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Home >> Nissan-Datsun >> 2021 >> NV2500 HD S >> Repair and Diagnosis >> External Pages >> Different car >> Section 487 (Engine Control System (VK56VD) DTC/Circuit Diagnosis (6 Of 6)) >> DTC/Circuit Diagnosis >> Cooling Fan >> Component Function Check

Component Function Check

WARNING: This page is about a different car, the 2019 Nissan NV3500 HD and 2019 Nissan NV2500 HD. However, it is still accessible from the selected car via links, so may be relevant.
  1. CHECK COOLING FAN FUNCTION 

    SYMBOL 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.

    SYMBOL WITHOUT CONSULT

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

    Is the inspection result normal?

    YES

    INSPECTION END

    NO

    Proceed to Diagnosis Procedure .

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