Condition for fault identification

Test condition:

The fault is recognized when the charge-air temperature is below an average figure from several temperatures during cold starts.

Potential problem source(s):

• Defect in wiring harness between DME and charge-air temperature sensor
• Charge-air temperature sensor defective
• Charge-air temperature sensor has been tampered with
• Defective DME

Terminal condition: none

Voltage condition:

• Onboard electrical system voltage between 9 V and 16 V

Temperature condition:

• None

Time condition:

• 21 sec. after engine start

Other conditions:

• Cold engine start