2010 JAGUAR XFR Workshop Manual

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JAGUAR XFR 2010 1.G Workshop Manual Supplementary Restraint System (SRS) Precautions

WARNING: Do not install rear facing child seats in the front passenger seat.

The SRS contains components which are potentially hazardous to servi

Supplementary Restraint System (SRS) Precautions

WARNING: Do not install rear facing child seats in the front passenger seat.

The SRS contains components which are potentially hazardous to service personnel if not handled correctly. The following
guidelines and precautions are intended to alert personnel to potential sources of danger and emphasise the importance of
ensuring the integrity of the SRS components installed to the vehicle.

WARNING: The following precautions MUST be adhered to when working on the SRS system:
The correct procedures must always be used when working on SRS components.
Persons working on the SRS system must be fully trained and have been issued with the safety guidelines.
The airbag modules contain extremely flammable and hazardous compounds. Contact with water, acids or heavy
metals may produce harmful or explosive results. Do not dismantle, incinerate or bring into contact with electricity
before the unit has been deployed.
Always replace a seat belt assembly that has withstood the strain of a severe vehicle impact or if the webbing
shows signs of fraying.
Always disconnect the vehicle battery before carrying out any electric welding on a vehicle installed with an SRS
system.

CAUTION: Do not expose airbag modules or seat belt pre-tensioners to temperatures exceeding 85° C (185° F).

It should be noted that these precautions are not restricted to operations performed when servicing the SRS system. The same
care should be exercised when working on ancillary systems and components located in the vicinity of SRS components; these
include but are not limited to:

Steering wheel airbag, rotary coupler.
Passenger front airbag.
Head airbag modules - front and rear.
Seat belt pre-tensioners.
SRS harnesses, link leads and connectors.
Side (thorax) air bags.
Making the system safe

Before working on or in the vicinity of SRS components, make sure the system is rendered safe by performing the following
operations:

Remove the ignition key.
Disconnect battery, earth lead first.
Wait 2 minutes for the SRS power circuit to discharge before commencing work.

NOTE: The SRS uses energy reserve capacitors to keep the system active in the event of electrical supply failure under
crash conditions. It is necessary to allow the capacitors sufficient time to discharge (2 minutes) in order to avoid the risk of
accidental deployment.
Installation

In order to make sure system integrity, it is essential that the SRS system is regularly checked and maintained so that it is
ready for effective operation in the event of a collision. Carefully inspect SRS components before installation. Do not install a
part that shows signs of being dropped or improperly handled, such as dents, cracks or deformation.

WARNING: The integrity of the SRS systems is critical for safety reasons. Make sure the following precautions are always
adhered to:
Do not install accessories or other objects to trim panels which cover ITS airbags.
Never install used SRS components from another vehicle or attempt to repair an SRS component.
When repairing an SRS system, only use genuine new parts.
Never apply electrical power to an SRS component unless instructed to do so as part of an approved test
procedure.
Special fixings are necessary for installing an airbag module – do not use other fixings and make sure that all
fixings are tightened to the correct torque.
Always use new fixings when replacing an SRS component.

CAUTIONS:
Take care not to trap airbag modules when installing interior trim components.
Make sure SRS components are not contaminated by oil or grease.
NOTES:

Following seat belt pre-tensioner deployment, the seat belts can still be used as conventional seat belts but will need to

Page 74 of 3039

JAGUAR XFR 2010 1.G Workshop Manual be replaced as soon as possible to make sure full SRS protection.

If the SRS components are to be replaced, the part number/bar code of the new unit must be recorded.

SRS component testing pre

be replaced as soon as possible to make sure full SRS protection.

If the SRS components are to be replaced, the part number/bar code of the new unit must be recorded.

SRS component testing precautions

The SRS components are triggered using relatively low operating currents, always adhere to the following :

WARNING: Never use a multimeter or other general purpose equipment on SRS components. Use only approved JLR
diagnostic equipment to diagnose system faults.

WARNING: Do not use electrical test equipment on the SRS harness while it is connected to any of the SRS components,
it may cause accidental deployment and injury.
Handling and storage

Always observe the following precautions when handling SRS components:

Never drop an SRS component. The airbag diagnostic control unit is a particularly shock sensitive device and must be
handled with extreme care. Airbag modules and seat belt pre-tensioners could deploy if subjected to a strong shock.
Never wrap your arms around an airbag module. If a module has to be carried, hold it by the cover with the cover
uppermost and the base away from your body.
Never transport airbag modules or seat belt pre-tensioners in the passenger compartment of a vehicle. Always use the
luggage compartment of the vehicle for carrying airbag modules and seat belt pre-tensioner units.
Never attach anything to an airbag cover or any trim component covering an airbag module. Do not allow anything to
rest on top of an airbag module.
Always keep components cool, dry and free from contamination.
Never apply grease or cleaning solvents to seat belt pre-tensioner units, component failure could result.
Always store an airbag module with the deployment side uppermost. If it is stored deployment side down, accidental
deployment will propel the airbag module with sufficient force to cause serious injury.
Keep new airbag modules in their original packaging until just prior to installing. Place the old module in the empty
packaging for carriage.

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JAGUAR XFR 2010 1.G Workshop Manual

WARNINGS:

When handling an inflatable tubular structure (ITS) airbag module, hold by the gas generator housing, DO NOT hold by
the airbag. Do not wrap the thumb around the gas generator wh

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JAGUAR XFR 2010 1.G Workshop Manual

WARNING: Always make sure SRS wiring is routed correctly. Be careful to avoid trapping or pinching the SRS wiring.

WARNING: Do not leave the connectors hanging loose or allow SRS compon

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JAGUAR XFR 2010 1.G Workshop Manual Deployment procedures and precautions as detailed in this manual should be strictly adhered to. Only personnel who have
undergone the appropriate training should undertake deployment of airbag and pr

Deployment procedures and precautions as detailed in this manual should be strictly adhered to. Only personnel who have
undergone the appropriate training should undertake deployment of airbag and pre-tensioner modules. The following
precautions must be complied with:
Only use deployment equipment approved for the intended purpose.
Deployment of airbag / pre-tensioner modules must be performed in a well ventilated area which has been designated
for the purpose.
Make sure airbag / pre-tensioner modules are not damaged or ruptured before attempting to deploy.
Where local legislation exists, notify the relevant authorities of intention to deploy airbag and pretensioner units.
When deploying airbag pre-tensioner units, make sure that all personnel are at least 15 metres (45 feet) away from the
deployment zone.
Make sure deployment tool is connected correctly, in compliance with the instructions detailed in the SRS section of this
manual. In particular, make sure deployment tool is NOT connected to battery supply before connecting to airbag
module connector.
When deploying seat belt pre-tensioners, make sure pre-tensioner unit is secured correctly to the seat.
When removing deployed airbag modules and pre-tensioner units, wear protective clothing. Use gloves and seal
deployed units in a plastic bag.
Following deployment of any component of the SRS system within the vehicle, all SRS components must be replaced.
DO NOT reuse or salvage any parts of the SRS system.
Do not lean over an airbag module when connecting deployment equipment.

If a vehicle is to be scrapped, undeployed airbag modules and pre-tensioner units must be manually deployed. In this case
airbags can be deployed in the vehicle. Before deployment, make sure the airbag module is secure within its correct mounting
position. Deployment of the driver's airbag in the vehicle may damage the steering wheel; if the vehicle is not being scrapped,
deploy the module outside of the vehicle.

SRS Component Replacement Policy

CAUTIONS:

The Restraints Control Module (RCM) will log a crash fault after every impact which is severe enough to cause airbag
deployment. It is possible to have three crashes/impacts logged after one event where, for example, a front, side and
rollover has occurred. After the third fault is logged, the SRS warning lamp will be illuminated and the RCM must be
installed. After any airbag deployment a new RCM must be installed.

The SRS side impact sensor must be replaced if there are any signs of physical damage or if the restraints control module
(RCM) is registering a fault.
The following information details the policy for replacement of SRS components as a result of a vehicle accident.

Impacts which do not deploy the airbags or pre-tensioners

Check for structural damage in the area of the impact paying particular attention to bumper armatures, longitudinals and
bracketry.
Impacts which deploy the airbags or pre-tensioners

The replacement and inspection policy is dependent on the type and severity of the crash condition. The following guidelines
are the minimum that should be exercised as a result of the deployment of specific SRS components.

Check for structural damage in the area of impact paying particular attention to bumper armatures, longitudinals and
bracketry.

Front Airbag Deployment - Driver and Passenger

CAUTION: If the front airbags are deployed, the following components must be replaced:
Driver airbag module
Passenger airbag module
Fly leads (where applicable) connecting front airbag modules to SRS harness
Front seat belt buckle pre-tensioner
Rear seat belt pre-tensioners - if installed
Driver's seat belt retractor - if installed
Rotary coupler
Any front impact sensors that have been physically damaged or if a fault is being registered
Restraints control module (RCM) if the three crashes/impacts have been stored
Additionally, the following items must be inspected for damage and replaced as necessary:

Front passenger's seat belt retractor and webbing, tongue latching function, 'D' loop and body anchorage point
Rear seat belt buckles, webbing, buckle covers, body anchorage points and tongue latching function
Fascia moulding adjacent to passenger airbag module
Steering wheel
Front seat frames and head restraints
Steering column - if adjustment is lost or if there are signs of collapse
Seat belt height adjusters

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JAGUAR XFR 2010 1.G Workshop Manual Rear seat belts

Side Air Bags

CAUTION: If the side (thorax) air bags are deployed, the following components must be replaced on the side of the
vehicle on which the deployment occurred:
Side

Rear seat belts

Side Air Bags

CAUTION: If the side (thorax) air bags are deployed, the following components must be replaced on the side of the
vehicle on which the deployment occurred:
Side (thorax) airbag
Any side impact sensors that have been physically damaged or if a fault is being registered
Restraints Control Module (RCM) if the three crashes/impacts have been stored
Additionally, the following items must be inspected for damage and replaced as necessary:

Front seat belts, retractors and webbing, tongue latching function, 'D' loop and body anchorage points
Rear seat belt buckles, webbing, buckle covers, tongue latching function, and body anchorage points
Front seat frame and head restraints
Door trim casing
Seat belt height adjusters
Rear seat belts
Head airbag modules

CAUTION: If the head airbag modules are deployed, the following components must be replaced on the side of the
vehicle on which the deployment occurred:
Head airbag modules
Link lead between airbag gas generator and restraints control module (RCM) harness
Airbag retaining clips
Internal trim finisher
Front seat belt buckle pre-tensioners
Any side impact sensors that have been physically damaged or if a fault is being registered
Restraints Control Module (RCM) if the three crashes/impacts have been stored
Additionally, the following items must be inspected for damage and replaced as necessary:

Headlining
Component mounting brackets
Front seat belts, retractors and webbing, tongue latching function, 'D' loop and body anchorage points
Rear seat belt buckles, webbing, buckle covers, tongue latching function, and body anchorage points
Adjacent trim components
Seat belt height adjusters

Rear impacts

CAUTION: If the seat belt pre-tensioners are deployed during a rear impact, the following components must be replaced:
Seat belt pre-tensioners
Front and rear seat belt retractors used during the impact
Restraints Control Module (RCM) if the three crashes/impacts have been stored

Additionally, the following items must be inspected for damage and replaced as necessary:
Seat belt height adjusters
Front seat belts, retractors and webbing, tongue latching function, 'D' loop and body anchorage points
Rear seat belt buckles, webbing, buckle covers, tongue latching function, and body anchorage points

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JAGUAR XFR 2010 1.G Workshop Manual 1 - Minor component movement clockwise/counterclockwise 2 - Major component movement clockwise/counterclockwise 3 - Component movement to the left/right/up/down 4 - Component movement towards/away 5 -

Page 80 of 3039

JAGUAR XFR 2010 1.G Workshop Manual 1
Turn the component clockwise through 45° 2
Turn the component counterclockwise through 45° 3
Turn the component clockwise through 90° 4
Turn the component counterclockwise through 90° 5

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