Volkswagen Workshop Service and Repair Manuals > Passat (B3) > Vehicle electrics | Electrical system | Lights, lamps, switches inside, anti-theft system | Immobilizer

Functional check of immobilizer

–	Start engine and let run at least 10 seconds.

–	Read fault memory → Chapter.

–	If a fault is detected, fault must be rectified referring to fault table → Chapter.

If no fault is detected:

–	Alternately tighten securing bolts (shear bolts) -1- until bolt heads break off.

–	Enter retrofitting in service schedule with the following text:

“S085 (date/stamp)”

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