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
IAT Sensor Voltage Below 1.0 Volt
IAT Sensor Internal Failure
(K21) IAT Signal Shorted To Ground
(K21) IAT Signal Shorted To (K4) Sensor Ground Circuit