Condition for fault identification

Test condition:

The fault is recognized when the outside temperature remains more than 20°C below the model value for longer than 14 sec.

Potential problem source(s):

• Defective wiring harness
• Outside temperature sensor defective

Terminal condition: none

Voltage condition:

• Onboard electrical system voltage between 9 V and 16 V

Temperature condition:

• Engine warmed to normal temp, above 80 °C

Time condition:

• None

Other conditions:

• Engine on
• Vehicle speed in excess of 45 km/h
• Mass-airflow rate less than 200 kg/h
• Intake-air temperature is less than 60°C, above -10°C