2010 JAGUAR XFR steering wheel

6. NOTE: Do not disassemble further if the component is
removed for access only.
Remove the upshift and downshift paddle switches.
Remove the Torx bolt.
Release the assembly.
Disconnect the electrical connector.
Repeat the procedure and remove the opposite
hand.









7. NOTE: The steering wheel is shown removed for
clarity.

Release the steering wheel switch assembly.
Remove the Torx bolt.
Repeat the procedure and remove the opposite
hand.










8. Remove the air bag housing.
Remove the 4 Torx bolts.
Release the electrical harness.















9. Remove the air bag ground cable.
Remove the Torx screw.

Installation

1. Install the air bag ground cable.
Install the Torx screw.
















2. Install the air bag housing.
Secure the electrical harness.
Tighten to 6 Nm.















3. Secure the steering wheel switch assembly.
Connect and secure the electrical connectors.
Tighten to 3 Nm.
Repeat the above procedure on the opposite hand.

4. Install the upshift and downshift paddle switches.
Connect and secure the electrical connector.
Tighten to 3 Nm.
Repeat the above procedure on the opposite hand.















5. CAUTION: Make sure that the arrow on the cassette is
centered and pointing vertically prior to the steering wheel
installation. On removal of the special tool keep the
clockspring cables taught to prevent the cassette moving
from the set position. Do not allow the clockspring to
unwind. Failure to follow this instruction may result in
damage to the component.

Remove the special tool.









6. CAUTION: Check the alignment arrow is still in the
vertical position with the wheels straight ahead to make
sure that the directional indicator cancellation is central.

Install the steering wheel.
Check the clockspring is aligned.
Position the electrical harness.
Connect the electrical connector.
Tighten to 60 Nm.







7. Install the driver air bag module.
For additional information, refer to: Driver Air Bag Module (501-20B Supplemental Restraint System, Removal and Installation).

8. Connect the battery ground cable.
For additional information, refer to: Battery Disconnect and Connect (414-01 Battery, Mounting and Cables, General Procedures).

Published: 11-May-2011
Steering Column Switches - Steering Column Switches - Overview
Description and Operation

OVERVIEW

The steering column multifunction switch is situated on the steering column and consists of the wiper switch, the turn signal
indicator/lighting switch and the trip computer switch.
The RH (right-hand) multifunction switch controls the following windshield wiper functions:
Flick wipe
Intermittent wipe
Slow speed wipe
High speed wipe
Wash/Wipe
Headlamp powerwash
Rain sensing / variable wipe selection.
The LH (left-hand) multifunction switch controls the following functions:
Turn signal indicators
Side lamps
Headlamps
Auto lamps
High/low beam
Headlamp flash
Headlamp timer
Trip computer.

The steering column adjustment switch is located in the steering column lower shroud on the LH side. The switch is a 4 position 'joystick' which controls reach and rake adjustment.

The trip button allows the driver to cycle though an option menu and also reset trip cycle mileage calculations. The trip
computer information is displayed in the instrument cluster message centre.

Steering wheel mounted switches on the LH side of the driver's airbag, control the audio and telephone functions. Switches on the RH side of the driver's airbag, control the speed control functions. The steering wheel has an internal heating element. This is controlled by the driver via the Touch Screen Display (TSD). www.JagDocs.com

Published: 11-May-2011
Steering Column Switches - Steering Column Switches - System Operation
and Component Description
Description and Operation

Control Diagram

NOTE: A = Hardwired; N = Medium speed CAN bus; P = Fibre Optic MOST ring



Item Description 1 Battery 2 BJB (battery junction box) 3 CJB (central junction box) 4 Heated steering wheel slip rings 5 Heated steering wheel control module 6 Steering wheel heater element

path is completed and a signal voltage is returned to the instrument cluster via a resistor. The returned reference voltage is
detected by the instrument cluster and performs the requested trip function.

RIGHT HAND MULTIFUNCTION SWITCH
The instrument cluster outputs 4 separate reference voltages to the following switch functions:
Wash/wipe switch
Intermittent wipe switch
Master wiper switch
Flick wipe switch.
Wash/Wipe Switch

The reference voltage is supplied to one of two resistors connected in parallel. When the switch is not being operated the
current flows through one resistor and the returned signal voltage is monitored by the instrument cluster. When the wash/wipe
switch is operated, a connection is made and the current flows through the second resistor. The change in signal voltage is
detected by the instrument cluster which outputs a message on the medium speed CAN bus to the CJB to activate the wash/wipe function.
Intermittent Delay/Auto Wipe Switch

The reference voltage is supplied to the switch and can pass through up to 7 resistors, connected in series, for intermittent
delay selections and the auto wipe function.

When the rotary switch is in the auto position the reference voltage flows through 1 resistor. The returned signal voltage is
detected by the instrument cluster which determines auto wipe is selected. The instrument cluster outputs a message on the
medium speed CAN bus to the CJB to activate the auto wipe function.
With the rotary switch in one of the intermittent positions, the reference voltage is routed through up to 7 of the resistors
depending on the delay period selected. The returned signal voltage is detected by the instrument cluster which determines
selected delay period. The instrument cluster outputs a message on the medium speed CAN bus to the CJB to activate the selected intermittent wipe function.


NOTE: The delay period for the intermittent selections can vary according to vehicle speed.

Master Wiper Switch

The reference voltage supplied from the instrument cluster to the master wiper switch. The voltage can pass through up to 4
resistors connected in series.

When the switch is in the off position, the reference voltage passes through 4 resistors and the returned voltage is monitored
by the instrument cluster. The instrument cluster outputs a message on the medium speed CAN bus to the CJB that no wiper selections have been requested.

With the switch in the intermittent, slow wipe or fast wipe position, the reference voltage passes through 3, 2 or 1 resistors
respectively. The returned signal voltage is detected by the instrument cluster which determines selected delay period. The
instrument cluster outputs a message on the medium speed CAN bus to the CJB to activate the selected wipe function. Flick Wipe Switch

The reference voltage is supplied to one of two resistors connected in parallel. When the switch is not being operated the
current flows through one resistor and the returned signal voltage is monitored by the instrument cluster. When the flick wipe
switch is operated, a connection is made and the current flows through the second resistor. The change in signal voltage is
detected by the instrument cluster which outputs a message on the medium speed CAN bus to the CJB to activate the flick wipe function.

STEERING COLUMN ADJUSTMENT SWITCH

The instrument cluster supplies 2 reference voltages to the column adjustment switch.

The first reference voltage is supplied to the joystick switch. When the switch is moved to one of its 4 positions, the switch
contact is completed and the reference voltage is passed through one of 4 different resistors with different values. The
returned signal voltage is measured by the instrument cluster which determines the selected column adjust request. The
instrument cluster outputs a supply to the steering column adjustment motor and energizes the applicable clutch solenoid to
move the column to the desired position.

The second reference voltage is supplied to the auto/manual selection of the switch. When the switch is in the auto position,
the reference voltage passes directly through the switch contacts and is measured by the instrument cluster. The instrument
cluster outputs a message on the medium speed CAN bus to the driver seat module which responds with the recorded memory position setting. The instrument cluster then activates the column adjustment motor and clutch solenoids to move the column
to the memorized position. When the switch is in the manual position the reference circuit is broken. The instrument cluster
detects the broken circuit and allows manual operation of the column adjustment switch to move the column.

HEATED STEERING WHEEL

The heated steering wheel receives a battery power supply via the CJB. The heated steering wheel is controlled by the driver using a selection on the TSD. When the driver selects the heated steering wheel to be active, the request is passed from the
TSD on the MOST ring to the information and entertainment module. The information and entertainment module converts the

battery power supply to be passed via the slip ring assembly in the steering wheel to the heated steering wheel control
module. The steering wheel module supplies power to the steering wheel heater element and also monitors the temperature
via a NTC (negative temperature coefficient) temperature sensor incorporated into the heater element. The control module
varies the power supply to the element to maintain the steering wheel rim at the optimum temperature.

Component Description STEERING COLUMN MULTIFUNCTION SWITCHES
The steering column multifunction switches are situated on the steering column and consists of the wiper switch, the turn
signal indicator/lighting switch and the trip computer switch.

The steering column adjustment switch is located in the steering column lower shroud on the LH side. The switch is a 4 position 'joystick' which controls reach and rake adjustment.

Steering wheel mounted switches on the LH side of the driver's airbag, control the audio and telephone functions. Switches on the RH side of the driver's airbag, control the speed control functions. For additional information, refer to:
Audio System (415-01A Information and Entertainment System, Description and Operation), Speed Control (310-03A, Description and Operation),
Speed Control (310-03B, Description and Operation),
Speed Control (310-03C, Description and Operation).

Two transmission paddle switches are located at the rear of the steering wheel.
Refer to: External Controls (307-05, Description and Operation).
LH Multifunction Switch



Item Description 1 High beam 2 Lighting control rotary switch 3 RH turn signal indicator 4 Headlamp flash 5 LH turn signal indicator 6 Trip computer function button The LH multifunction switch controls the following windshield wiper functions:

automatically reset once the applicable remote handset has been detected by the vehicle security systems.

STEERING WHEEL HEATER

On certain models the rim of the steering wheel contains a heater element. Operation of the heater is selected using the
Touch Screen Display (TSD).

The heater temperature is controlled by a heated steering wheel control module located within the steering wheel. Power for
the heater element is supplied to the steering wheel via 2 contacts on the clockspring and a slip ring mounted on the steering
wheel.