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(FM8) SEMCON JLR OWNER GUIDE VER 1.00 EURO
LANGUAGE: english-en; MARQUE: jaguar; MODEL: XJ
Tyre pressure monitoring system
81
TEMPORARY USE SPARE WHEEL
AND TYRE CHANGE
If the temporary use spare wheel is fitted the
system will automatically recognise the change
in wheel positions. Then after approximately
ten minutes of driving above 25 km/h (18
mph), a message detailing which tyre is
affected (e.g. FRONT LEFT) and TYRE NOT
MONITORED will be displayed accompanied by
illumination of the warning telltale and the
corresponding block in the vehicle graphic.
The warning telltale will initially flash and will
subsequently revert to continuous illumination.
Extended use of the temporary use spare wheel
will produce an additional text message TYRE
PRESSURE MONITORING SYSTEM FAULT.
This TPM system display sequence will be
activated at every ignition cycle until the
temporary use spare wheel is replaced by a
fully operational full size wheel and tyre
assembly.
Always replace the temporary use wheel before
having TPM system faults investigated. The
fault may well be rectified with the fitment of a
fully operational full size running tyre in lieu of
the temporary use spare wheel assembly.
TYRE PRESSURE MONITORING
UNAVAILABLE
If all four running wheels and tyres are changed
for a set that are not fitted with TPM system
sensors (e.g. a set of winter wheels and tyres),
the message TYRE PRESSURE MONITORING
UNAVAILABLE is displayed. TPM system
sensors must be fitted to the wheels and tyres
for the system to be able to warn of low tyre
pressures.
When sensors are fitted to the replacement
wheel and tyre set, the vehicle needs to be
driven until the TPM system recognizes the
sensors before TPM will be available (TYRE
PRESSURE MONITORING AVAILABLE is
displayed).
TYRE CHANGING
Always have your tyres serviced or changed by
a qualified technician.
Care must be taken to avoid contact between
the bead of the tyre and the sensor during
removal and refitting of the tyre, otherwise the
sensor may become damaged and or
inoperable.
Valve stem seal, washer, nut, valve core
and cap should be replaced at every tyre
change. Valve stem seal, washer and
nut must be replaced if valve retention
nut is loosened. Sensor units and nuts
must be refitted using correct torque
figures and associated profile. Damage
to the vehicle may result if these
precautions are not taken.
Sensors can be removed from the wheel by the
unscrewing of the valve retention nut.
REPLACEMENT TPMS SENSOR
Should the sensor require replacing, it should
be carried out by a Dealer/Authorised Repairer.
A replacement sensor must be fitted to a
running wheel in order to be recognised by the
system. The vehicle needs to be stationary for
15 minutes during the sensor fitment before
the system is ready to detect the new sensor.
The vehicle must be driven for a minimum of
fifteen minutes after the sensor change, and
then remain stationary for fifteen minutes to
activate full TPM system operation.