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.
Possible Causes
ECT Sensor Voltage Below 1.0 Volt
ECT Sensor Internal Failure
(K2) ECT Sensor Signal Shorted To Ground
(K2) ECT Sensor Signal Shorted To (K4) Sensor Ground Circuit