LAND ROVER FREELANDER 2001 Repair Manual

GENERAL INFORMATION
03-20
Disciplines
Switch off the ignition prior to making any connection
or disconnection in the system, to prevent electrical
surges caused by disconnecting 'live' connections
damaging electronic components.
Ensure hands and work surfaces are clean and free
of grease, swarf, etc. Grease collects dirt which can
cause electrical tracking (short-circuits) or high-
resistance contacts.
When handling printed circuit boards, treat with care
and hold by the edges only; note that some electronic
components are susceptible to body static.
Connectors should never be subjected to forced
removal or refit, especially inter-board connectors.
Damaged contacts can cause short-circuit and
open-circuit fault conditions.
Prior to commencing test, and periodically during a
test, touch a good vehicle body earth to discharge
static charge. Some electronic components are
vulnerable to the static electricity that may be
generated by the operator.
Grease for electrical connectors
Some under bonnet and under body connectors may
be protected against corrosion by the application of a
special grease during vehicle production. Should
connectors be disturbed in service, or repaired or
replaced, additional grease should be re-applied:
Part No. BAU 5811, available in 150 gm tubs.
NOTE: The use of greases other than BAU 5811
must be avoided as they can migrate into relays,
switches etc. contaminating the contacts and leading
to intermittent operation or failure.
Supplementary restraint system
precautions
General
The Supplementary Restraint System (SRS)
provides active protection for vehicle occupants in
the event of a serious collision. The system
components include airbags and pre-tensioner seat
belts which are automatically deployed when a
severe frontal crash condition is detected.
The SRS pyrotechnic components could be
potentially hazardous to the service engineer if not
handled correctly. The following guidelines are
intended to alert the service engineer to potential
sources of danger and emphasise the importance of
ensuring the integrity of SRS components fitted to
the vehicle.
In order to assure system integrity, it is essential that
the SRS system is regularly checked and maintained
so that it is ready for operation in the event of an
accident.
Where necessary, additional specific precautions are
detailed in the relevant sections of this Manual which
should be referred to prior to commencing repair
operations.
WARNING: Always follow the 'SRS Precautions'
and the correct procedures for working on SRS
components. Persons working on SRS systems
must be fully trained and have been issued with
copies of the Safety guidelines.
WARNING: It is imperative that before any work
is undertaken on the SRS system the appropriate
information is read thoroughly.
WARNING: The airbag module contains sodium
azide which is poisonous and extremely
flammable. Contact with water, acid or heavy
metals may produce harmful or explosive
compounds. Do not dismantle, incinerate or
bring into contact with electricity, before the unit
has been deployed.
WARNING: Always replace a seat belt assembly
that has withstood the strain of a severe vehicle
impact, or if the webbing shows signs of fraying.
WARNING: Always disconnect the vehicle
battery before carrying out any electric welding
on a vehicle fitted with an SRS system.
CAUTION: Do not expose an airbag module or
seat belt pre-tensioner to heat exceeding 85º C
(185º F).

GENERAL INFORMATION
03-21
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:
lSteering system – steering wheel airbag,
rotary coupler.
lFront fascia – passenger front airbag (where
fitted); SRS DCU behind centre console, on
transmission tunnel under the HeVAC system.
lFront seats – seat belt pre-tensioners, integral
with seat belt buckle assembly.
lElectrical system – SRS harnesses, link leads
and connectors.
Making the SRS system safe
Before working on or in the vicinity of SRS
components, ensure the system is rendered safe by
performing the following procedures:
lRemove the ignition key from the ignition switch.
lDisconnect both battery leads, earth lead first.
lWait 10 minutes for the SRS DCU back-up
power circuit to discharge.
The SRS system uses energy reserve capacitors
that keep the system active in the event of electrical
supply failure under crash conditions. It is necessary
to allow the capacitor sufficient time to discharge (10
minutes) in order to avoid the risk of accidental
deployment.
WARNING: Always disconnect both battery leads
before beginning work on the SRS system.
Disconnect the negative battery lead first. Never
reverse connect the battery.Installation
In order to assure 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 SRS system
components is critical for safety reasons. Ensure
the following precautions are always adhered to:
lNever install used SRS components from
another vehicle or attempt to repair an SRS
component.
lWhen repairing an SRS system only use
genuine new parts.
lNever apply electrical power to an SRS
component unless instructed to do so as
part of an approved test procedure.
lSpecial Torx bolts are necessary for
installing the airbag module — do not use
other bolts. Ensure bolts are tightened to the
correct torque.
lAlways use new fixings when replacing an
SRS component.
lEnsure the SRS Diagnostic Control Unit
(DCU) is always installed correctly. There
must not be any gap between the DCU and
the bracket to which it is mounted. An
incorrectly mounted DCU could cause the
system to malfunction.
CAUTION: Ensure SRS components are not
contaminated with oil, grease, detergent or
water.
Ensure that SRS component fixings are correctly
positioned and torqued during service and repair.
CAUTION: Torque wrenches should be regularly
checked for accuracy to ensure that all fixings
are tightened to the correct torque.
If you suspect an airbag assembly could be
defective, install a new unit and dispose of the old
unit. Manually deploy the old unit before disposal.

GENERAL INFORMATION
03-22
SRS component testing
The SRS components are triggered using relatively
low operating currents, always adhere to the
following precautions:
WARNING: Do not use a multimeter or other
general purpose test equipment on SRS system
components or accidental deployment may
occur. Use only Testbook to diagnose system
faults.
WARNING: Do not use electrical test equipment
on the SRS harness while it is connected to any
of the SRS system components. It may cause
accidental deployment and personal injury.
Never apply electrical power to an SRS component
unless instructed to do so as part of an approved test
procedure.
The SRS Diagnostic Control Unit is a non-
serviceable component and no attempt should be
made to repair or modify the unit.Component handling
The SRS components are sensitive and potentially
hazardous if not handled correctly; always comply
with the following handling precautions:
WARNING: The SRS components are sensitive
and potentially hazardous if not handled
correctly; always comply with the following
handling precautions:
lNever 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-tensioner units could deploy if
subjected to a strong shock.
lNever wrap your arms around an airbag
module. If an airbag module has to be
carried, hold it by the cover, with the cover
uppermost and the base away from your
body.
lNever transport airbag modules or seat belt
pre-tensioners in the cabin of a vehicle.
Always use the luggage compartment of the
vehicle for carrying airbag modules and seat
belt pre-tensioner units.
WARNING: 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.
WARNING: Always keep components cool, dry
and free from contamination.

GENERAL INFORMATION
03-23
WARNING: For front seat buckle type pre-
tensioners, hold by the piston tube, with the open
end of the piston tube pointing towards the
ground and the buckle facing away from your
body. Do not cover the end of the piston tube.
DO NOT hold buckle pre-tensioners by the
bracket assembly or steel cable. NEVER point
the piston tube towards your body or other
people.
CAUTION: Do not apply grease or cleaning
solvents to seatbelt pre-tensioner units,
component failure could result.Storage
There are regulations for the safe storage of SRS
components which must be observed, consult your
local authority for details.
WARNING: Airbag modules and seat belt pre-
tensioners are classed as explosive devices. For
overnight and longer term storage, they must be
stored in a secure steel cabinet which has been
approved as suitable for the purpose and has
been registered by the local authority.
WARNING: Store the airbag module with the
deployment side uppermost. If it is stored
deployment side down, accidental deployment
will propel the airbag module with enough force
to cause serious injury.
CAUTION: Improper handling or storage can
internally damage the airbag module, making it
inoperative. If you suspect the airbag module has
been damaged, install a new module and refer to
the Deployment/Disposal Procedures for
disposal of the damaged module.
Always observe the following precautions when
temporarily storing an airbag module:
lEnsure the cover is facing upwards and the
luggage compartment is secured.
lAlways keep components cool, dry and free
from contamination.
lDo not allow anything to rest on the airbag
module.
lStore any removed airbag assembly on a
secure flat surface away from electrical
equipment and heat sources (exceeding 85° C
(185° F).

GENERAL INFORMATION
03-24
SRS Harnesses and Connectors

CAUTION: Always observe the following
precautions with regards to SRS system
electrical wiring:
lNever attempt to modify, splice or repair
SRS wiring.
lNever install electronic equipment (such as
a mobile telephone, two-way radio or in-car
entertainment system) in such a way that it
could generate electrical interference in the
airbag harness. Seek specialist advice when
installing such equipment.
NOTE: SRS system wiring can be identified by a
special yellow outer sleeve protecting the wires
(black with yellow stripe protective coverings are
sometimes used).
WARNING: Always ensure SRS wiring is routed
correctly. Be careful to avoid trapping or
pinching the SRS wiring. Do not leave the
connectors hanging loose or allow SRS
components to hang from their harnesses. Look
for possible points of chafing.CAUTION: Ensure all SRS harness connectors
are mated correctly and securely fastened. Do
not leave the connectors hanging loose.
Rotary Coupler

CAUTION: Always follow the procedure for fitting
and checking the rotary coupler as instructed in
the SRS repairs section. Comply with all safety
and installation procedures to ensure the system
functions correctly. Observe the following
precautions:
lDo not install a rotary coupler if it is
suspected to be defective.
lDo not attempt to service, modify or repair a
rotary coupler.
lDo not cut, splice or modify the wires
attached to the rotary coupler.
lAlways ensure the rotary coupler
connectors are mated correctly and securely
fastened.
lAlways ensure the battery is disconnected
before working on the rotary coupler.
lDo not unlock and rotate the rotary coupler
when it is removed from the vehicle.
lDo not turn the road wheels when the rotary
coupler is removed from the vehicle.
lAlways ensure the rotary coupler is removed
and installed in its centred position and with
the front road wheels in the straight ahead
position - refer to the SRS repair section for
the correct removal and installation
procedure.
lIf a new rotary coupler is being installed,
ensure the locking tab holding the coupler's
rotational position is not broken; units with a
broken locking tab should not be used.

GENERAL INFORMATION
03-25
Warning Labels
Warning symbols are displayed at various positions
in the vehicle (either in a suitable prominent position
such as driver and passenger side glass, or attached
to the component itself) to indicate SRS items which
must be treated with particular care. These include:
A - The need for caution when working in close
proximity to SRS components.
B - Refer to the publication where the procedures,
instructions and advice can be found (usually
Workshop Manual or Owner's Handbook) for
working on the SRS system.
C - Do not use rear facing child seats in the front
passenger seat if the vehicle is fitted with a
passenger airbag.Driver and Passenger Side Windows
WARNING: It is imperative that before any work
is undertaken on the SRS system the appropriate
information is read thoroughly.
Caution labels are attached to SRS system
components and may also be applied to vehicle trim
close to SRS components and harnesses. The driver
and front passenger airbag modules have an 'SRS
AIRBAG' symbol moulded into the module's plastic
trim to identify the presence of airbags. Other SRS
warning labels include:
End of Fascia
Label located on end of fascia; warning not to use
rear facing child seats in the front passenger seat in
vehicles fitted with a front passenger airbag.

GENERAL INFORMATION
03-26
Rotary coupler
A - Refer to the Workshop Manual for detailed
instructions.B - Ensure wheels are in the straight
ahead position before removal and refitting.C -
LAND ROVER Part Number/Bar code - The code
must be recorded and quoted for ordering purposes.
Front seat belt pre-tensioners
A warning label is fixed to the piston tube of the front
seat belt pre-tensioners:
lExercise caution.
lRefer to the publication where the procedures,
instructions and advice can be found (usually
Workshop Manual or Owner's Handbook) for
working on SRS system components.
lDo not attempt to repair or disassemble.Bar codes
Driver's airbag module
Bar codes are fitted to SRS system components and
components which are critically related to SRS
operation. The code number(s) must be recorded if
the component is to be replaced. Components
featuring bar codes include the following:
lDriver's front airbag module – label attached to
rear of module housing.
lPassenger front airbag module – label attached
to rear of module housing.
lRotary coupler – label attached on face of rotary
coupler.
lDCU – included on label on top of DCU.
lSRS wiring – label attached around harness
wires.
VEHICLE RECOVERY
Observe the following procedures for vehicle towing
after a collision has taken place:
Towing – SRS components not deployed
Normal towing procedures are unlikely to cause an
SRS module to deploy. However, as a precaution,
switch the ignition off and then disconnect both
battery leads. Disconnect the negative '-' lead first.
Towing – SRS components deployed
Once the driver's airbag has been deployed, the
vehicle must have a front suspended tow. However,
as a precaution, switch the ignition off and then
disconnect both battery leads. Disconnect the
negative '-' lead first.

GENERAL INFORMATION
03-27
SRS component manual deployment
If a vehicle is to be scrapped and contains an
undeployed airbag module, the module must be
manually deployed. Always observe the following
precautions:
WARNING: Only personnel who have undergone
the appropriate training should undertake
deployment of airbag and seat belt pre-tensioner
modules.
WARNING: A deployed airbag or seatbelt pre-
tensioner is very hot, DO NOT return to a
deployed airbag module until at least 30 minutes
have elapsed since deployment.
WARNING: Only use approved deployment
equipment, and only deploy SRS components in
a well ventilated designated area. Ensure SRS
components are not damaged or ruptured before
deployment. Notify the relevant authorities.
WARNING: If a vehicle is to be scrapped,
undeployed airbag modules and pre-tensioner
units must be deployed in accordance with the
instructions in this manual.
WARNING: Contact with chemicals from
deployed and damaged SRS components could
present a health hazard, wear protective clothing
when handling. DO NOT eat, drink or smoke
when handling SRS components.
WARNING: Deployment of airbag modules and
seatbelt pre-tensioners can cause injury to
personnel in the close vicinity of the deploying
unit. In case of injury seek urgent medical advice.
Possible sources of injury include:
limpact - due to inflating airbag or pre-
tensioner operation causing component
'kick'.
l hearing - due to noise produced by
deploying airbags and seatbelt pre-
tensioner units.
l burns - hot component parts and gases.
l irritation to eyes and lungs - from deploying
gases or combustion residue.
WARNING: Ensure the SRS component to be
deployed is securely fastened to its mounting.WARNING: Deployment procedures detailed in
this manual should be strictly adhered to.
Compliance with the following precautions
MUST be ensured:
lOnly use deployment equipment approved
for the intended purpose.
lBefore commencing deployment procedure,
ensure the deployment tool functions
properly by performing the self test
procedure detailed in the SRS Repairs
section of this manual.
lDeployment of airbag/pre-tensioner
modules should be performed in a well
ventilated area which has been designated
for the purpose.
lEnsure airbag/pre-tensioner modules are
not damaged or ruptured before attempting
to deploy.
lNotify the relevant authorities of intention to
deploy airbag and pre-tensioner units.
lWhen deploying airbag and seatbelt pre-
tensioner units, ensure that all personnel are
at least 15 metres away from the deployment
zone.
lEnsure deployment tool is connected
correctly, in compliance with the
instructions detailed in this manual. In
particular, ensure deployment tool is NOT
connected to battery supply before
connecting to the airbag or seatbelt pre-
tensioner module connector.
lWhen deploying seatbelt pre-tensioners in
the vehicle, ensure the pre-tensioner unit is
fully secured to its fixing point.
lWhen removing deployed airbag and
seatbelt pre-tensioner modules, wear
protective clothing. Use gloves and seal
deployed units in a plastic bag.
lFollowing deployment of any component of
the SRS system within the vehicle, all SRS
components must be replaced. DO NOT re-
use or salvage any parts of the SRS system.
lDo not lean over airbag modules or seatbelt
pre-tensioner units when connecting
deployment equipment.
WARNING: During deployment parts of the
airbag module become hot enough to burn you.
Wait 30 minutes after deployment before
touching the airbag module.

GENERAL INFORMATION
03-28
SRS component replacement policy
The following information details the policy for
replacement of SRS components; either as a result
of a vehicle accident or as a result of vehicle age.
Impacts which do not deploy the airbags or seat
belt pre-tensioners
Check for structural damage in the area of the
impact, paying particular attention to bumper
armatures, longitudinals, crash cans and bracketry.
Impacts which deploy the airbags and/or seat
belt pre-tensioners
The inspection and replacement 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.
Front airbag/ seat belt pre-tensioner deployment
(driver and passenger)
If the front airbags and/or seat belt pre-tensioners are
deployed as a result of a front, front angled or side
impact, the following parts must be replaced:
lDriver airbag module
lPassenger airbag module (where fitted)
lSRS flyleads
lSRS DCU
lRotary coupler
lFront seat belt pre-tensioners
In addition, the following should be inspected for
damage and replaced as necessary:
lFront seat belt and buckle tongue (anchorage
points, webbing etc.)
lFascia moulding adjacent to passenger airbag
module (where fitted)
lSteering wheel (if damage is evident)
lFront seat frames and head restraints (if there is
evidence of damage to the seat frame or
cushion pan)
lSteering column (if adjustment is lost or there
are signs of collapse)
lFront seat belt height adjusters on 'BC' posts (5
door models only)
lRear seat belts and seat belt buckles (webbing,
buckle covers, body anchorage and tongue
latching function)Rear Impact
If the seat belt pre-tensioners are deployed during a
rear impact, the following components must be
replaced:
lSeat belt pre-tensioners
lFront and rear automatic seat belt assemblies
used during an impact.
lSRS DCU
In addition, the following components should be
inspected for damage and replaced as necessary:
lFront seat frames
lFront seat belts and buckle (retractors,
webbing, tongue latching, buckle covers, body
anchorages and 'D' loops)
lSeat belt height adjusters (5 door models only)
lRear seat belts and seat belt buckles (webbing,
buckle covers, body anchorage and tongue
latching function)
Periodic replacement of SRS components
The performance of the propellants within airbags
and seat belt pre-tensioners will deteriorate over a
period of time. As a result, it is essential that the
airbags and seat belt pre-tensioners are periodically
replaced to maintain occupant safety. Airbags, seat
belt pre-tensioners and the rotary coupler should be
replaced at the recommended intervals.

GENERAL INFORMATION
03-29
Air conditioning system precautions
General
The air conditioning system contains fluids and
components which could be potentially hazardous to
the service engineer or the environment if not
serviced and handled correctly. The following
guidelines are intended to alert the service engineer
to potential sources of danger and emphasise the
importance of ensuring the integrity of the Air
Conditioning operating conditions and components
fitted to the vehicle.
Where necessary, additional specific precautions are
detailed in the relevant sections of this Manual which
should be referred to prior to commencing repair
operations.
The refrigerant used in the air conditioning system is
HFC-134a (Hydrofluorocarbon) R134a. Always
adhere to the following precautions:
WARNING: Servicing must only be carried out by
personnel familiar with both the vehicle system
and the charging and testing equipment. All
operations must be carried out in a well
ventilated area away from open flame and heat
sources.
WARNING: Do not allow a refrigerant container to
be heated by direct flame or to be placed near
any heating appliance. A refrigerant container
must not be heated above 50
°C.
Do not leave a container of refrigerant without its
cap fitted. Do not transport a container of
refrigerant that is unrestrained, especially in the
boot of a car.
WARNING: Do not smoke or weld in areas where
R134a is in use. Inhalation of concentrations of
vapour can cause dizziness, disorientation,
incoordination, narcosis, nausea or vomiting.
R134a is odourless and colourless. Do not
handle or discharge in an enclosed area, or any
area where the vapour and liquid can come in
contact with a naked flame or hot metal. R134a is
not flammable but can cause a highly toxic gas.
WARNING: Do not allow fluids other than R134a
or compressor lubricant to enter the air
conditioning system. Spontaneous combustion
may occur.WARNING: R134a is a hazardous liquid and when
handled incorrectly can cause serious injury.
Suitable protective clothing, consisting of face
protection, heat proof gloves, rubber boots and
rubber apron or waterproof overalls, must be
worn when carrying out operations on the air
conditioning system.
WARNING: Due to its low evaporating
temperature, R134a must be handled with care.
R134a splashed on any part of the body will
cause immediate freezing of that area. Also,
refrigerant cylinders and replenishment trolleys
when discharging will freeze skin to them if
contact is made.
WARNING: Under no circumstances should
refrigerant hoses be disconnected without first
discharging the system.
Do not disconnect any pipes in an air
conditioning refrigeration system unless trained
and instructed to do so. A refrigerant is used
which can cause blindness if allowed to contact
eyes.
WARNING: Refrigerant must always be recycled
before re-use to ensure that the purity of the
refrigerant is high enough for safe use in the air
conditioning system.
Recycling should always be carried out with
equipment which is design certified by
Underwriter Laboratory Inc. for compliance with
SAE J1991. Other equipment may not recycle
refrigerant to the required level of purity.
A R134a Refrigerant Recovery Recycling
Recharging Station must not be used with any
other type of refrigerant.
Refrigerant R134a from domestic and
commercial sources must not be used in motor
vehicle air conditioning systems.