Conditions for Running the DTC

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.

The engine is running for greater than one second.
The ignition 1 signal is greater than 8 volts.
The above conditions are met for greater than 0.5 second.
The DTC runs continuously when the above conditions are met.