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INTRODUCTION TO XJ/XK
Service Training
2000 MY
Electrical Seat belt Pretensioners
While the electro/mechanical airbag system remained unchanged from the 1997 – 1999 MY XK, the previously fitted mechanical/pyrotechnic front seat belt pretensioners are replaced with electrical/mechanical pretensioners. The
pretensioners are fire by electrical signals from an impact sensing/control module mounted on the transmission tunnel and the system operates completely independently of the airbag system.
Pre-tensioner Assembly
The pre-tensioner assembly is a compact, self contained unit mounted to a body bracket by a single bolt
and anti-rotational fixing. The assembly is not serviceable and must be replaced if the pyrotechnic is
discharged. While the pre-tensioner assembly is intrinsically safer than the mechanically triggered type, the
normal safeguards and procedures applicable to the
storage, handling and disposal of pyrotechnic devices
must be followed.
ELECTRICALLY FIRED PRE-TENSIONER
NOTES
INTR.101
Date of Issue: 10/01/2002
Student Guide
1.9.11