Condition for fault identification

Test condition:

The fault is recognized when the ambient temperature deviates from boost-air temperature and engine temperature by more than 20 °C.

Potential problem source(s):

• Outside temperature sensor defective
• Tampering with wiring harness

  Terminal condition: none

  Voltage condition:

• Electrical system voltage > 10 V

  Temperature condition:

• Coolant temperature > -10 °C

  Time condition:

• Engine off for longer than 10 hours

  Other conditions:

• Engine on