      NOTE: Speed changes gradually as the percentage changes.

    WITHOUT CONSULT

    1. Start the engine and warm up the engine until engine coolant temperature reaches at least 98°C (209°F).
    2. Check that cooling fan speed increase.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Proceed to "DIAGNOSIS PROCEDURE ".