Fan Control Module Inspection

2008 Mazda 6 s Sport, 4D Hatchback, StandardSECTION Fan Control Module Inspection
WARNING: This page is about a different car, the 2004 Mazda MPV. However, it is still accessible from the selected car via links, so may be relevant.
  1. Remove the two bolts from the fan control module with the connectors still connected.
  2. Start and warm up the engine.
  3. Monitor the engine coolant temperature with the WDSΒ  or equivalent.
  4. Measure the voltage at the terminal B of cooling fan control module connector (2 terminals) from the harness side as shown in the table.
    Fig 1: Identifying Cooling Fan Control Module Connector Terminals A & B
    G00991518Courtesy of MAZDA MOTORS CORP.
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.