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.

Technical Description (Comment)

The fail-safe function is probably cancelling auto-cruise control. In this case, scan tool MB991502 can be used to check the trouble symptoms in each system by checking the diagnostic trouble codes. The scan tool can also be used to check if the circuits of each input switch are normal or not by checking the input switch codes.