Belt-fastened sensor for rear 3-point belts with belt tensioner, checking

• Switch ignition on.
• Connect vehicle diagnostic, testing and information system VAS 5051 A or vehicle diagnostic and service information system VAS 5052 and select vehicle system "15 - Airbag" on.
• Read measured value block, display group 004.

Fig 1: Diagnostic System VAS 5051: Display - Display Fields

Courtesy of VOLKSWAGEN UNITED STATES, INC.

Belt fully retracted, display on vehicle diagnostic, testing and information system VAS 5051 A or vehicle diagnostic and service information system VAS 5052 : - no -

Latch plate engaged in belt buckle and belt pulled out by dimension - L -, display on vehicle diagnostic, testing and information system VAS 5051 A or vehicle diagnostic and service information system VAS 5052 : - yes -

• Pull out belt as far as possible. For this purpose, display on vehicle diagnostic, testing and information system VAS 5051 A or vehicle diagnostic and service information system VAS 5052 must remain - yes -.
• Retract belt as far as dimension - L - without releasing latch plate, display on vehicle diagnostic, testing and information system VAS 5051 A or vehicle diagnostic and service information system VAS 5052 must remain - yes -.
• Release latch plate and slowly retract belt; at the latest when the belt has retracted as far as the last 100 mm, display must switch from -yes- to -no-.

Belt fully retracted, display on vehicle diagnostic, testing and information system VAS 5051 A or vehicle diagnostic and service information system VAS 5052 : - no -

• Dimension - L - is 300 mm for left and right belt.