Test point 1

Sensor voltage, spring travel 1 (front) 

• Engine off
• Vehicle on level surface

  PST2 display 2 V< U_s <3 V

U_s = sensor voltage

The system is faulty if voltage values such as 0.4 V in the lower range or 4.5 V in the upper range are displayed. See the description for Fault code 3  .