LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Infiniti >> 2024 >> QX80 Premium Select, AWD >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System (2 Of 2) >> Component /Circuit Diagnosis >> Electrically-Controlled Cooling Fan Coupling >> Component Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

  1. CHECK COOLING FAN FUNCTION SYMBOL
    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°C (209°F).
    2. Check that cooling fan speed increase.

    Is the inspection result normal?

    YES>>

    INSPECTION END

    NO>>

    Refer to Diagnosis Procedure .