DTC Parameters

WARNING: This page is about a different car, the 2002 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

Engine is running for more than 0.6 second.
Engine speed is more than 300 RPM.
150 or more engine revolutions have passed.
Main relay voltage is more than 10.5 volts.
No TP sensor DTCs have been set.

DTC sets when MAF sensor voltage is less than 0.20 volt or if MAF sensor signal voltage is less than the calculated value for the given engine speed and load for more than 2 seconds.