P1474 Toyota Low Fan Control Primary Circuit Malfunction

P1474 Toyota Low Fan Control Primary Circuit Malfunction

Possible causes
  • FCV circuit open or shorted.
  • B+ or ground circuit fault to cooling fan.
  • VPWR open to cooling fan (if applicable).
  • Damaged cooling fan module.
  • PCM damaged.
    • Symptoms
    – Engine Light ON (or Service Engine Soon Warning Light)
    P1474 Toyota Description

    This test checks the Fan Control – Variable (FCV) output circuit. The DTC sets if the PCM detects the voltage on the FCV circuit is not within the expected range.

    Toyota Vehicle:Toyota Prius,Toyota Celica,Toyota Supra,Toyota Carina,Toyota Camry,Toyota MR2,Toyota Aygo,Toyota 4Runner,Toyota Avalon,Toyota Camry,Toyota Corolla,Toyota FJ Cruiser,Toyota Highlander,Toyota Land Cruiser,Toyota Matrix,Toyota Prius,Toyota RAV4,Toyota Sequoia,Toyota Sienna,Toyota Solara,Toyota Tacoma,Toyota Tundra,Toyota Yaris,
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