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Calibration Resistor / Connector: Description and Operation
COMPONENT Octane Adjust
(OCT ADJ) shorting bar
FUNCTION OCT ADJ shorting bar is used to retard spark three degrees when bar is removed from in-line connector.
REMARKS OCT ADJ self test is to check state of OCT ADJ shorting bar
If the
octane adjust shorting bar or circuit has an open, Diagnostic Trouble Code No. P1390 is output.