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Home >> Volvo >> 1993 >> 940 Turbo, 4D Sedan, AW71L >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Unit - Fuel Injection >> Power Circuit Checks
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Power Circuit Checks

  1. Connect voltmeter leads between ECU connector terminal No. 35 and ground.
  2. Turn ignition switch to ON position. Voltmeter should read 12 volts. Also, crank engine and ensure battery voltage exists while engine is being cranked.
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