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Home >> Audi >> 1994 >> 90 CS Quattro >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Tests W/Codes >> Self-Diagnostic System >> Engine Basic Setting (ECM "B") >> Display Group 11, Field 2, Ignition Timing Point With Knock Control & IAC Control
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Display Group 11, Field 2, Ignition Timing Point With Knock Control & IAC Control

IAC is active only when CTP switch is closed. Knock control begins when engine load is greater than 40 percent. See DISPLAY GROUPS 13 and/or 14.