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.

Malfunction Threshold

A malfunction is detected if these three conditions are present after the engine and the ignition switch have been off for at least 6 hours before restarting the engine.

When the temperature difference between the IAT and ECT1 is 61 °F (34 °C) or more.
When the temperature difference between the IAT and ECT2 is 28 °F (16 °C) or more.
When the temperature difference between the ECT2 and ECT1 is 60 °F (33 °C) or more.