Condition for fault identification

Test condition:

The fault is recognized when the intake-air temperature on the engine-side of the air filter is more than 39°C below the intake-air temperature before the throttle valve.

Potential problem source(s):

• Defective wiring harness between DME and intake-air temperature sensor
• Intake-air temperature sensor defective
• Defective DME

Terminal condition: none

Voltage condition:

• Onboard electrical system voltage between 9 V and 16 V

Temperature condition:

• None

Time condition:

• None

Other conditions:

• Engine on
• Vehicle speed exceeds 40 km/h for at least 2 minutes