System Diagram

2004 Toyota Matrix XR, FWD, StandardSECTION System Diagram
WARNING: This page is about a different car, the 2004 Toyota Camry Solara. However, it is still accessible from the selected car via links, so may be relevant.

The electric cooling fan system controls the fan motors using the 2 Engine Coolant Temperature (ECT) switches, and turns the 3 fan relays on and off according to the ECT and the air conditioner's operating condition.

Fig 1: Cooling Fan System Diagram
G02853915Courtesy of Β© TOYOTA, LICENSE AGREEMENT TMS1002
RENDER: 1.0x

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.