Diagnostic help

Fault diagnosis concerns an electrical fault in connecting leads or in the sensor.

Functions in the diagnostic tool related to the fault:

Diagnostic status for the diagnosis.
Oxygen Sensor Value, unit V.

See also description of read values in MENU "READ VALUES" for more information.

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.