Condition for fault identification

Test condition:

The fault is recognized when neither upward nor downward motion of 6° is possible during initialization of the Valvetronic system.

Potential problem source(s):

• Defective wiring harness
• Valvetronic actuator defective
• Valvetronic system sticking
• Defective DME

Terminal condition: Terminal 15

Voltage condition:

• Onboard electrical system voltage between 9 V and 16 V

Temperature condition:

• Engine warmed to normal temp, above 80 °C

Time condition:

• None

Other conditions:

• When the Valvetronic system is initialized (Terminal 15/Wake-up)