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Fan Controller

  1. Disconnect the fan controller connector. See Fig 1 .
  2. Turn the ignition switch to the ON position. Check for battery voltage between terminals No. 1 and 3. See Fig 1 .
  3. Reconnect the fan controller connector and disconnect the condenser fan motor connector. See Fig 2 .
  4. Ensure that the A/C is OFF, and start the engine and run it at idle.
  5. Measure voltage between the fan controller (side connector) terminals. Voltage should be 1V or less.
    6. CAUTION: Stay clear of the fan when starts running.
  6. Turn the A/C switch to the ON position.
  7. Measure the voltage between the fan controller (side connector) terminals while the fan is running. The voltage should switch between 5.6-10.8V and battery voltage.
  8. If the voltage is not as specified, replace the fan controller.
Fig 1: Testing Fan Controller (1 Of 2)
G00352993Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
Fig 2: Testing Fan Controller (2 Of 2)
G00352994Courtesy of MITSUBISHI MOTOR SALES OF AMERICA.
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