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.

Diagnostic Help

Fault diagnosis concerns an internal fault in the sensor. Functions in the diagnostic tool related to the fault are: Diagnostic status for the diagnosis.

NOTE: Oxygen sensor receives reference oxygen from the surrounding air via the connecting cables. For this reason, electrical contact spray or grease must not be used on the oxygen sensor connector.