Condition for fault identification

Test condition:

The fault is recognized when the boost pressure is lower than the ambient barometric pressure while the engine is not running.

Potential problem source(s):

• Defect in boost-pressure system
• Defect in wiring harness between boost-pressure sensor and DME
• Boost-pressure sensor defective
• DME defective

Terminal condition: Terminal 15

Voltage condition:

• Onboard electrical system voltage between 9 V and 16 V

Temperature condition:

• None

Time condition:

• None

Other conditions:

• Engine OFF