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.

Enable Criteria

The following conditions are for running a passive test (engine in open loop).

Engine coolant temperature is less than 230°F (110°C).
Intake air temperature is more than 50°F (10°C).
Battery voltage is more than 9 volts.

The following conditions are for running an active test (engine in closed loop).

Engine coolant temperature is more than 167°F (75°C).
Intake air temperature is more than 50°F (10°C).
Battery voltage is more than 9 volts.
Engine is operating is in closed loop fuel control.