Rear Three-Point Seat Belts with Tensioners, Checking Belt Fastening Detection
- Close Vehicle Diagnostic, Testing and Information System VAS 5051 A and tap "15 - Airbag" in vehicle system selection. The ignition must be switched on.
- Read out display group 004 measured value block.
Belt webbing is fully extended, VAS 5051 indicates -No-.
Belt tongue is engaged in buckle and belt webbing is extended by dimension -L-, VAS 5051 indicates -Yes-.
- Dimension -L- is 350 mm in for left and right seatbelts.
- Dimension -L- is 350 mm in for center seatbelts.
Then pull belt out completely as far as stop. VAS 5051 must continue to display -Yes- while belt is being extended.
Extend belt to dimension -L-, without unlocking belt buckle. VAS 5051 must continue to indicate -Yes-.
Release the locking tongue and slowly roll belt webbing up. The display must change from -yes- to -no- at a remaining length of 100 mm at the latest.
Belt webbing is fully extended, VAS 5051 indicates -No-.