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Home >> Volvo >> 1990 >> 740 Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes - Turbo >> Retrieving Codes (Ignition) Control Function No. 1 >> Notes

Retrieving Codes (Ignition) Control Function No. 1: Notes

CAUTION: Never connect or disconnect ECU connector with ignition in ON position.

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