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Home >> Volvo >> 1993 >> 850 Automatic >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System/Component Tests >> Computerized Engine Controls >> Electronic Control Unit - Fuel Injection >> Notes

Electronic Control Unit - Fuel Injection: Notes

NOTE: When measuring resistance and voltage at ECU, use Measuring Unit (981 3190 ) and Adapter (981 3195 ). DO NOT  measure resistance and voltage at ECU connector. Before disconnecting/connecting control unit connector, disconnect negative battery cable.
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