Fan Control Module Inspection [AJ]

2010 Mazda 5 Sport, 2.3 L, StandardSECTION Fan Control Module Inspection [AJ]
WARNING: This page is about a different car, the 2003 Mazda 6. 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 WDS or equivalent.
  4. Measure the voltage at the terminal B of fan control module connector (2 terminals) as shown in Fig 1.
    • If not as specified, replace the fan control module.
    Fig 1: Identifying Fan Control Module Connector Terminals (AJ)
    G01929782Courtesy 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.