relay JAGUAR XFR 2010 1.G Repair Manual
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Page 1871 of 3039
Published: 21-Dec-2012
Battery and Charging System - General Information - Quiescent Drain
Description and Operation
VEHICLE QUIESCENT CURRENT TESTING
On vehicles fitted with a Battery Monitoring System (BMS), the diagnostic routine for quiescent drain testing in the approved
Jaguar or Land Rover diagnostic system should be utilized.
If a customer complains of a vehicle battery that discharges continuously or when left for a prolonged period of time, it is
recommended that a quiescent drain test is performed as described below.
The battery drain should be measured using the approved Jaguar or Land Rover diagnostic system or a Digital Multi-Meter
(DVOM). A procedure for quiescent drain measurement using the diagnostic system is available in the Diagnosis and Testing
section of the Workshop Manual. The vehicle should be in the locked/armed state (for example vehicle alarm fully armed), all
doors, engine and luggage compartment lids are open and latched (so as to appear closed from an electrical point of view).
The test should take place after the vehicle has entered shutdown mode. The time taken for this to occur after the ignition is
switched off varies according to model (Refer to the Topix On line resource for details).
When the vehicle is armed, the effect of the security system Light Emitting Diode (LED) flashing is to cause a pulsation in the
measured current drain. In this case, either the average current should be taken (using a Digital Multi- Meter (DVOM) with an
averaging system) or the current reading taken, ignoring the brief high current peaks.
EQUIPMENT
Approved Jaguar or Land Rover diagnostic system with current probeOR Digital Multi-Meter (DVOM) with current probe.
METHOD OF MEASUREMENT
Using an Approved Jaguar or Land Rover Diagnostic System.
1. Switch off all electrical loads and ensure that the ignition is off
2. Connect the current probe to the approved Jaguar or Land Rover diagnostic system
3. Calibrate the probe
4. Install a clamp around the battery lead/junction box lead
5. Go to the Quiescent Current Testing section in this procedure
Using a digital multimeter
Do not use an in-line DVOM to measure the quiescent drain on vehicles fitted with an electronic throttle (for example XK 2006
onwards). The current exceeds the maximum amount the fuse in the DVOM is capable of handling.
1. Switch off all electrical loads and ensure that the ignition is off
2. Connect the current probe to the digital multmeter
3. Calibrate the probe
4. Install a clamp around the battery lead/junction box lead
5. Go to the Quiescent Current Testing section in this procedure
QUIESCENT CURRENT TESTING
1. Switch ignition to ‘on’ or select ignition mode in keyless vehicles and switch to ‘off’ (do not crank)
2. Remove key from ignition switch (if equipped)
3. Open and latch all doors, hood and luggage compartment lid
4. Lock the vehicle using the remote function on the remote handset. (Single lock only to avoid volumetric alarm arming)
5. Remove any other potential electrical drains such as accessories plugged into accessory sockets
6. Record the amperage readings after the shutdown period referenced in the Topix on line resource for details. Note all
cars from 10MY onwards and XK from 07MY and XF from 08MY should be less than 30mA after 30 minutes
7. Record the final reading on the battery report form
The preferred method of testing following an excessive current consumption figure is to use a current probe around individual
junction box leads to the various suspected circuits to identify a potential cause. This is in preference to the old method of
removing fuses for the following reasons:
The drain may be caused by a module remaining active and preventing the quiescent drain from reducing to normal
levels
The drain may be caused by a relay winding that is activated. Pulling the fuse can allow this to ‘reset’ and the drain will
be lost and go un-diagnosed
QUIESCENT DRAIN - TYPICAL VALUES
NOTE: The quiescent drain after the initial shutdown period should not exceed the value shown in the table.
Jaguar Quiescent Drain Values
MODEL SHUT DOWN PERIOD (minutes) TYPICAL VALUES BATTERY DRAIN (mA) XJS 3.2 60 <30 Sovereign 3.2 60 <37.3
Page 1877 of 3039
1 CJB Generator 2 BJB Starter motor 3 GWM (gateway module) 4 DBM (dual battery module) 5 RJB Duel battery module 6 Battery to BJB terminal 7 BMS (battery monitoring system) Duel battery fuse box 8 Primary battery 9 Transit relay 10 Secondary battery 11 DBJB (dual battery junction box) 12 ECM 13 Generator 14 EJB COMPONENT LOCATION - DUAL BATTERY VEHICLES
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Page 1878 of 3039
Battery, Mounting and Cables - Battery and Cables - Overview
Description and Operation
OVERVIEW
Single Battery Vehicles Published: 18-Jun-2014
Mounted on the battery negative terminal is a BMS (battery monitoring system) module. The BMS module is integral with the
battery negative cable and is controlled by the ECM (engine control module).
CAUTION: To avoid damaging the battery monitoring system module, always use a suitable body ground point rather than
the battery negative terminal when connecting a slave power supply to the vehicle.
If a new battery is fitted to the vehicle, the BMS module will require re-calibrating using the Jaguar approved diagnostic
system.
Fitted on the battery positive terminal is a transit relay. The transit relay must be removed from the vehicle during the
Pre-Delivery Inspection (PDI). For additional information, refer to the PDI Manual.
The vehicle battery provides power to the BJB (battery junction box). The BJB contains 3 megafuses, delivering power to the RJB (rear junction box), the CJB (central junction box) and the EJB (engine junction box). In addition to containing fuses and
relays, the RJB and RJB contain software to control a number of vehicle systems. These functions are covered in the appropriate sections of this manual.
Dual Battery System Vehicles - TD42.2L Engine Variants Only
Two batteries are fitted to accommodate the dual battery system used for the Stop/Start system.
A primary battery is located in the luggage compartment floor in a plastic molded tray and secured with a metal rod. The
secondary battery is located in the DBJB (dual battery junction box).
The primary battery is a 90Ahr, 850A CCA AGM Battery.
The secondary battery is a 14Ahr, 200A CCA Absorbed Glass Mat (AGM) Battery.
A BMS (battery monitoring system) control module is mounted on the primary battery negative terminal. The BMS control
module is integral with the battery negative cable and is controlled by the GWM (gateway module).
CAUTION: To avoid damaging the BMS control module, always use the ground (negative (-)) terminal stud point on the
right side top mount. Never connect directly to the primary battery negative terminal when connecting a slave power supply to
the vehicle, the BMS control module can be damaged.
If a new primary battery is fitted to the vehicle, the BMS control module will require re-calibrating using a Jaguar approved
diagnostic system.
When the vehicle leaves the factory, a transit relay is fitted to the battery positive terminal. The transit relay is connected to
the CJB which limits the electrical functions to essential items only, to reduce loads on the primary battery. The transit relay must be removed from the vehicle during the PDI (Pre-Delivery Inspection). For additional information, refer to the PDI.
The primary battery provides power to the BJB. The BJB contains three megafuses, delivering power to the RJB, the EJB and the starter motor and generator. In addition to containing fuses and relays, the RJB and CJB contain software to control a number of vehicle systems. These functions are covered in the appropriate sections of this manual.
A jump start terminal is located adjacent to the EJB. A cover protects the terminal when not in use. If jump starting is
required, the cover must be removed and the positive (+) jump lead attached securely. The negative (-) jump lead is attached
to a stud located on the right side top mount in the engine compartment. The cover must be fitted to the positive terminal
when not in use.
Dual Battery System
The dual battery system is used on vehicles with the stop/start system. The dual battery system prevents the vehicle
electrical systems being subjected to undesirably low voltages during repeated engine restarts. If the electrical systems are
subject to low voltages the customer may notice degraded performance of components and systems and incorrect fault DTC
(diagnostic trouble code)'s may be stored.
The dual battery system isolates all electrical components and systems sensitive to low supply voltage from the primary
battery while an engine start is in progress, and supplies them from the secondary battery. Without the dual battery system,
the electrical power required by the TSS (Tandem Solenoid Starter) motor to crank the engine for each start would cause a
voltage drop across the entire vehicle electrical network, and cause control modules to function incorrectly and in some cases
reset and/or record DTC's.
If the dual battery system is unable to prevent electrical supplies to the vehicle systems being subjected to low voltage levels
during engine stop/start operations, due to the condition of the primary and/or secondary batteries or a system fault, the
stop/start feature is disabled.
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the secondary battery (if fitted) and passes through a grommet in the floorpan.
On new vehicles the primary battery positive terminal is fitted with a transit relay. The transit relay must removed using the
correct process detailed in the Pre Delivery Inspection (PDI) manual.
The battery negative terminal is fitted with a BMS control module. The control module is integral with the battery negative
cable and communicates with the GWM via a LIN bus connection. The battery condition information is passed to the GWM
which controls the generator output accordingly.
CAUTION: To avoid damage to the BMS control module, always use the body ground point in the engine compartment and
not the battery negative terminal when connecting a slave power supply.
Failure to use the recommended ground point will lead to the setting of a DTC. Incorrect information of battery condition will
be retained by the BMS control module due to the unmonitored current flow into the battery. The system will however,
recognize and compensate for the change in battery status after a period of time.
If a new battery is fitted, the BMS control module will require re-calibration using a Jaguar approved diagnostic system.
Replacement of the BMS control module requires no action as the control module will re-calibrate automatically.
SECONDARY BATTERY - DUAL BATTERY VEHICLES ONLY
The secondary battery is located in a tray on the next of the primary battery and is secured to the DBJB with a bracket. The
battery negative (-) terminal is connected via a cable to the vehicle body. The positive (+) terminal is connected by a cable to
the DBJB. The battery is vented via a tube which is connected with a T piece to the vent from the primary battery and passes
through a grommet in the floorpan.
The state of charge of the secondary battery is monitored by the Gateway Module (GWM).
BATTERY MONITORING SYSTEM (BMS)
The BMS (battery monitoring system) control module is located on the primary battery negative (-) terminal. The module is
located on the battery post and is clamped to the post with a bolt and nut.
The primary battery negative ground cable is connected to the BMS control module and is attached to a ground stud on the
vehicle body.
The BMS control module is connected into the vehicle wiring harness via a multiplug. The BMS control module receives a 12V
power supply direct from the primary battery positive terminal. A LIN (local interconnect network) bus connection provides
communication between the BMS control module and the ECM for control and monitoring of the primary battery current drain and state of charge.
The BMS control module measures battery current and voltage, which it communicates to ECM.
CAUTION: Due to the self-calibration routine, it is recommended that all power supply diagnostic testing is carried out
using the Jaguar approved diagnostic system rather than a digital multimeter.
The BMS control module is able to generate DTC (diagnostic trouble code)'s to help diagnose primary battery or generator
power supply issues. These DTC's can be read using the Jaguar approved diagnostic system. The Jaguar approved diagnostic
system can also be used to implement a primary battery and generator self test routine. For additional information, refer to
the Diagnosis and Testing section of the workshop manual.
If a fault is detected, the GWM (gateway module) will override the BMS control module.
The BMS control module DTC's can be used to help diagnose battery or generator power supply faults. The DTC's are stored in
GWM. The Jaguar approved diagnostic system has a process for an automated power supply diagnostic procedure. The
procedure provides a menu driven process to locate a fault in a logical sequence. The procedure uses the capability of the BMS
control module and generator LIN bus controlled functions to provide current flow information and will detect if the BMS control
module or generator are functioning correctly.
Page 1945 of 3039
player is only compatible with standard CD's. All other versions of CD player are compatible with standard CDs and CDs with MP3 or WMA (windows media audio) files.
A portable audio module allows for the connection of a range of portable audio devices to the car’s audio system. The portable
audio module is controlled through the IAM (integrated audio module) and Touch-screen with play back through the car’s
speaker system. The introduction of this system allows the user to import their personal portable media player to interface
with the car, including iPod and other MP3 players, or USB mass storage devices such as memory sticks. MP3 players can also
be controlled through the Touch-screen if they are configured as mass storage devices. Details of how to do this will be
contained in the manufacturers instructions.
The chosen audio device can be plugged into the car using an interface panel located in the floor console between the front
seats. The interface includes a 3.5mm auxiliary jack-plug socket, a 12-volt power supply, a dedicated iPod connector with
charging function, plus a USB2 connector which allows connectivity for a wide variety of USB devices. The USB port also
provides a charging function although it does not support a USB hub. The maximum charging current supplied is 500ma. The
user can connect an iPod and USB device at the same time, changing the source via the Touch-screen. The non selected source
will still charge.
The Jaguar Sound System is the basic audio system which comprises of an IAM (integrated audio module) with no external
amplifier and 8 speakers.
The Jaguar 320W Premium Sound System has the addition of an AUD 8 power amplifier and a 9 speaker system.
The Bowers & Wilkins 440w Surround Sound System additions include an AUD 12 power amplifier, a Dolby Pro-Logic 2 7.1
Surround Sound System, and 14 speakers.
DAB (digital audio broadcasting) is available for most European markets and gives access to digital radio channels for better
sound quality and enhanced functionality depending on local service availability. The DAB (digital audio broadcasting) module
is located in the luggage compartment. The system receives reception signals from the following sources to ensure optimum
signal strength.
DAB band L antenna located in the roof pod antenna module
DAB band III antenna located in the heated rear window.
For NAS vehicles the digital format adopted is satellite radio which specifically links to the Sirius network. The system operates
in the S-band frequency range, and as a result of the use of satellite transmission, has the ability to provide CD quality audio broadcasts over very large areas (typically continents). The satellite radio receiver is located in the luggage compartment. The
system receives reception signals from the satellite radio antenna located in the roof pod module.
Primary user control of the audio system is via the ICP (integrated control panel) and the Touch-screen which are located in the
center of the instrument panel. Control signals from the ICP (integrated control panel) are relayed on the medium speed CAN
(controller area network) bus to the ICM (information control module). The ICM (information control module) relays the control
signals to the rest of the audio system on the MOST (media oriented systems transport) ring. The ICM (information control
module) is the timing master for the MOST (media oriented systems transport) ring and also hosts a gateway function between
the medium speed CAN bus and the MOST (media oriented systems transport) ring. Audio output signals on the Jaguar 320W Premium Sound System and Bowers & Wilkins 440W Surround Sound System are sent on the MOST (media oriented systems
transport) ring from the IAM (integrated audio module) to the power amplifier for speaker output. www.JagDocs.com
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System Operation
PRINCIPLES OF OPERATION
Pri mary us er cont rol of t he phone s ys tem is vi a t he Touch-s creen and JaguarVoi ce cont rol s wit ch. Selecti on of
'phone/comms ' on the Touch-s creen home menu sends a control si gnal t o t he tel ephone cont rol unit on the MO ST (medi a
ori ent ated sys tems trans port ) ring, opening the phone s ubmenu opt ions .
W hen maki ng an outgoing phone call us ing t he JaguarVoice funct ion t he ICM (informat i on control modul e) proces s es the
anal ogue si gnal from the swi tch i nto a digit al s ignal . The digit al si gnal i s pass ed from the ICM (i nformat ion cont rol
module) onto the MO ST (medi a ori ent ated sys tems trans port ) s yst em t o t he JaguarVoi ce cont rol unit which i s int egral wit h
t he navi gat ion computer.
The navi gat ion comput er s ends an i ns t ructi on via MO ST (medi a ori ent ated sys tems trans port ) t o t he IAM (i ntegrat ed audi o
module) t o t urn on t he mi crophone faci li ty.
The voice command s ignals are rel ayed from t he IAM (i ntegrat ed audio module) vi a the MOST (medi a orientat ed s ys t ems
t ransport) ring t o t he navi gati on comput er for process ing.
The process ed voice command i s rel ayed on the MO ST (medi a ori ent ated sys tems trans port ) ring from the navigat ion
comput er to the phone cont rol module.
Speech out put i nformat ion is t rans ferred from the phone control modul e via t he Bl uet oot h® connect ion to t he cell phone.
Incomi ng cal ls are received from the Bl uet ooth® phone by the phone cont rol module. The i nformat ion is proces sed by the
phone cont rol module and t rans ferred on t he MOST (media ori ent ated s ys tems trans port ) ri ng t o the power ampl ifi er or IAM
(integrat ed audio modul e) for audi o output t hrough the vehicle’s audi o s peaker s ys t e m.
A number of res pons es by t he t el ephone and voice s ys tems are reinforced by mess ages appearing i n the ins trument cl us t er
mes s age center di spl ay. Informat ion is relayed to the mess age cent er from t he phone cont rol module and navigat ion
comput er on t he MOST (media orientat ed s ys t ems t rans port) ring t o t he ICM (informat ion cont rol module).
The ICM (informati on cont rol module) i s the gat eway from t he MOST (media ori ent ated s ys tems trans port ) ri ng t o the
medium s peed CAN. The ICM (informat ion control modul e) trans fers t he mes sage center i nformat ion ont o t he medium
s peed CAN which i s received and process ed for dis play on t he ins t rument clus ter mes s age cente r.
Us ers can pair & dock t heir hands et us ing t hei r phone or t he t ouch s creen. If t here i s no phone already docked wit h t he
s ys t em, a us er can us e t heir phone to search for Bluetoot h Devices. If the vehicl es Bluetooth s ys t em has been s uccess fully
dis covered, t he phone wil l di spl ay "Jaguar" as a device t o pair & connect t o. Us ing t his met hod requires the us er t o enter
t he Jaguar PIN of 1313. Alt ernati vel y, after acces s ing t he phone menu from t he Touch-s creen home menu, sel ect ing
‘Search New’ s earches for the Bluetooth® enabl ed hands et s wit hin range, di spl ays t he ir ident it ies on s creen, and al lows
t he user t o pair and dock the phone ready for use, us ing a random four-di git s ecurit y code di s pl ayed on screen. The s yst em
wil l normall y t ry t o dock (aut omati cal ly) to the las t phone docked, but if a di ffere nt Bluetoot h® enabled phone enters the
car i t wil l become avail abl e on t he s creen’s l is t of hands ets once t he s earch has be en complet ed.
Once a phone is pai red and docked a digit di al s creen i s dis played, incl uding phonebook opti ons . W it h a Bl uet oot h®
compat ibl e hands et and s oft ware vers i on there is the opt ion, through t he s ett ings me nu, t o automat ically downl oad the
cont ents of t he hands et’s phonebook t o the vehicl e s ys t em. Becaus e t here is no indus try s tandard for arranging the
phonebook, t he downloaded li st s from individual hands ets may vary.
Cell phone hands et manufact urers cont inuall y updat e hardware and s oft ware t o s t andard specificati ons laid down by the
Bluet oot h® Special Int eres t Group (SIG), which defi ned how Bluet oot h® woul d work in an aut omoti ve envi ronment.
However, becaus e different makes and models may use different s oft ware, not all hands ets are full y compat ible wit h
Jaguar, but t hrough tes t ing i ndi vi dual handset models Jaguar has produced a lis t of compat ibl e hands et s and the
appropri at e s oft ware vers ion for Jaguar Bl uet ooth® connecti vi ty. Referral to the lis t als o des cri bes how to check the
s oft ware vers i on of each i ndi vidual cell phone manufacturer. This l is t mus t be cons ult ed by us ers , s al es & s ervi ce teams t o
confirm whet her cus tomer's handset s are compat ible or not .
Jaguar is conti nual ly vali dati ng compat ible hands et and software combinati ons . The mos t up-t o-dat e compat ibi lit y l is t wil l
always be avail abl e on-l ine from Jaguar.
• NOTE: To achieve ful l Bl uetooth® hands et functi onal it y it is crucial t hat t he phone s oftware l evel mat ches t he vers ion
detail ed in the lis t of compat ibl e hands et s.
The upgraded hands free profi le of t his s ys tem allows the di spl ay of t he network s ignal st rengt h, net work operat or and
phone bat tery level indicati on on t he vehi cl e dis play. Als o, if appli cable, t he phone hands et wil l s how a "car" or "heads et"
s ymbol t o i ndi cat e i t is i n hands free profil e.
BLUETOOTH®
Bluet oot h® i s a s hort -range RF (radio frequency) t echnology t hat operat es at 2.4 GHz and is capabl e of t rans mit ti ng voice
and data wirel ess l y. The effecti ve range of Bluetoot h® devices is 32 feet (10 meters ) wit h a dat a t ransfer rat e of 1 Mbps .
Bluet oot h® i s es sent iall y a wi rel es s connect ion whi ch operat es wi th the us er's own mobil e hands et , does not have to be
fi xed int o t he car and i s desi gned to funct ion wit hout an external aerial. The hands et can be l ocat ed anywhere wit hin t he
cabi n, even i n a bag, or jacket pocket . It could work from the luggage compart ment , al though t he s ignal could be
compromi sed. The hands et can be charged from t he 12 volt power s ocket or USB (if s upported) whil e in use.
Component Description
Touch-Screen
The Touch-screen communi cat es wit h t he tel ephone control modul e on t he MOST (media orientat ed s ys t ems t rans port) ring
and provides t he pri mary us er int erface and di spl ay of the phone s yst em.
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In addition to the standard navigation system there are two market dependant systems that supply extra information to the
navigation system and the driver. These are:
TMC (traffic message channel) (Europe only)
VICS (vehicle information and communication system) (Japan only)
The TMC (traffic message channel) is a function of the FM (frequency modulation)RDS (radio data system). The system
broadcasts real-time traffic and weather information. Data messages are received and decoded by the TMC (traffic message
channel) integral receiver and processed by the navigation computer. TMC (traffic message channel) messages can be filtered
by the navigation computer so that only those relevant to the current journey are displayed, allowing the navigation system to
offer dynamic route guidance - alerting the driver of a problem on the planned route and calculating an alternative route to
avoid the incident. All TMC (traffic message channel) events on the map can be viewed not just the ones on the calculated
route.
TMC (traffic message channel) traffic information systems conform to a global standard that has been adopted by traffic data
gatherers, information service providers, broadcasters and vehicle/receiver manufacturers.
All TMC (traffic message channel) receivers use the same list of event codes, while the location database (on the map disc)
contains both a country-specific set of location codes for the strategic European road network.
TMC (traffic message channel) traffic data is currently broadcast in many European countries.
The VICS (vehicle information and communication system) is broadcast in the Japanese market.
The VICS (vehicle information and communication system) supplies information to enable the navigation computer to re-route
the navigation guidance or to inform the vehicle driver of traffic conditions in the vehicles vicinity. Information is provided to
the system through 3 routes:
RF (radio frequency) transmission
Infra-red transmission
FM multiplex transmissions
The RF (radio frequency) transmissions are generally transmitted from road side beacons mainly on expressways. The
information transmitted is as follows:
Traffic congestion
Travel time to next intersection
Traffic conditions in surrounding areas and expressway turn offs
Traffic accidents
Speed limits
Lane regulations
Tire change
Parking availability at expressway service areas and parking areas
Infra-Red transmissions are transmitted from road side beacons on major trunk roads. The information transmitted is:
Traffic congestion and travel time
Traffic accidents
Breakdowns
Road works restrictions
Parking availability
FM transmissions are broadcast as part of the FM multiplex broadcasting system from NHK FM stations. Information transmitted is:
Traffic congestion and travel time for wide areas
Traffic accidents, road works, speed limits and lane restrictions for a wide area
Parking availability information
The traffic data is split from the normal FM transmissions by the diversity antenna module.
Selection of 'Navigation' on the Touch-screen home menu and subsequent sub-menu selection sends a control request signal to
the navigation computer on the MOST (media orientated systems transport) ring. The requested control information is
processed by the navigation computer.
If voice guidance is operational the voice signal information is relayed from the navigation computer on the MOST (media
orientated systems transport) ring to either the IAM (integrated audio unit) or Power Amplifier, dependant on equipment level,
for output on the speaker system. The navigation audio output is through the front speakers whilst the background audio, for
example radio or CD (compact disc), is played at a reduced volume on the rear speakers.
The GPS signal is available to the navigation system at all times when the vehicle ignition is switched on.
Navigation user voice commands are made using the JaguarVoice system. The ICM (information control module) processes the
analogue signal from the JaguarVoice switch into a digital signal. The digital signal is passed from the ICM (information control
module) onto the MOST (media orientated systems transport) system to the JaguarVoice control unit which is integral with the
navigation computer.
The navigation computer sends an instruction via the MOST (media orientated systems transport) ring to the IAM (integrated
audio module) to turn on the microphone facility.
The microphone is hardwired to the IAM (integrated audio module). The spoken voice command signals are relayed from the
IAM (integrated audio module) via the MOST (media orientated systems transport) ring to the navigation computer for
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resistors. The returned signal voltage is detected by the instrument cluster which outputs a message on the medium speed
CAN bus to the CJB to activate the headlamps. The reference voltage to the auto headlamp exit delay switch is routed through 4 resistors which is detected by the instrument cluster which outputs a message on the medium speed CAN bus to the CJB that auto headlamp or exit delay has not been selected.
AUTOLAMPS - When the lighting control switch is in the auto headlamp position, the reference voltage flows through 4 of the
resistors. The returned signal voltage is detected by the instrument cluster which outputs a message on the medium speed
CAN bus to the CJB to activate the autolamp function. The reference voltage to the autolamp exit delay switch is routed through 4 resistors which is detected by the instrument cluster which outputs a message on the medium speed CAN bus to the CJB that auto headlamp has been selected.
AUXILIARY LIGHTING SWITCH
Headlamp Leveling Rotary Thumbwheel (Halogen headlamps only)
A power supply is passed to the headlamp leveling thumbwheel from the ignition relay in the EJB. Depending on the position of the thumbwheel, the voltage passes through 1, 2 or 3 resistors connected in series. The voltage through the resistors is
passed to the headlamp leveling motor controller in each headlamp. The received voltage is determined as a request for the
appropriate level position and the controller powers the headlamp level motors to the applicable position for each headlamp.
Rear Fog Lamp Switch
The instrument cluster supplies a reference voltage and return to the rear fog lamp switch. The fog lamp switch is a
non-latching, momentary switch.
When the fog lamp switch is off the reference voltage is passed through a 1Kohm resistor. The voltage through the resistor is
returned to the instrument cluster that determines that no request for fog lamp operation has been made.
When the driver presses the fog lamp switch, the reference voltage is passed through a 330 ohm resistor. The change is return
voltage is sensed by the instrument cluster which determines fog lamp operation has been requested. The instrument cluster
transmits a medium speed CAN bus signal to the RJB providing the lighting control switch is in the correct position. The RJB reacts to the message and provides a power supply to the 3 LED (light emitting diode)'s in each rear fog lamp. A fog lamp
warning lamp in the instrument cluster will also be illuminated when the fog lamps are operating.
The RJB will only activate the rear fog lamps if the headlamps are selected on or are active with auto headlamp activation. When the headlamps are turned off the fog lamps are also turned off. When the headlamps are next switched on, the fog
lamps will not be activated until the driver requests fog lamp operation.
NOTE: The fog lamps do operate when DRL (daytime running lamps) are active.
HEADLAMP LEVELING
Manual Headlamp Leveling - Halogen headlamps only
A power supply is passed to the headlamp leveling motor in each headlamp from the ignition relay in the EJB. When a signal voltage is received from the headlamp leveling rotary thumbwheel, the headlamp leveling motor controller in each headlamp
uses the power supply to operate the motors and move the headlamp to the requested position.
Static Dynamic Headlamp Leveling - Xenon headlamps only
The headlamp leveling module receives a power supply from the ignition relay in the EJB. The same power supply is also supplied to the headlamp leveling motor in each headlamp assembly. The front and rear height sensors are connected to the
headlamp leveling module and receive a power and ground from the module. Each sensor has a signal line to the headlamp
leveling module to return height information to the module. The module uses the height signals from the sensors to calculate
the vehicle attitude and supplies a signal to each motor to power the headlamp to the required position.
EXTERIOR BULB TYPE/RATING Component Description
The following table shows the bulbs used for the exterior lighting system and their type and specification.
NOTE: The tail lamps, side marker lamps, stop lamps, high mounted stop lamp and rear fog lamps are illuminated by
LED's and are non-serviceable components.
Bulb Type Rating Halogen headlamp - Projector module low/high beam - Not NAS H7 55W Halogen headlamp - Projector module low/high beam - NAS only H11 60W Xenon headlamp - Projector module low/high beam - All markets D1S 35W High beam only (halogen) - High/low beam (xenon) - All markets H7 55W Front side lamps - all markets W5W Halogen cool blue (HCB) 5W Front turn signal indicators - Not NAS PY21W 21W Front turn signal indicators - NAS only 3457AK 27W Rear turn signal indicators - All markets PSY19W 19W Turn signal indicator side repeaters - All markets WY5W 5W
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3 BJB - Megafuse 4 RJB 5 Glovebox lamp 6 Glovebox lamp switch 7 LH footwell lamp 8 RH footwell lamp 9 LH vanity mirror 10 RH vanity mirror 11 LH rear interior lamp 12 RH rear interior lamp 13 CJB 14 Ambience lighting LED's 15 LH map reading lamp 16 Courtesy lamp 17 RH map reading lamp
JUNCTION BOXES
Inputs System Operation
The CJB receives the following inputs which affect the operation of the interior lamps: Ignition mode
Lock/unlock
Luggage compartment lid latch switch
Door latch switches.
Outputs
The RJB outputs the following for the interior lighting system: Luggage compartment lamp power supply
Driver and passenger door module power supplies
Fade on and off grounds for front and rear overhead console interior lamps and footwell lamps
PWM (pulse width modulation) power output for the ambience lighting.
Interior Lamp Time-Out
The interior lamps are controlled by a timer within the CJB which allows a 60 second delay period for the lamps to remain active after the ignition mode has been changed to off power mode 0 or the vehicle has been unlocked. The interior lamp fade
off is controlled by the RJBvia a delayed power off relay in the CJB. The following interior lamps are subject to the delay period:
Front overhead console interior lamp
Rear interior lamps
Footwell lamps
Door mirror approach lamps.
The timer delay is activated when the CJB receives one of the following signals: An unlock signal from the Smart Key via the keyless vehicle module.
Ignition mode is changed from the crank power mode 9 or ignition power mode 6 to the accessory power mode 4 to the
off power mode 0.
If a second occurrence of the above actions occurs within the timer period, the timer will be rest and the delay period timer will
restart.
The timer delay is deactivated when the CJB receives one of the following signals: A lock signal from the Smart Key via the keyless vehicle module
Ignition mode is changed from the off power mode 0 to the accessory power mode 4 or ignition power mode 6
The CJB receives a door opened signal (even if that door is subsequently closed). Battery Saver
The battery saver provides an automatic shut-off of the interior lamps after a period of 15 minutes in order to prevent
excessive power drain on the battery.
When the ignition mode is changed from the ignition power mode 6 or accessory power mode 4 to the off power mode 0, the
CJB starts a timer which de-energizes a delayed power off relay in the CJB, removing the power supply to the interior lamps after a period of 15 minutes, switching off all or any interior lamps which have remained on for any reason.
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Once the timer has expired and the lamps are off, any one of the following will 'wake up' the battery saver and the interior
lamps will function again. The timer will be restarted as soon as an input is received by the CJB from one of the following:
Ignition mode changed from off power mode 0 to accessory power mode 4, ignition power mode 6 or crank power mode
9.
Any door, including the luggage compartment lid is opened
An unlock request is received from the Smart Key via the keyless vehicle module
Overhead console interior lamp is switched on via the JaguarSense function.
INTERIOR LAMPS
When the interior lighting system switches the interior lamps on, the CJB ramps the lamps up to full power over a period of 1.3 seconds. When the system switches the lamps off, after the time-out period has expired, the CJB fades the lamps off over a period of 2.6 seconds.
The interior lighting system will illuminate the interior lamps when one of the following events occurs:
The CJB receives an unlock signal from the Smart Key via the keyless vehicle module Any door is opened including the luggage compartment lid
The ignition mode is changed from ignition power mode 6 or accessory power mode 4 to off power mode 0.
The interior lighting system will turn off the interior lamps when one of the following events occurs:
Once the time-out timer delay has expired since the lamps were either activated or the last door is closed and the
vehicle is not locked
The ignition is in off power mode 0 and an external lock is requested (using either the door lock buttons or the Smart
Key) with all doors closed
The ignition mode is changed from the off power mode 0 or the accessory power mode 4 to the ignition power mode 6
The last door is closed and the vehicle is externally locked, on receipt of an unlock request from the Smart Key or door
handle operation detected when the time-out timer is still active.
DELIVERY MODE
Delivery mode is set at the factory on vehicles to minimize battery drain. The mode enables the switching off of non-critical
electrical components, including the interior lighting system. The delivery mode feature is cancelled by the dealer during the
Pre-Delivery Inspection using an approved Jaguar diagnostic system.
CRASH ILLUMINATION
When a crash signal is received from the RCM (restraints control module), the CJB activates the interior lamps once the vehicle speed has reduced to 5 km/h (3.1 mph). The hazard flashers are also activated and the doors are prevented from being locked.
The lamps remain on until the crash signal is removed, they cannot be switched off using the JaguarSense feature. The crash
signal is removed by completing one ignition on and off cycle.
INTERIOR BULB TYPE/RATING Component Description
The following table shows the bulbs used for the interior lighting system and their type and specification.
NOTE: The front overhead console and the front door ambience lighting is illuminated by LED's and are non-serviceable components.
Bulb Type Rating Front overhead console - interior lamp W6WX 6W Front overhead console - LH/RH map reading lamps W6WX 6W Rear interior lamps W6WX 10W Sunvisor lamps TS1.3W 1.3W LH/RH footwell lamps W5W 5W Glovebox lamp W5W 5W LH/RH door mirror approach lamps W5W 5W Luggage compartment lamp S10W 10W JUNCTION BOXES
The CJB is an integrated unit located on the RH 'A' pillar, below the instrument panel. The CJB contains fuses, relays and number of microprocessors which control the power supply and functionality of the interior lighting system and other vehicle
systems.
The RJB is located on the RH side of the luggage compartment. The RJB contains fuses, relays and microprocessors which in conjunction with the CJB control the interior lighting system and other vehicle systems. Circuit Protection
The CJB and the RJB provide circuit protection for all interior lamp circuits. The lamps are protected by fuses in the CJB and the RJB.