October 30: LEMON manuals on a temporary server, it is slow and having issues, download the manuals you need! Later in November we will switch back to the fast server.

Conditions For Running DTC

The engine is running.
The Idle Air Control (IAC) position is more than 2 counts.
The ignition 1 signal is more than 8 volts.
The above conditions are met for more than 0.5 second.