Audi A8 2003 - Checking Child Seat Restraint Function for Additional Child Seats (Not for Drivers Seat Belt) - Country-Specific; Checking Child Seat Anchors after an Accident (Isofix, Top Tether); Checking Belt-Fastened Sensor for Rear Three-Point Seat Belts with Belt Tensioner; Checking Child Seat Restraint Function for Additional

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1.18 Checking child seat restraint function for
additional child seats (not for driver's
seat belt) - country-specific
The complete belt assembly (including the side trim) must be fitted
for checking this function.
Activation of restraint function
♦ Pull out the webbing as far as possible.
Correct function
♦ The belt should be heard to retract.
♦ If retraction is stopped, the belt can no longer be pulled out
again.
Deactivation
♦ Allow the belt to retract as far as the last approx. 100 mm.
♦ The restraint function must be deactivated at the latest when
the belt has been retracted as far as the last 100 mm. The belt
then re-assumes its normal function.
1.19 Checking child seat anchors after an ac‐
cident (Isofix, Top Tether)
Test items
♦ After an accident, the child seat anchors are to be checked for
damage and deformation.
♦ Child seat anchors welded or bolted to the body or seats/
backrests are not to be repaired or straightened.
♦ Child seat anchors bolted to the body or seats/backrests must
be replaced in the event of damage or deformation.
♦ The bolts for securing the child seat anchors are to be replaced
if the holder is damaged.
1.20 Checking belt-fastened sensor for rear
three-point seat belts with belt tensioner
– Connect up a vehicle diagnostic tester and select the vehicle
system „15 - Airbag“ from the list. The ignition must be switch‐
ed on when doing so.
– Read measured value block, display group 004.
Belt fully retracted: Display on vehicle diagnostic tester - no -
Latch plate engaged in buckle and belt additionally extended by
dimension - L -: Display on vehicle diagnostic tester - yes -
♦ Extension dimension - L - is 350 mm for both left and right belt.
♦ Extension dimension - L - is 350 mm for centre belt.
Then pull out the belt as far as it will go. When doing so, the dis‐
play on the vehicle diagnostic tester must remain on - yes -.
Then retract the belt as far as dimension - L - without releasing
the latch plate, the display on the vehicle diagnostic tester must
remain on - yes -.
Release the latch plate and slowly retract the webbing. At the lat‐
est on reaching a residual length of 100 mm, the display must
switch from - yes - to - no -.
Belt fully retracted: Display on vehicle diagnostic tester - no -
Audi A8 2003 ➤
General body repairs, interior - Edition 07.2011
1. Safety regulations and test methods for pyrotechnic, electrical and mechanical components of the restraint system 105