Condition for fault identification

Test condition:

The fault is recognized when the monitored pressure exceeds the specified pressure.

Potential problem source(s):

• Boost-pressure sensor is defective or has been tampered with
• Electropneumatic pressure converter in wastegate valve is defective
• Wastegate valve is defective (seized in closed position)
• Vacuum line defective

Terminal condition: none

Voltage condition:

• Onboard electrical system voltage between 9 V and 16 V

Temperature condition:

• None

Time condition:

• None

Other conditions:

• Engine speed above 1900 RPM
• Engine load
• Turbocharger boost in control range