Fuel JAGUAR XFR 2010 1.G Workshop Manual

DTC Description Possible Causes Action P123014
Fuel Pump Low
Speed
Malfunction
(VLCM)
High Side output not
driven - Diagnosis
feedback indicates output
is short to ground, open
circuit Refer to the electrical circuit diagrams and check fuel pump
delivery module for short to ground, open circuit P123093
Fuel Pump Low
Speed
Malfunction
(VLCM)
High Side output not
driven - Diagnosis
feedback indicates output
is at open load or short
to power Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check fuel pump delivery module for short to
power, open circuit P134611
Fuel Level Sensor
B Circuit
Fuel level sensor B
analogue input circuit -
short to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check fuel level sensor B analogue input
circuit for short to ground P134615
Fuel Level Sensor
B Circuit
Fuel level sensor B
analogue input circuit -
short to power, open
circuit Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check fuel level sensor B analogue input
circuit for short to power, open circuit P162413 Anti-theft System
Anti-theft signal circuit
from CJB - open circuit Refer to the electrical circuit diagrams and check anti-theft signal
circuit from CJB for open circuit C111A11 Right Stop Lamp
Right stomp lamp control
circuit - short to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check right stomp lamp control circuit for
short to ground C111A12 Right Stop Lamp
Right stomp lamp control
circuit - short to power Refer to the electrical circuit diagrams and check right stomp
lamp control circuit for short to power C111A13 Right Stop Lamp
Right stomp lamp control
circuit - open circuit Refer to the electrical circuit diagrams and check right stomp
lamp control circuit for open circuit C111B11 Left Stop Lamp
Left stomp lamp control
circuit - short to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check left stomp lamp control circuit for
short to ground C111B13 Left Stop Lamp
Left stomp lamp control
circuit - open circuit Refer to the electrical circuit diagrams and check left stomp lamp
control circuit for open circuit C112011 Reversing lamp
Reverse lamp control
circuit - short to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check reverse lamp control circuit for short
to ground C112012 Reversing lamp
Reverse lamp control
circuit - short to power Refer to the electrical circuit diagrams and check reverse lamp
control circuit for short to power C112013 Reversing lamp
Reverse lamp control
circuit - open circuit Refer to the electrical circuit diagrams and check reverse lamp
control circuit for open circuit C1120-15
Reversing lamp -
circuit short to
battery or open
Reverse lamp control
circuit - short circuit to
power, open circuit, high
resistance
Refer to the electrical circuit diagrams and check reverse
lamp control circuit for short circuit to power, open circuit,
high resistance. Repair wiring harness as required. Clear
DTC and retest B100A51
Fuel Pump
Authorisation
RJB fault
Low speed CAN fault
Instrument cluster fault Check power and ground supplies to RJB. Check CAN
communications between RJB and instrument cluster. Check
power and ground supplies to instrument cluster B100A62
Fuel Pump
Authorisation
Low speed CAN fault
RJB fault
Instrument cluster fault
Incorrect module
installed (RJB/Instrument
cluster) Check CAN communications between RJB and instrument cluster.
Check power and ground supplies to RJB and instrument cluster.
Confirm correct module installed. Re-synchronise ID by
re-configuring the RJB as a new module. Check CAN network for
interference/EMC related issues

DTC Description Possible Causes Action Write target SID
synchronisation error
following re-programming
Noise/EMC related error B100A63
Fuel Pump
Authorisation
RJB fault
Low speed CAN fault
Instrument cluster fault
Low battery voltage <9V Check power and ground supplies to RJB and instrument cluster.
Check CAN communications between RJB and instrument cluster.
Check battery is in fully charged and serviceable condition, refer
to the battery care manual B102612
Steering Column
Lock
Steering column lock
ground circuit - short to
power Refer to the electrical circuit diagrams and check steering column
lock ground circuit for short to power B108783 LIN Bus "A"
The checksum of the
received LIN frame is
incorrect Check the battery monitoring system and rear parking aid system
for DTCs and refer to relevant DTC Index B108786 LIN Bus "A"
The header of the LIN
message received is
incorrect Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Check the battery
monitoring system and rear parking aid system for DTCs and
refer to relevant DTC Index B108788 LIN Bus "A"
Battery monitoring
system LIN circuit - short
to ground, power Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check battery monitoring system LIN circuit
for short to ground, power B108A23 Start Button
Start/Stop switch digital
input signal circuit -
stuck low Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check Start/Stop switch digital input signal
circuit for short to ground B10A111 Trailer Tow
Detection
Trailer tow detection
digital input circuit -
short to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check trailer tow detection digital input
circuit for short to ground B10AF12 Blower Fan Relay
High Side output not
driven - Diagnosis
feedback indicates output
is short to power Refer to the electrical circuit diagrams and check blower motor
supply circuit for short to power B10AF14 Blower Fan Relay
High Side output not
driven - Diagnosis
feedback indicates output
is short to ground, open
circuit Refer to the electrical circuit diagrams and check blower motor
supply circuit for short to ground, open circuit B10AF93 Blower Fan Relay
High Side output not
driven - Diagnosis
feedback indicates output
is at open load or short
to power Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check blower motor supply circuit for short
to power, open circuit B10DD11 Airbag Deployed
Airbag deployed digital
input signal circuit - short
to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check airbag deployed digital input signal
circuit for short to ground B10DD15 Airbag Deployed
Airbag deployed digital
input signal circuit - short
to power, open circuit Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check airbag deployed digital input signal
circuit for short to power, open circuit B10DD38 Airbag Deployed
Signal frequency incorrect Check the RCM for related DTCs and refer to the relevant DTC
Index B10DE11
Low Fuel Warning
Switch
Diesel run-dry switch
analogue input circuit -
short to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check diesel run-dry switch analogue input
circuit for short to ground www.JagDocs.com

DTC Description Possible Causes Action B10DE15
Low Fuel Warning
Switch
Diesel run-dry switch
analogue input circuit -
short to power, open
circuit Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check diesel run-dry switch analogue input
circuit for short to power, open circuit B111211 Park Aid Ignition
Parking aid ignition
supply circuit - short to
ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check parking aid ignition supply circuit for
short to ground B111212 Park Aid Ignition
Parking aid ignition
supply circuit - short to
power Refer to the electrical circuit diagrams and check parking aid
ignition supply circuit for short to power B111511
High Mounted
Stop Lamp
Control
High mounted stop lamp
control circuit - short to
ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check high mounted stop lamp control circuit
for short to ground B111611 Left Tail Lamp
Left hand tail lamp
control circuit - short to
ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check left hand tail lamp control circuit for
short to ground B111711 Right Tail Lamp
Right hand tail lamp
control circuit - short to
ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check right hand tail lamp control circuit for
short to ground B111A11
Number Plate
Lamps
Right hand or left hand
number plate lamp
control circuits - short to
ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check right hand and left hand number plate
lamp control circuits for short to ground B111A12
Number Plate
Lamps
Right hand or left hand
number plate lamp
control circuits - short to
power Refer to the electrical circuit diagrams and check right hand and
left hand number plate lamp control circuits for short to power B111A13
Number Plate
Lamps
Right hand or left hand
number plate lamp
control circuits - open
circuit Refer to the electrical circuit diagrams and check right hand and
left hand number plate lamp control circuits for open circuit B111A-15
Number Plate
Lamps - circuit
short to battery
or open
Right or left side licence
plate lamp(s) inoperative
Right or left side licence
plate lamp control
circuits - short circuit to
power, open circuit, high
resistance
Refer to the electrical circuit diagrams and check right
side and left side licence plate lamp control circuits for
short circuit to power, open circuit, high resistance. Repair
wiring harness as required. Clear DTC and retest B111D12
Boot/Trunk Motor
Open
Luggage compartment lid
latch actuator control
circuit - short to power Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check luggage compartment lid latch
actuator control circuit for short to power B111D14
Boot/Trunk Motor
Open
Luggage compartment lid
latch actuator control
circuit - short to ground,
open circuit Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check luggage compartment lid latch
actuator control circuit for short to ground, open circuit B111E11 Boot/Trunk Lamps
Luggage compartment
lamp control circuit -
short to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check luggage compartment lamp control
circuit for short to ground B111E12 Boot/Trunk Lamps
Luggage compartment
lamp control circuit -
short to power Refer to the electrical circuit diagrams and check luggage
compartment lamp control circuit for short to power

DTC Description Possible Causes Action B124812
Right Rear Turn
Indicator
Right rear turn signal
lamp control circuit -
short to power Refer to the electrical circuit diagrams and check right rear turn
signal lamp control circuit for short to power B124813
Right Rear Turn
Indicator
Right rear turn signal
lamp control circuit -
open circuit Refer to the electrical circuit diagrams and check right rear turn
signal lamp control circuit for open circuit B1248-15
Right Rear Turn
Indicator - circuit
short to battery
or open
Right rear turn signal
lamp control circuit -
short circuit to power,
open circuit, high
resistance
Refer to electrical circuit diagrams and check right rear
turn signal lamp control circuit for short circuit to power,
open circuit, high resistance. Repair wiring harness as
required. Clear DTC and retest B126113
Fuel Flap/Door
Release Switch
Fuel filler flap digital
input signal circuit - open
circuit Refer to the electrical circuit diagrams and check fuel filler flap
digital input signal circuit for open circuit B1A7911 Rear Fog Lamp
Rear fog lamp control
circuit - short to ground Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check rear fog lamp control circuit for short
to ground B1A7912 Rear Fog Lamp
Rear fog lamp control
circuit - short to power Refer to the electrical circuit diagrams and check rear fog lamp
control circuit for short to power B1A7913 Rear Fog Lamp
Rear fog lamp control
circuit - open circuit Refer to the electrical circuit diagrams and check rear fog lamp
control circuit for open circuit B1C5512 Horn Relay
Horn control circuit -
short to power Refer to the electrical circuit diagrams and check horn control
circuit for short to power B1C5514 Horn Relay
Horn control circuit -
short to ground, open
circuit Refer to the electrical circuit diagrams and check horn control
circuit for short to ground, open circuit B1C8312 Rear Defog Relay
High Side output not
driven - diagnosis
feedback indicates output
is short to power Refer to the electrical circuit diagrams and check heated rear
window power supply circuit for short to power B1C8314 Rear Defog Relay
High Side output not
driven - diagnosis
feedback indicates output
is short to ground, open
circuit Refer to the electrical circuit diagrams and check heated rear
window power supply circuit for short to ground, open circuit B1C8393 Rear Defog Relay
High Side output not
driven - diagnosis
feedback indicates output
is at open load or short
to power Carry out any pinpoint test associated with this DTC using the
manufacturer approved diagnostic system. Refer to the electrical
circuit diagrams and check heated rear window power supply
circuit for open load and short to power B1C9112
Fuel Flap/Door
Lock Relay Coil
Circuit
Fuel filler flap locking
motor control circuit -
short to power Refer to the electrical circuit diagrams and check fuel filler flap
locking motor control circuit for short to power B1C9114
Fuel Flap/Door
Lock Relay Coil
Circuit
Fuel filler flap locking
motor control circuit -
short to ground, open
circuit Refer to the electrical circuit diagrams and check fuel filler flap
locking motor control circuit for short to ground, open circuit B1D3512 Hazard Switch
Hazard warning lamp
switch digital input circuit
- short to power Refer to the electrical circuit diagrams and check hazard warning
lamp switch digital input circuit for short to power

length.

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15. NOTE: See illustration: Stripping Insulation

From the Relationship Table, find the correct length of insulation to be stripped from the pre-terminated wiring harness
and set the adjustable cable length stop to the correct length. Place the pre-terminated wiring harness in the wire
stripper and remove the insulation.
Put the cable identification sleeve(s) on to the wiring harness with the main cable colour nearest to the terminal.
During this next step do not over tighten. Place the selected butt splice connector in the crimping tool, matching the
aperture and the butt connector colours. Make sure that the window indentation in the butt connector is resting over
the guide bar on the lower jaw. Partially close the grip until the butt connector is securely held in the aperture. This will
give support to the butt connector while the pre-terminated wiring harness is inserted into it.

NOTE: See illustration: Splice Correctly Located

Insert the pre-terminated wiring harness into the butt connector and make sure that the wire is against the wire stop.
Close the grip firmly, crimping the lead to the butt connector. When the handles have been completely closed the butt
connector will be freed from the tool as the handles are released. If the handles have not been completely closed then
the jaws will hold the butt connector and it cannot be removed from the tool until the crimp is fully made by closing the
handles completely.
Make sure that the harness cable has been squarely cut and the correct length of insulation removed. If more than one
splice is needed the butt connectors must be not be crimped to the wiring harness at the same distance from the
connector. The splices must be staggered to prevent a bulk of splices in the same area of the wiring harness.
It is preferable to cover the butt splice joint with heat shrink sleeve. This is desirable not essential, except where the
electrical connector is a sealed electrical connector. Use the smaller diameter sleeve for red and blue pre-terminated
wiring harness(s) and the large diameter sleeve for the yellow pre-terminated wiring harness(s). It is advisable to place
the heat shrink over the completed joint but in some instances the sleeve will not pass over the terminal. Check, and if
required, place the correct size sleeve onto the harness cable or pre-terminated wiring harness before crimping the butt
splice to the wiring harness.
Place the harness cable into the butt splice with the splice window over the guide bar. Make sure that the cable harness
wire is against the stop in the butt splice, crimp the butt splice connector to the wiring harness.
Gently pull the harness cables each side of the butt splice to make sure that a secure joint has been made.

WARNING: Do not use a naked flame in areas where fuel or oil have been spilt. Clean the area of residual oil and
fuel and wait until the fuel spill has fully evaporated.
CAUTIONS:


When using a heat source make sure that it is localised and causes no damage to surrounding materials.


Where the repair procedure indicates that a glue lined heat shrink sleeve should be applied, apply sufficient heat
to the glue lined heat shrink to melt the glue in order to provide a water tight seal. Do not over heat the glue lined
heat shrink sleeve so that the wiring harness insulation becomes damaged.
Using a suitable heat source, shrink the sleeve over the butt splice.
If further pre-terminated wiring harness(s) are to be installed to the same electrical connector, make sure that the lead
is cut at a different length to the previous joint. This makes sure that the splices will, where possible, be staggered on
the wiring harness and prevent a bulk of splices in one area.
When all of the splices have been made, fit the terminal(s) to the electrical connector, taking care that the terminals
are correctly orientated.
Install the wiring harness cover and secure with adhesive electrical tape. Do not cover the wiring harness right to the
electrical connector as the terminals must have a little movement and not be firmly bound to the electrical connector or
wiring harness. Make sure that the cable identification sleeve(s) are showing at the wiring harness electrical connector.
www.JagDocs.com

The battery backed sounder is disconnected (partial trigger only).
The vehicle battery is disconnected on a vehicle fitted with a battery backed sounder (partial trigger only).
The inclination sensor detects a change in vehicle attitude.
The intrusion detection module detects movement within the cabin.



Door Modules Component Description

The door modules provide the interface between the door latch-motors, the door latch-switches and the CJB. The door modules
provide door switch status information and enable the door latch-motors on request from the CJB or the keyless vehicle
module.

Keyless Vehicle Module

The keyless vehicle module interfaces with the Central locking, Radio Frequency (RF) receiver and collects RF signal information
which is transmitted from the Smart Key. This information is translated into commands which are passed on the medium speed
CAN bus to the:

CJB,
RJB,
door modules, and
instrument cluster.
The keyless vehicle module also monitors:
2 interior antennae,
1 luggage compartment antenna,
a rear bumper antenna, and
4 door handle antennae if the passive entry system is fitted.

On vehicles with passive entry, the additional fast latch motors are controlled via the keyless vehicle module and the locking
status is passed to the CJB on the medium speed CAN bus.

Instrument Cluster

The instrument cluster controls the alarm indicator, and in conjunction with the ECM (engine control module), the engine
immobilization. The ECM controls the engine crank and fuel functions and the instrument cluster processes the valid
transponder information.

Alarm Indicator

The alarm indicator is a LED (light emitting diode) located in the body of the sunload/light sensor. When the ignition is off the
indicator gives a visual indication of the active anti-theft system to show if the alarm system is active or not active. Operation
of the alarm indicator is controlled by the instrument cluster which varies the flash rate of the LED to indicate the system
status of the alarm and the immobilization systems.

When the ignition is on, the indicator provides a visual indication of the status of the passive anti-theft (engine
immobilization) system. If the immobilization system is operating correctly, the LED will be illuminated for 3 seconds at
ignition on and then extinguish. If a fault exists in the immobilization system, the LED will be either permanently illuminated
or flashing for 60 seconds. This indicates that a fault exists and fault code has been recorded. After the 60 second period the
LED will flash at different frequencies which indicate the nature of the fault.
Refer to: Anti-Theft - Passive (419-01B Anti-Theft - Passive, Description and Operation).
Passive Anti-Theft Horn

The passive anti-theft horn is hardwired to the CJB which activates the horn when the alarm is triggered.

Battery Backed Sounder

Operation of the battery backed sounder is controlled by the CJB on the LIN bus. The sounder is also connected with a
permanent battery supply via the CJB. An integral, rechargeable battery powers the sounder if the battery power supply from
the CJB is interrupted.

Dependant on vehicle, a incitation sensor is incorporated into the battery backed sounder, to monitor vehicle attitude, see
Inclination Sensor.

Inclination Sensor

The CJB monitors the inclination sensor and will activate the alarm system if the vehicle is being raised.

Intrusion Detection Module

The intrusion detection module comprises an ultrasonic sound wave sensor which monitors the vehicle's interior.

The intrusion detection module is activated with volumetric mode which in turn is enabled when the vehicle is double locked.
The vehicle can be locked and alarmed with the module de-activated if a pet is to be left in the vehicle for example by single-

Anti-Theft - Passive - Anti-Theft - Passive - Overview
Description and Operation

Overview Published: 11-May-2011

The PATS (passive anti-theft system) prevents the vehicle's engine from being started by unauthorized persons.

Engine starting is prevented by inhibiting the fuel, engine (spark, injectors and crank) and ignition systems from operating.
This is achieved by using a uniquely coded Smart Key and an encoded data exchange between multiple control modules.
The system is automatic and requires no input from the driver.

The engine start system is initiated when the encoded data between the Smart Key and vehicle control modules is verified.
The engine can then be started when the drive selector is in the 'Park' position, and the start/stop switch and the brake pedal
are pressed simultaneously.

7 Low frequency antenna - front 8 Low frequency antenna - center 9 Low frequency antenna - rear 10 Radio frequency receiver 11 Start control module 12 CJB (central junction box) 13 Instrument cluster 14 Megafuse (250 amp)
System Operation

The passive start function prevents the vehicle from being started by unauthorized persons. It does this by immobilizing the
ignition, fuel and engine crank functions. The system is automatic and requires no input from the driver.

At the request of the CJB, the keyless vehicle module prompts each of the Low Frequency (LF) antennae to output a signal. When the Smart Key is in the vehicle cabin, it detects the LF signals and responds with a Radio Frequency (RF)
data-identification signal back to the keyless vehicle module via the RF receiver.

If the data received matches that stored in the keyless vehicle module it continues the passive start process by
communicating a 'Smart Key valid’ signal to the CJB via the medium speed CAN (controller area network) bus.

Once the CJB receives the authorization and confirms a response with an internal calculation, it passes the result to the
instrument cluster on the medium speed CAN bus.
Before the instrument cluster sends a mobilization signal to the ECMit will exchange encrypted data with: The electric steering lock mechanism to authorize unlocking the steering column.
The RJB to authorize fuel pump operation. Once the RJB receives the authorization and confirms the response with an internal calculation, it will enable the FPDM (fuel pump driver module).
The CJB to authorize the ignition status. If the drive selector is in the park position and the driver presses the brake
pedal and simultaneously presses the start/stop switch, the CJB interprets this as an engine crank request. Before the
engine crank request is allowed, the CJB compares a brake pressure signal received from the ABS module. The brake pressure signal is compared to an internally stored threshold value within the CJB. If the signal is greater than the
stored threshold value, a crank request signal is sent to the ECM on the high speed CAN bus.

Once these factors have been confirmed, and the vehicle is in 'Park', the engine can be started by pressing the brake pedal and
the Stop/Start button simultaneously.
NOTES:


If the keyless vehicle module fails to locate the Smart Key, the message 'SMART KEY NOT FOUND PLEASE INSERT IN
SLOT' will appear in the instrument cluster message center. When inserted the start control module will read the transponder
within the Smart Key. If the transponder identification is valid, authorization will be transmitted to the instrument cluster on
the LIN (local interconnect network) bus.


When the vehicle is delivered from the factory the passive start function is inhibited. In this condition the vehicle can
only be started by placing the Smart Key in the start control module. The system should be switched on during the Pre-Delivery
Inspection (PDI) using the Jaguar approved diagnostic system. For additional information, refer to the PDI Manual.

To ensure optimum long term reliability of the smart key the battery must be replaced with a brand new, unused battery. If a
used battery is installed the "SMART KEY BATTERY LOW" message may not be cleared. To avoid contamination of the contacts
the battery should be removed from its packaging and installed into the smart key while wearing gloves. To confirm that the
replacement battery is working correctly press the unlock button twice while holding the smart key outside the vehicle, then
enter the vehicle with the smart key, press the start button and confirm that the "SMART KEY BATTERY LOW" message is not
displayed.



Start Control Module Component Description

The start control module is used if the keyless vehicle module is unable to authorise the Smart Key.

If the keyless vehicle module is unable to identify the Smart Key, for example if the Smart Key battery voltage is low or there
is local RF interference, the transponder within the Smart Key can be read in the conventional manner. The driver will be
alerted to this by a chime and a message in the instrument cluster message center 'SMART KEY NOT FOUND PLEASE INSERT IN
SLOT'.

Once inserted the start control module will read the transponder within the Smart Key. If the transponder identification is
valid, authorization will be transmitted to the instrument cluster on the LIN bus.


NOTE: Inserting the Smart Key into the start control module will not charge the Smart Key battery. The battery is
non-chargeable and must be replaced if defective.

Check the Starter Relay circuit.


NOTE: On petrol engine variants, due to Smart Start, both sides of Relay Coil are switched directly from ECM (If
conditions correct). On diesel engine variants the low side only is switched directly from the ECM.
Check that the Steering Column Lock correctly operates and the steering wheel can turn freely.

Check that the High Speed CAN network is not malfunctioning, i.e. the CAN circuit is open or short circuit. This would mean
that the instrument cluster and ECM would be unable to communicate resulting in no Challenge being performed to enable the
ECM. This would be supported by LED Flash Code 24, see PATS Fault Code Table.

Also check the CAN network between the ABS module and the CJB. The CJB uses the CAN_BrakePressureTMC signal to
determine if the brake pedal has been pressed in order to allow an engine crank. The CJB uses a value of 0x05, if the CJB sees
a value less than this, it will not enable the Crank Request Output.
Engine cranks but will not start

If the Engine is cranking it means that the ECM has passed the authorisation required with the Instrument Cluster. If this
authorisation failed, the ECM would not engage the starter relay. This could be confirmed by verifying the PATS LED prove out
(illuminated solid for 3 seconds) or by reading DTCs from the instrument cluster and ECM.

In this case, the fuel pump circuit should be verified. The Fuel Pump Delivery Module (FPDM), which is supplied via the RJB
(authentication required with the instrument cluster) and controlled by the ECM, supplies the fuel pump.
In all cases of suspected non-start issues, the most logical failure modes should be eliminated first. i.e.

1. Check all relevant supplies and grounds to the relevant modules listed herein.
2. Note any unusual behaviour from other systems/functionality.
3. Note any functions that are not operating as expected.
PATS Fault Codes

For the various PATS modes/faults listed in the table , the instrument cluster will store a DTC and indicate this to the customer
during the detection period defined in the 'when logged' column, by illuminating the indicator as described for 60 seconds and
then flashing the LED 10 times as appropriate. The indication will stop immediately the ignition status is set to OFF any time
during the fault indication sequence. Up to 4 DTCs could be stored per key read sequence (1-10 read attempts). No DTCs will be
stored until all retry attempts are complete. Only the highest priority fault code will be flashed.

To determine the fault code from the LED: The LED will flash initially ten times with 1.5 seconds between. The LED will remain
OFF for 2.5 seconds then flash a number of times with 0.5 seconds between (the number of times the LED flashes represents
the first digit of the code), the LED will remain OFF for 1.5 seconds then flash a number of times with 1.5 seconds between
(the number of times the LED flashes represents the second digit of the code).

The PATS LED will be commanded on as shown under 'indication'. Normal PATS operations are complete within 400ms of the
ignition switch transition from OFF to ON or START, worst case for ECM communication problems will be less than 2 seconds. If
PATS is not complete during the 2 seconds the ECM will terminate PATS and await the next ignition ON or START event. PATS
faults will be indicated via the LED as soon as possible and will terminate the LED prove out. At ignition OFF all previous
flashing will cease and the perimeter anti-theft system will control the LED when the vehicle is locked and armed.

PATS Fault Code Table


Mode of Operation/Fault

When Logged
Ignition
Status

DTC LED
Fault
Code

Indication Prove out N/A Transition
from OFF to
ON N/A N/A
3 Seconds of steady
illumination Perimeter Anti-theft Control N/A OFF -
Vehicle
locked and
armed N/A N/A
Off or 0.5Hz flashing
at 5% duty cycle ±
20% until Off Start Control Unit already programmed Key Insert Any B1B0105 N/A No Indication Start Control Unit status = invalid response Key Insert Any B1B0167 N/A No Indication Start Control Unit programming error Key Insert Any B1B0151 N/A No Indication Start Control Unit challenge response error Key Insert OFF B1B0162 N/A No Indication Key Programming timer expired or Key Auth Timer expired Key Insert Any B1B0187 N/A No Indication Transponder challenge response error Key Insert Any B1B0164 N/A No Indication Transponder keys stored below minimum number required B&A/Dealer Any B1B0100 N/A No Indication Transponder not programmed B&A/Dealer Any B1B0155 N/A No Indication If the instrument cluster sends a 'theft' key status
to the ECM or the ECM returns a status message
containing the data 'Disabled/Theft', the instrument
cluster will set this DTC EMS CAN
communication OFF to ON B1B3364 16
60 seconds of 4Hz
flashing at 50% duty
cycle followed by fault
code 16 flashing 10
times

Instrument cluster
High speed CAN
(controller area network) bus Receives data from other vehicle systems to provide
information to the driver. Also functions as the gateway for the bus systems. Instrument panel. Steering column
High speed CAN bus Controls the locking and unlocking of the steering
column. Upper steering column. Diagnostic socket
High speed CAN bus Allows the transfer of vehicle information using a
Jaguar approved diagnostic system or other diagnostic tool. In the lower instrument panel
on the driver's side, adjacent
to the start control module. RCM (restraints control module) High speed CAN bus Controls the deployment of the supplementary
restraint components. At rear of floor console. TCM (transmission
control module) High speed CAN bus Controls automatic transmission operation.
Inside the transmission and
accessible via the fluid pan. ECM (engine control
module) High speed CAN bus Controls engine management and fuel system
operation. Rear of the engine
compartment on the
bulkhead. ABS (anti-lock brake
system) High speed CAN bus Controls all aspects of the braking system
Rear of the engine
compartment on the
bulkhead. Headlamp leveling
module High speed CAN bus Controls the static dynamic headlamp leveling
function. In the lower instrument panel, behind the glovebox. Occupant classification
system control module (NAS only) High speed CAN bus Detects when a passenger is in the front passenger
seat and can determine their size and weight. Below the front passenger
seat. Adaptive damping
control module High speed CAN bus Controls the adjustment of the dampers.
Below the front passenger
seat. Electronic Parking Brake
(EPB) module High speed CAN bus Controls the application and release of the electronic
parking brake. In the luggage compartment,
above the RH (right-hand)
wheel arch. Pedestrian protection
module High speed CAN bus Controls and monitors the pedestrian protection system. LH (left-hand) 'A' pillar. Adaptive speed control
module High speed CAN bus Controls the vehicle's road speed in relation to other
vehicles when in speed control mode. Behind the instrument panel
on the driver's side. Electronic transmission
selector High speed CAN bus Allows the driver to electronically select the required
automatic transmission mode. Transmits driver
selections to the TCM. In the floor console. Jaguar Drive control
module High speed CAN bus Controls the Jaguar Drive function and communicates
with other system modules. Integral with the electronic
transmission selector
software in the floor console. CJB
Medium speed CAN bus Controls body functions and power distribution. On RH 'A' pillar. Diagnostic socket
Medium speed CAN bus Allows the transfer of vehicle information using a
Jaguar approved diagnostic system or other diagnostic tool. In the lower instrument panel
on the driver's side, adjacent
to the start control module. Passenger door module
Medium speed CAN bus Controls window and locking functions. In the front passenger door. Parking aid module
Medium speed CAN bus Controls the parking aid system.
In the LH side of the luggage compartment, adjacent to
the keyless vehicle module. www.JagDocs.com