Condition for fault identification
Other voltage related preconditions:
- Supply voltage between 9 V and 16 V.
Temperature related-precondition:
- Coolant temperature greater than 80 °C
Time related-precondition:
- None
Other preconditions:
- Constant-speed driving between 50 km/h and 80 km/h during medium engine speed (1400 RPM to 3240 RPM).
- No fault code memory entries that could cause a fault in the fuel-air mixture.
Terminal status:
- Terminal 15 on.