A8L Quattro Sedan W12-6.0L (BSB) (2005)
Seat Belt Tensioner: Testing and Inspection
Belt-fastened Sensor For Rear Three-point Seat Belts With Belt Tensioner, Checking
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Connect Vehicle Diagnostic, Testing and Information System VAS 5051 A and select vehicle system "15 - Airbag" from list. Ignition must be
switched on.
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Read measured value block, display group 004.
Belt fully retracted: Display on Vehicle Diagnostic, Testing and Information System VAS 5051 A "no"
Latch plate engaged in buckle and belt additionally extended by dimension - L - : Display on Vehicle Diagnostic, Testing and Information System
VAS 5051 A "yes"
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Extension dimension - L - is 350 mm for both left and right belt.
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Extension dimension - L - is 350 mm for center belt.
Then pull out belt as far as it will go. When doing so, display on Vehicle Diagnostic, Testing and Information System VAS 5051 A must remain
"yes" .
Then retract belt as far as dimension - L - without releasing latch plate, display on Vehicle Diagnostic, Testing and Information System VAS 5051
A must remain "yes" .
Release latch plate and slowly retract belt. At latest on reaching residual length of 100 mm, display must switch from "yes" to "no".
Belt fully retracted: Display on Vehicle Diagnostic, Testing and Information System VAS 5051 A "no"