Condition for fault identification

Temperature precondition:

• Engine at operating temperature greater than 40° C

Time precondition:

• None

Other preconditions:

• Engine running.
• Drive at constant speed between 50 - 80 km/h at an average engine speed (1400 to 3240 RPM).
• No fault entries that could give rise to mixture faults

Control unit voltage: 9 V to 16 V.

Terminal 15 on