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.

Code Enable Criteria

Engine has been off for longer than 7 hours and 30 minutes.
Start-up IAT is greater than 50°F (10°C).
Vehicle has traveled at greater than 10 MPH.
IAT has increased by at least 5.4°F (3°C).
No IAT or ECT DTCs are set.

DTC sets when the difference between start-up ECT and IAT is greater than 27°F (15°C).