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Home >> Kia >> 2005 >> Optima EX, 2.4 6 >> Repair and Diagnosis >> Engine Performance >> Engine Control Systems >> Engine Control System/Fuel System - 2.4L (A/T) >> MFI Control System >> Description >> Other Control Functions
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Other Control Functions

  1. Fuel Pump Control: Turns the fuel pump relay ON so that current is supplied to the fuel pump while the engine is cranking or running.
  2. A/C Compressor Clutch Relay Control: Turns the compressor clutch of the A/C ON and OFF.
  3. Fan Relay Control: The radiator fan and condenser fan speeds are controlled in response to the engine coolant temperature and vehicle speed.
  4. Evaporative Emission Purge Control.
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