Seating (01.10)
Body System (01.00)1-7-4 Workshop Manual Issue 4, November 2008
Removal
1. Remove 6 way height adjust er (see Workshop Manual
procedure 01.10.AE 6 Way Height Adjuster - Including
Motors - Renew).
2. Remove screws (x3) heater and lumbar switch assembly
(see Figure 1).
3. Release switch assembly and disconnect multiplug
4. Release cover from cushion frame assembly (see Figure 2). 5. Pull seat cushion cover from between squab and
cushion frames and remove cover (see Figure 3).
Installation
1. Connect multiplugs (x2) heater and lumber switch assembly.
2. Install switch assembly to seat
3. Ease cover over cushion foam attach to velcro.
4. Push cushion flap between cushion and squab and secure to cushion frame assembly.
5. Secure cushion cover to sides and front edge of seat cushion frame assembly.
6. Install 6 way height adjust er (see Workshop Manual
procedure 01.10.AE 6 Way He ight Adjuster - Including
Motors - Renew).
6-Way Height Adjuster (Inc. Motors) -
Renew
Removal
1. Power seat fully forward.
2. Remove bolts (x2) securing rear of seat to seat rails.
3. Power seat fully rearwards.
4. Remove bolts (x2) securing front of seat to seat rails.
5. Battery isolation switch ‘OFF’.
6. Remove bolt securing seat belt to seat frame.
7. Tip the seat forwards and disconnect multiplugs (x4).
8. With assistance, remove seat assembly.
9. Remove screw (x1) relay to seat cushion base.
Figure 1
Figure 2
A0110287
A0110288
Figure 3
Repair Operation Time (ROT)
ItemCode
6-Way Height Adjuster-Renew 01.10.AE
A0110290
Seating (01.10)
Body System (01.00)1-7-6 Workshop Manual Issue 4, November 2008
16. Slide 6 way height adjuster to release and remove adjuster from seat assembly (see Figure 5).
Installation
1. Install relay to seat cushion base.
2. Connect multiplugs (x3) and secure to 6 way adjuster frame.
3. Secure seat belt buckle harness (cable ties x4) to 6 way seat adjuster frame assembly.
4. Install a new bolt that attaches the seat belt buckle.
5. Position 6 way height adju ster to seat cushion frame
assembly and install screws (x4).
6. With assistance, install seat in the vehicle.
7. Position seat belt to seat frame, install and torque tighten bolt.
8. Tip seat forwards and connect multiplugs (x4).
9. Position seat onto seat rails.
10. Battery isolation switch ‘ON’.
11. Install front bolts (x2), Power seat forward and install rear bolts (x2). Torque tighten bolts (x 4).
Squab Motor Kit - Renew
Removal
1. Remove squab cover (see Workshop Manual procedure 01.10.AC Cover Assembly - Front Seat Squab - Each -
Renew). 2. Disconnect heater multiplug and remove squab foam
(see Figure 1).
3. Release top mountings of lumbar adjust frame and move to access squab motor (see Figure 2).
Figure 5
Repair Operation Time (ROT)
A0110292
Figure 1
Figure 2
A0110293
A0110282
Convertible Roof (01.17)
Body System (01.00)
May 2007 Workshop Manual 1-12-1
Body System (01.00)
Convertible Roof and Roof Opening Subsystem (01.17)
System Description
The convertible roof system comprises of an electrically dr iven hydraulic pump and six hydraulic rams. Four rams raise
and lower the roof and two raise and lower the tonneau cover. The pump is powered via either the 'Hydraulic Pump Fluid
In' or 'Hydraulic Pump Fluid Out' relay and is instructed vi a the Convertible Roof Module (CRM). The CRM is activated by
the Console mounted Roof Switch. A further module controls the position and drive command for the Tonneau Latches.
The roof hydraulic pump is protected by a 30A fuse. During Roof Operation the door glass and boot release commands
are also controlled by the CRM.
Anti-lock Braking System (ABS) (06.09)
Brake system (06.00)
6-9-2 Workshop Manual Issue 4, November 2008
difference between the ideal and actual response within a
tolerance band. This directly influences the forces on the
tires to generate a corrective yaw moment to reduce the side
forces of the tires where appropriate
System Overview
The DSC system embraces capabilities far beyond that of
ABS, or ABS and traction control combined, while relying on
the components of these systems. It also incorporates these
additional sensors for measur ing the vehicle’s motion and
brake system pressure:
Ya w r a t e s e n s o r - located centrally on the transmission
tunnel.
Lateral acceleration sensor - integrated with the yaw rate
sensor.
Steering angle sensor - located on the upper steering
column.
Pressure transducer - located on master cylinder.
The ABS / DSC module supports data exchange with other
vehicle electronic systems via the CAN network; the module
also enables diagnostic interrogation using WDS.
The following components register driver demand and the
ABS / DSC module processes their signals as a basis for
defining an ideal response:
PCM - position of accelerator pedal.
Brake master cylinder pressure transducer - driver’s
braking effort.
Steering angle sensor - position of steering wheel.
There are many supplementary parameters also included in
the processing calculations these include the coefficient of
friction and vehicle speed. The ABS / DSC module monitors
these factors based on signals transmitted by the sensors for:
• Wheel speed
• Lateral acceleration
• Brake pressure
• Yaw rate
Using these parameters, the function of the ABS / DSC
module is to determine the current vehicle status based on
the yaw-rate signal and the slip as estimated by the ABS /
DSC module. It then maintains the vehicle response within
a tolerance of the ‘normal’ behaviour, which is easily
controlled by the driver.
In order to generate the desired yaw behaviour the ABS /
DSC module controls the selected wheels using the ABS
hydraulic system and engine control system. In the event of
engine intervention, the ABS / DSC module calculates the
torque which should be supplied by the engine to the
wheels, and relays this request signal to the PCM which
implements the torque request.
The PCM receives signals from the DSC system via the CAN
bus and reduces engine torque as follows:
• The throttle is positioned to provide the requested engine target torque. • During the transient phase of torque reduction caused by
mechanical and combustion delays, other alternative
torque reduction methods are used to provide a quicker
response.
• The ignition is retarded and / or the fuel is cut-off at the injectors at selected cylinders.
• Ignition and fuelling are reinstated when the engine torque reaches the requested value
Operation Summary
• DSC is switched ‘ON’ when the engine is started
• When the system is operating , the DSC light in the instrument cluster will flash, at the rate of twice a second
• DSC can be switched ‘OFF / ON’ by pressing the DSC switch
• The DSC light in the instru ment cluster will illuminate
continuously when the system is switched ‘Off’.
• ‘DSC OFF’ will be displayed in the message centre right to indicate the system has been switched ‘OFF’
• A malfunction in the traction control system will be indicated to the driver by the following:
• The DSC light in the instru ment cluster will illuminate
continuously
• The message ‘DSC NOT AVAILABLE’ will be displayed in the message centre right
• If vehicle speed control is engaged it will automatically disengage when traction control is operating .
Traction Control
Traction control is a function of DSC, and is operated in
association with DSC. Traction control prevents excessive
wheel-spin at standing starts, or during acceleration. Wheel-
spin is usually caused by ex cessive use of the accelerator
pedal, or slippery, loose or bumpy road surfaces. To prevent
excessive wheel-spin and mainta in vehicle stability such
situations are overcome by the intervention of the traction
control system by:
• Braking the driven-wheel when it starts to slip
• And / or adapting the engine torque to a level corresponding to the traction available on the road
surface.
Functional Description
Traction control uses the ABS electronic and mechanical /
hydraulic hardware with additional valves to control the
braking pressure at the calipe rs. An engine interface also
enables the engine to respond to torque reduction requests
from the traction control. As with ABS, the signals from the
wheel-speed sensors are supplied to the ABS module, where
they are used to calculate the wheel-slip of the individual
wheels. Traction control intervention is initiated if the slip at
one of the wheels is excessive.
Anti-lock Braking System (ABS) (06.09)
Brake system (06.00)
Issue 4, November 2008 Workshop Manual 6-9-3
Engine Intervention
In the event of wheel-slip the ABS / DSC module calculates
the torque, which should be applied by the engine to reduce
the wheel-slip (this torque does not exceed driver demand).
Engine torque reduction is then requested from the PCM via
the CAN bus. The PCM, in response to these signals, reduces
engine torque by controlling the ignition and fuelling. A
traction control gearshift pattern is automatically selected
within the automatic transmission software whenever
traction control is active.
Brake Intervention
This function operates by increasing the pressure in the
brake caliper of the slipping wheel, by closing the separation
valve and the inlet valve of the non-slipping wheel and
running the modulator pump. This takes fluid from the fluid
reservoir via the non-actuated master cylinder and
pressurizes the brake caliper. The pressure is modulated at
the caliper via the inlet and outlet valves to achieve the
desired wheel-slip target to maximize traction.
ABS / DSC Circuit
Specifications
SR,05UR,05YR,0.5NR,0.5
WR,05NR,05
YG,05WG,05
YU,05WU,05
W,05N,05
W,0.5U,0.5R,0.5
P,0.5Y,0.5
B,0.5WG,0.5GB,0.5
B,0.5BG,0.5
GW,0.5
P,0.5
U,0.5
U,3.0
BK,1.0BK,1.0
P,0.35P,0.35P,0.35 U,3.0
WG,05YG,05
WU,05
SR,05UR,05YR,0.5NR,0.5
WG,05YG,05
WU,05
WG,05YG,05
WU,05YU,05YU,05YU,05Module-ABS
OBD2-Body (B)
Earth-Module ABSEarth-Module ABS
C1184-18C2410-6
Sensor-Brake Pressure
Sensor-Brake Pedal Travel
Sensor-Rear ABS-LH
C0746-7C0746-6
C0746-5
Switch-Brake Boost
Sensor-Yawrate / Acceleration
C2411-6C2411-5C2411-4
C2411-3
C0144-7C0144-3
C0144-2
Sensor-Front ABS-LH
Sensor-Front ABS-RH
C2410-10C2410-9
C2410-8
Sensor-Rear ABS-RH
C0746-4C0144-1C2410-7
C0877-7
K-LINESPL50-KL/FA
C0362-1C0434-1
C2444-2
SIGC2444-1
GND
C2444-3
SENSP
C2446-2
GNDC2446-1
SENSPT
C2446-3
SIG
C0501-47
GNDC0501-16
GND
C0501-2K-LINE
C0501-24
GND
C0501-31
PWM
C0501-30
NC
C0501-25
CAN HS-
C0501-28
SIGC0501-27
NO
C0501-29
CAN HS+C0501-6
CLUST_SP
C0501-17
PWR
C0501-5
GND
C0501-32BATT FEED
C0501-7
SENSPT
C0501-3 SIG
C0501-20 SIGC0501-19
GND
C0501-18 SENSP
C0501-4IGN FEED
C0501-46
F/L/GNDC0501-45
F/L/SIG
C0501-42
R/R/GNDC0501-43
R/R/SIG
C0501-36
R/L/SIG
C0501-34
F/R/SIGC0501-33
F/R/GND
C0501-1
BATT FEEDC0501-37
R/L/GND
C2448-5
C2448-3
C2448-2C2448-1
C2448-4
C1656-3 CLUS_SPC1656-2
CAN HS+C1656-1 CAN HS-
C1656-5
GND
C0516-2-C0516-1+
C0517-2
-C0517-1+
C0502-1
+
C0503-2 -C0503-1+
C0502-2 -
Sensor
Steering Angle
Sheet 61
F4
30.0 AmpsRelay 1
Underbonnet Fusebox
DIODE 1
F28
10.0 Amps
F20
30.0 Amps
F19
30.0 Amps
Earth
Steering Angle
Sensor
C0576-1
C0577-4C2608-1 VBATT
C0573-2
C0571-3
C0573-3
C0578-8SPL5-VIGN/FOR
C1672-5
VPWRC1672-8
GND
011-6-003
Oils/Greases
Brake FluidCastrol Response Super Dot 4
Torque Figures
DescriptionNm.lb. / ft.
Modulator to Bracket 5 4
Modulator / Bracket to body 9 7
Brake hose unions 17 1413
10.5
17 Nm. 17 Nm.
17 Nm.
14 Nm.
14 Nm. 14 Nm.
Air Conditioning (A/C) System (12.03)
Climate Control (12.00)
12-3-2 Workshop Manual May 2007
Major Components
Compressor
• Engine mounted, driven by the accessory drive belt
• Variable displacement type
• High-pressure relief valve, to avoid system over-pressure
• ECU controlled clutch energised via a relay
Receiver drier
• Vertically mounted on the right-hand side of the engine bay
• The high-side charge port is installed to the high side entry pipe to the receiver drier
Condenser
• Multi-pass fin-over-tube type, mounted in front of the engine cooling pack and directly to the radiator
Trinary switch
Located in the compressor discharge pipe
• Provides a signal, via the A/C module, to the PCM, to disengage the compressor clutch should the refrigerant
pressure be less than 2 bar or greater than 30 bar
• Provides a hard-wired signal to the PCM, to switch the cooling fans to HIGH speed at 22 bar rising pressure and
to LOW speed at 17,5 bar falling pressure
• Provides a hard-wired signal to the PCM, to switch the radiator cooling fans to LOW speed at 12 bar rising
pressure and to switch the fans OFF at 8 bar falling
pressure
Expansion Valve
The expansion valve is located on the outside of the A/C unit
and comprises of a diaphragm, connected by a capillary
tube to a temperature sensing bulb, which regulates the
valve according to temperature variations at the evaporator
outlet pipe. This component is not serviceable.
A/C Unit
( [ S D Q V L R Q 9 D O Y H