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Home >> Volvo >> 1994 >> 850 Base, 4D Sedan, Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Unit - Ignition (940) >> Preliminary Checks

Preliminary Checks

  1. Turn ignition off. Disconnect ignition ECU connector. ECU is located behind panel on right side of accelerator pedal.
  2. Push out clip and disconnect ECU connector. Remove cover from ECU connector, exposing terminal identification numbers. Visually inspect all terminal connector sleeves to ensure all terminals are at same height.
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