LEMON Manuals: Even more car manuals for everyone
Home >> Volvo >> 1991 >> 740 Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostics - Ignition System >> Control Function No. 1 >> Notes

Control Function No. 1: Notes

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