2010 JAGUAR XFR Actuator

Published: 18-Mar-2014
Handles, Locks, Latches and Entry Systems - Locks, Latches and Entry Systems
Diagnosis and Testing

Principle of Operation

For a detailed description of the locks, latches and entry systems and operation, refer to the relevant Description and
Operation section of the workshop manual. REFER to: Handles, Locks, Latches and Entry Systems (501-14, Description and
Operation).

Inspection and Verification


CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not
guarantee confirmation of a fault and may also cause additional faults in the vehicle being checked and/or the donor vehicle


NOTE: Check and rectify basic faults before beginning diagnostic routines involving pinpoint tests

1. Verify the customer concern, to be sure the correct issue is investigated
2. Visually inspect for obvious signs of damage and system integrity

Visual Inspection
Mechanical Electrical
Incorrectly aligned door(s), hood or tailgate
Fuel filler door lock actuator
Hood release handle
Hood release cables
Hood latch(es)
Exterior door handle(s)
Interior door handle(s)
Cable(s)
Tailgate release switch
Rear window release switch
Fuses
Wiring harness
Wiring connector(s)
Door lock actuator(s)
Remote transmitter (key-fob or smart key)
Central locking switches
Controller Area Network (CAN) circuits
Radio frequency (RF) receiver
Central junction box (CJB)
Loose or corroded connections
3. If an obvious cause for an observed or reported concern is found, correct the cause (if possible) before proceeding to
the next step

4. If the cause is not visually evident verify the symptom and refer to the Symptom Chart, alternatively check for
Diagnostic Trouble Codes (DTCs) and refer to the DTC Index
Symptom Chart


NOTE: Complete the diagnostic steps below to confirm any concern prior to replacing any component

Symptom Possible Causes Action The message center indicates that the
hood, the luggage compartment is
open when it appears to be closed
Incorrect striker
alignment/adjustment
Ajar switch circuit short circuit to
ground
Ajar switch failure
Check/adjust the strikers as
necessary
Check for DTCs indicating an ajar
switch fault. Refer to the DTC index Vehicle indicates a miss-lock when the
hood, luggage compartment appear to
be closed Fuel flap does not lock/unlock
Fuel flap cable detached from body
Fuel flap actuator detached from
mounting bracket
Fuel flap actuator disconnected
Fuel flap actuator failure
Check the condition and installation
of the fuel flap cable
Check the security of the fuel flap
actuator and bracket
Check the security of the actuator
electrical connector
Check for DTCs indicating a fuel flap
actuator fault. Refer to the DTC
index Door(s) will not unlatch/open when
using outside door handle
Exterior door handle
condition/installation
Exterior release cable disconnected
from exterior door handle or door
latch
Check the exterior door handle
condition and installation
Check the condition and security of
the exterior release cable
Single door will not open from the

Published: 11-May-2011
Handles, Locks, Latches and Entry Systems - Luggage Compartment Lid Latch
Actuator
Removal and Installation

Removal


NOTE: Removal steps in this procedure may contain installation details.

1. Refer to: Luggage Compartment Lid Lock Cylinder (501-14 Handles, Locks, Latches and Entry Systems, Removal and Installation).




Installation

2. Torque: 20 Nm
1. To install, reverse the removal procedure.

1 RH (right-hand) hood actuator 2 Pedestrian protection system control module 3 LH (left-hand) hood actuator 4 LH accelerometer 5 RH accelerometer

Published: 11-May-2011
Pedestrian Protection System - Pedestrian Protection System - Overview
Description and Operation

OVERVIEW


WARNING: All pyrotechnic devices are dangerous. Before performing any procedures on any pyrotechnic device, read all
information contained within the Standard Workshop Practices section of this manual.
Refer to: Standard Workshop Practices (100-00 General Information, Description and Operation).
The pedestrian protection system is designed to mitigate injuries in a pedestrian collision with the vehicle. It does this by
utilizing a pair of pyrotechnic actuators to lift the hood away from the engine, creating a cushioned impact between the
pedestrian and the vehicle.
The pedestrian protection system also includes passive protection integrated into the bumper system and bonnet structure.


WARNING: Do not fit any non-Jaguar approved accessories to the vehicle.


NOTE: The pedestrian protection system operates independently from the SRS (supplemental restraint system).

Published: 11-May-2011
Pedestrian Protection System - Pedestrian Protection System - System
Operation and Component Description
Description and Operation

Control Diagram

NOTE: A = Hardwired; D = High speed CAN (controller area network) bus; N = Medium speed CAN bus


Item Description 1 Battery 2 CJB (central junction box) 3 Instrument cluster 4 LH (left-hand) hood actuator 5 RH (right-hand) hood actuator 6 Pedestrian protection system control module

7 RH accelerometer 8 LH accelerometer 9 RJB (rear junction box) 10 BJB (battery junction box)
System Operation
The pedestrian protection system is operational when the vehicle is traveling at speeds between approximately 20 km/h (12.4
mph) and 45 km/h (28 mph). A vehicle speed signal is received by the pedestrian protection system control module over the
high speed CAN bus.
The system is able to determine if contact is made with a pedestrian or another object, such as a traffic cone, using signals
from accelerometers mounted behind the front bumper. When the system determines contact is made with a pedestrian it fires
the actuators to lift the rear of the hood approximately 130 mm within 35 ms of the 'fire' signal.

When an impact condition is registered, the pedestrian protection system control module outputs an impact signal on the high
speed CAN bus. This signal is used by the RJB to initiate the hazard warning lamps. If this occurs, the hazard warning lamp switch is disabled for the remainder of the current ignition cycle.

If the pedestrian protection system control module detects a fault with the system, it outputs a message on the high speed
CAN bus to the instrument cluster message center. On receipt of this, the message center will display the message 'CHECK PEDESTRIAN SYSTEM'.

The pedestrian protection system control module also stores the VIN (vehicle identification number). If a new control module
is fitted to the vehicle the Jaguar approved diagnostic tool must be used to program the unit with the vehicles VIN.
When the vehicle is delivered from the factory the pedestrian protection system is in a 'safe' plant mode. Normal operating
mode should be activated using the Jaguar approved diagnostic tool during the Pre-Delivery Inspection (PDI) prior to delivery
to the customer. For additional information, refer to the PDI manual.

If any damage is caused to the front of the vehicle, be it cosmetic or structural, repairs must be carried out in line with the
processes contained in the workshop manual. Failure to carry out the correct repair process could compromise operation of the
pedestrian protection system. Refer to GTR for the latest information.

The vehicle must be left for 1 minute after disconnecting the battery before any work can be carried out on the pedestrian
protection system.

Failure Mode Detection

In service, if any fault is detected, or any part of the system is recognized as not being present, the message center displays
the warning 'Check Pedestrian System'.

The bonnet deployment actuators are non-serviceable components, and if they must be replaced due to a fault, or due to
having been deployed, or following any other accident, their barcode labels must be read and recorded in the service database
against the vehicle VIN for security purposes.

After deployment of the pedestrian protection system, the vehicle must be stopped as soon as it is safe to do so. The hazard
warning lamps will be activated and can only be switched off by pressing the engine START/STOP button to turn the engine off
and on again. A warning message 'CHECK PEDESTRIAN SYSTEM' will appear on the message center and the vehicle should be
transported to the nearest dealer/authorised repairer. The vehicle must not be driven when the bonnet has been deployed.


NOTE: If the warning message 'CHECK PEDESTRIAN SYSTEM' appears in the message center when the bonnet has not
been deployed, the vehicle should be taken to the nearest dealer/authorised repairer immediately. It can be driven.

If any significant damage occurs to the front bumper it should be inspected by a dealer/authorised repairer as soon as
possible.



CONTROL MODULE Component Description

The control module is mounted below the hood release lever behind the side trim in the left hand front footwell.

The deployment signal is received from the pedestrian protection system control module. The second-generation system
adopted for XF is all-new to Jaguar and, although similar, differs from that introduced on XK by having an accelerometer-based
sensing system rather than a contact-sensing system. The accelerometer-based system is supplied by Bosch. Mounted very
close to the skin of the bumper, it examines the characteristics of vibration waves caused by impact. Its response time is
quicker, because it does not rely on the front of the bumper being loaded. It uses the 'saved' time to make more complex
decisions, and so has fewer error states. The speed of vehicle and the length of the bonnet define the time available to get
the bonnet into its deployed and stabilized position. It is possible, therefore, to create a time-line counting back from the
predicted moment of head impact to the time when the deployment signals need to be sent. That in turn defines a time from
first contact to decision time.
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HOOD ACTUATORS

NOTE: A = Non-deployed hinge; B = Deployed hinge



Item Description 1 Firing pin 2 Stabilizing link 3 Engine compartment lid leaf 4 Intermediate leaf 5 Body leaf The hinge system incorporates a number of leaves. This includes a leaf attached to the body, an intermediate leaf and a leaf
attached to the hood. During normal operation the hinge opens and closes using the hood and intermediate leaves. These are
attached together by a firing pin. When the actuators are fired the firing pins fail. This allows the hood and intermediate
leaves to separate and deploy the hood upwards. When the hood deploys the hood latches act as temporary hinges.


NOTE: The hinges deform during the deployment process and will need to be replaced.