LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Acura >> 2009 >> TL Base >> Repair and Diagnosis >> Engine Mechanical >> Auxiliary Emission Control Systems >> Fuel And Emissions Systems >> System Description >> Electronic Control Systems >> Fail-safe Function
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Fail-safe Function

When an abnormality occurs in the signal from a sensor or from another control unit, the ECM/PCM ignores that signal and substitutes a pre-programmed value for them that allows the engine to continue running. This causes a Confirmed DTC to be stored and the MIL to come on.

scientia non olet · About LEMON Manuals