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Home >> Volvo >> 1989 >> 760 GLE, AW71 >> Repair and Diagnosis >> Engine Performance >> System >> Tests W/Codes - Non-Turbo >> Entering Self-Diagnostics (Ignition System) Control Functions >> Retrieving Codes (Ignition System) Control Function No. 1
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Retrieving Codes (Ignition System) Control Function No. 1

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