1998 JAGUAR X308 throttle

                Removal and  Installation  
                     Fuel Injection  Supply  Manifo ld LH
 
(19.60.05)  
                     Fuel Injection  Supply  Manifold  RH  (19.60.04)  
                     Fuel Injection  Supply  Manifold  Pipe  (19.41.04)  
                     Fuel Injector  Vehicles  Without:  Supercharger  (18.10.01)  
                     Fuel Injector  Vehicles  With: Supercharger  (18.10.01) 
                     Fuel Injectors  Vehicles  With:  Supercharger  (18.10.02) 
                     Throttle Body  (19.70.04)  
                     Throttle Body  Gasket  (19.70.07)  
 
             303‐05:  Accessory  Drive  
                 Descriptio
n and  Operation  
                     Accessory Drive  
                 Removal and  Installation  
                     Accessory Drive  Belt (12.10.40)  ‐ 3.2L  NA  V8  ‐ AJ26/4.0L  NA  V8  ‐ AJ27  
                     Accessory Drive  Belt (12.10.40)  ‐ 4.0L  SC  V8 ‐ AJ26  
                     Accessory Drive  Belt Idler  Pulley  (12.10.43)  ‐ 3.2L  NA  V8  ‐ AJ26/4.0L  NA  V8  ‐ AJ27  
                     Accessory Drive  Belt  Idler  Pulle
y (12.10.43)  ‐ 4.0L  SC  V8 ‐ AJ26  
                     Accessory Drive  Belt Tensioner  (12.10.41)  ‐ 3.2L  NA  V8  ‐ AJ26/4.0L  NA  V8  ‐ AJ27  
                     Accessory Drive  Belt Tensioner  (12.10.41)  ‐ 4.0L  SC  V8 ‐ AJ26  
                     Supercharger  Belt  (18.50.08)  
                     Supercharger  Belt  Idler  Pulley  (18.50.09)  
                     Supercharger  Belt  Tensioner  (18.50.24)  
 
             303‐06:  Starting  System  
                 Description  and  Operati
on 
                     Starting System  
                 Diagnosis  and  Testing  
                     Starting System  
                 Inspection  and Verification  
                     Diagnostic Trouble  Code  (DTC)  Index  
                     Pinpoint Tests  
                 Removal and  Installation  
                     Starter Motor  (86.60.01)  
 
  

                    Superchar
ger
 Outlet  Pipe (18.50.16)  
                     Supercharger  Outlet  Pipe Gasket  (18.50.17)  
                     Throttle Body  Elbow  (19.70.28)  
                     Throttle Body  Elbow  Gasket  (19.70.29)  
 
             303‐13:  Evaporative  Emissions  
                 Diagnosis  and  Testing  
                     Evaporative  Emissions 
                                       
Preliminary
 Inspection
 
                     Diagnostic
 Drive  Cycles  
                     Diagnostic
 Trouble  Code  (DTC)  index/Symptom  Chart  
                     Pinpoint
 Tests  
                 Removal
 and  Installation  
                     Evaporative 
Emission Canister  (17.15.13)  
                     Evaporative 
Emission Canister  Purge  Valve (17.15.30)  
                     Fuel
 Tank  Press
ure Sensor  (19.55.31)  
                     Fuel
 Vapor  Vent  Valve  Housing  (19.55.24)  
                     Fuel
 Vapor  Vent  Valve  Housing  Seal  (19.55.25)  
 
             303
‐14:  Electronic  Engine  Controls  
                 Description
 and
 
                                      Diagnosis
 and  Testing  
                     Electronic
 Engine  Con
trols  
                     Inspection
 and  Verification  
                     Driver
 Information  Chart  
                     Default 
mode Definitions  
                     Diagnostic
 Trouble  Code  (DTC)  Index  
                     Pinpoint
 Tests  
                 Removal
 and  Installation  
                     Catalyst 
Monitor  Sensor LH  (18.30.81)  
                     Catalyst 
Monitor  Sensor RH  (18.30.80)  
                     Heated Oxygen  Sensor  (HO2S)  LH  (18.30.79)  
                    
Heated Oxygen  Sensor  (HO2S)  RH  (18.30.78)  
                    
                    
Camshaft  
Position  
Sen s
or
 
ECM  
Position  
Sensor  
Crankshaft
Removal
Engine  
Coolant Temperature
Sensor 
Operation
Intake  Air  Temperature  (IAT)  Sensor  (18.
30.52)  

General Information - Terminology Glossary

Description an
d Operation

This glossary of terms is intended to cover emissions-related (to SAE J 1930) term inology, and other abbreviations that may
be used in this manual.
The required term may be looked-up in th e left-hand column, and subsequent columns give the standard acronym, unit or
abbreviation, and definition.
Te rm
(s)
Acr
ony
m /
Unit /
Abbreviation
De fi
nition
A
Accel
e
rator Pedal
AP
Af
ter Botto
m Dead
Center
ABDCEvent occurri ng after
BDC
Af
ter Top Dead CenterATDCEvent occurri ng after
TDC
Ai
rbag /
Supplementary
Restraint System
Airbag, SRSAi rbag restraint system for
dr
iver and front seat passenger
Air Cleane rACL
Air ConditioningA/C
Air Conditioning Con t
rol
Module
A/CCMModule c
ontrolling air conditioning, heating and ventilation
Air Conditioning SignalACSA
i
r conditioning compressor clutch operation is signalled to the ECM which
induces idle speed corrections to co mpensate for engine load changes
Alternating cu
rrent
ac
Ai
r Fuel R
atio
AFRN
omi
nally 14.7 parts air to one part fuel
Ampe
reASI unit of current
Ampere hourAhA current of one ampere
fl
owing for one hour
Anti-Lock Braking SystemABSS
y
stem which prevents wheel lock-up
under braking by sensing lack of
rotation of a wheel(s) and divertin g fluid pressure away from it (them)
ABS Control Mo
dule
ABS CM
ABS /
T
raction Control
Control Module
ABS / T
C CM
Atmosph
e
re
atmU
n
it of pressure (1.01325 bar)
Au
to
matic Stability
Control
ASCA form of vehicle
control
in which the ECM reduces en gine torque to control
wheel-spin
B
Baro me
tric Absolute
Pressure Sensor
BAR OSensor measuring the pressure of surr ou
nding air at any given temperature
and altitude
Bat t
ery positive voltage
B+The posi
ti
ve voltage from a battery or
any circuit connected directly to it
Before Bottom Dead
CenterBBDCEvent occurri ng before BD
C
Before Top Dead

Center
BTD
CEvent (usual ly
ignition) occurring before TDC
Blowe
rBLRDe
vice which supplies a current of air at
moderate pressure, e.g. heater or
A/C blower
Body Processor M
odule
BPMControl modu
le
for body electrical systems, e.g. interior lamps, windshield
wash / wipe control
Bott om D
ead Center
BD
CLowest poin t of piston
travel in a reciprocating engine
Brake hors
epowe
r
bhpEffecti
ve horsepower devel
oped by an
engine or motor, as measured by a
brake applied to its output shaft
Brake Mean Effective
Pres sureBME PThat p
art of the effective
pressure developed in a cyli nder that would result in
a cylinder output equal to the bhp of the engine
Brake On/ O
ff
BOOIn
dic
ates the position of the brake pedal
Br
it
ish Standard
BSStan
dar
d specification issued by the British Standards Institution
Br
it
ish Standard
Automotive
BSAu
BusTopology of a commu n
ication network
Bypass
AirBPAMechanica l
control of throttle bypass air
C
Camshaft Posit
i
on Sensor
CMPSIndi
cat
es camshaft position
Canadian Motor
V
ehicle
CMVSS

High
tension (electrical)
ht
Hourh
Hydro

carbon
HC
I
Idl

e Air Control
IACEl
ectrical control of throttle bypass air
Idl

e Air Control Valve
IACVStepper motor dri
ven device which vari
es the volume of air by-passing the
throttle to maintain the programmed idle speed
Ignitionign
Ignition am
plifier
IAD
evice which amplifies the i
gniti
on system output
Ignition groundIGN GND
In

ertia Fuel Shut-off
IFSAn
inertia system that shuts off the fuel supply when activated by pre-
determined force limits brough t about by (e.g.) collision
In
ertia Fuel Shut-off
Switch
IFSSShut
s down fuel and ignition systems in the event of a vehicle impact
Inta

ke air
Air drawn t
hrough a cleaner and distri
buted to each cylinder for use in
combustion
InputI/PAn
electrical input signal to a controlling device
Inta

ke Air Temperature
IATTem
perature of intake air
Inta

ke Air Temperature
Sensor
IATSDe
vice used to measure IAT
Inta

ke Air Temperature
Sensor Ignition
IATSITherm
istor which signals the ECM to retard
the ignition timing in response to
high inlet air temperatures
Inta
ke Air Temperature
Sensor Injection
IATSFTher
mistor which inputs air density information to the ECM
Internal diameteri.

dia
Inte

rnational Standards
Organization
ISO
K
Kilogramme (mass)kg
Kilogram
me (force)
kg
f
Ki

logramme force per
square centimeter
kg
f/cm2
Kilom

eter
km
Ki

lometer per hour
km
/h
Kilopasc

al
kP
a
KilovoltkV
Knock

Sensor
KSSens
or which detects the onset of detonation, and signals the ECM to retard
the ignition
L
Le
ft-hand
LH
Left-hand drive veh

icle
LHD
Le

ft-hand thread
LH Thd
Ligh

t Emitting Diode
LEDLigh
t-emitting semiconductor diode used
in alphanumeric displays and as an
indicator lamp
Liqu
id Crystal Display
LCDOp
tical digital display system, applied voltage to which varies the way the
crystals reflect light, thereby modifying the display
LiterL
Low ten
sion
ltPrim
ary circuit of the ignition system, linking the battery to the primary
winding in the ignition coil
M
Malfu
nction Indicator
Lamp
MILA
required on-board indicator to aler
t the driver of an emission related
malfunction
Mani
fold Absolute
Pressure
MAPAbsolute pressure o
f the intake manifold air
Mani

fold Absolute
Pressure Sensor
MAPSSensor loca
ted in the ECM and
ported to the intake manifold
Manifol
d Surface
Temperature
MST
Mass Ai
r Flow
MAFSy
stem which provides inform
ation on the mass flow rate of the intake air to
the engine
Mass Ai
r Flow Sensor
MAFSHot-wi
re sensor which monitors air flow
into the intake manifold for fueling
and ignition control
Maxim
um
max.

Tacho
meter
TACHA
ci
rcuit that provides input for
an electronic tachometer display
Thermal Vacuu
m Valve
TVVControls vacuum l
e
vels or
routing based on temperature
Throttle
Body
TBDe
vi
ce containing the throttle
Throttl
e
Position
TP
Throttl
e
Position Sensor
TPSInterprets throttl
e

position and movement to iden tify idle, acceleration and
full-power demands
Top Dead CenterTDC
Torque Converter C
lutch
TCC
To
tal
indicator reading
TIRThe t
o
tal indicated movement on a DTI with the test piece rotated through
360°
Transm
ission Control
Module
TCMControls
the shifting pattern
of the (automatic) transmission
Transm
ission Control
Switch
TCSModifi es
the operation of electronically controlled transmissions
Transmission Oil
TemperatureTOTIndi
cat
es temperature of transmission fluid
Transmission RangeTRThe ran
g
e in which the transmission is operating
Transmission Spe
e
d
Sensor
TSSIndi cat
es rotational speed of transmission output shaft or turbine shaft
V
Vacuu
m
Solenoid Valve
VSVVacuu
m
operated valve used in the speed control system
Vacuu
m
Solenoid Valve
(atm)
VSV VAVacuu m
atmospheric valve used in the speed control system
Vacuu
m
Solenoid Valve
(rel)
VSV VRVacuu m
release valve used in the speed control system
Vacuu
m
Solenoid Valve
(vac)
VSV VVVacuu m
valve used in the speed control system
Variable Valve TimingVVTA
s
ystem by which the relationship of the crankshaft and camshaft may be
altered during engine running
Vehi cl
e Battery Adapter
VBAProvide
s
electrical power to the PDU
and supplies a battery reference level
Vehicl
e Condition Monitor
VCMInst
rum
ent panel display which warns of faults
Ve
hic
le Emission Control
Information Label
VECI Label
Vehi cl
e Identification
Number
VINN u
mber assigned to the vehicle by the manufacturer, primarily for licensing
and identification purposes
Vehi cl
e Interface Adapter
VIAExtends the
PDU ca
pability and provid
es a parallel interface to vehicle
harnesses and ECMs
Vehicle Spe e
d Sensor
VSSSens
or which provides ve
hicle speed information
Viscosity In
dexVI
Voltage RegulatorVRDe
vice which regulates the variable output voltage of a generator
W
Wat
tWSI unit of power (1 hp = 7
45.7 watts)
W
i
de Open Throttle
WO
TFu
ll throttle position

Hydrau
lic Brake Actuation - Brake Pedal and Bracket
Re
mo
val and Installation
Remov
a
l
• C
A
UTIONS:
Replacement of nuts and bolts: Various thread-locking de vices are used on nuts and bolts throughout the vehicle.
These devices restrict the number of times a nut or bolt can be used. See section 100-00 for information.
Remove brake fluid spilla ge immediately from paint work, with clean water.
In
stallation
1.
Position vehicl
e on a four-post lift.
2. Open hood and fit suitable pa intwork protection equipment.
3. Disconnect battery ground cabl e. (IMPORTANT, see 86.15.19
for further information).
4. Remove engine compartment rear cover. Refer to operation
76.11.35.
5. Remove pedal housing, brake booster and master cylinder
assembly. Refer to operation 70.35.39.
6. Remove brake booster and master cylinder assembly. Refer to
operation 70.50.18.

7. Remove brake wa
rning-light switch.
Remove n
u
t and bolt.
Slide sw

itch forward to release from locating tag.

8. Re
move throttle pedal assembly.
1. Remove and discard retaining wire.
2. Remove pivot pins.
3. Remove throttle pedal assembly.
4. Remove return spring.
9. Clean components and mating surfaces.
1. Apply grease to pivot pins.
2. Install throttle pedal assembly.
1. Align throttle assembly.

8. Posi
tion absorbent cloth underneath master cylinder to collect
brake fluid spillage.

9. Di
sconnect brake tubes from master cylinder.
Install plugs to brake tu

bes an
d master cylinder ports.

10
.
From driver footwell, disconne ct throttle inner cable from
pedal.
Re
move grommet.
Relea

se cable from pedal.

11
.
Disconnect stop-lamp-switch connector.
Move carpet.
Disc
onnect electrical connector.
12. From engine compartment, remo ve throttle cable from pedal
housing.
Re
lease grommet.

Install peda
l housing to vehicle.
Make sure ped

al housing apertu
re is positioned correctly.
Inst
all and tighten nuts to 15-20 Nm.
3. Position cloth underneath master cylinder to collect brake fluid
spillage.

4. Inst
all brake tubes to master cylinder.
Re

move plugs.
Connect

and tighten brake tubes. Refer to Specification
section 206-06 for torque setting.
R
emove cloth from underneath master cylinder.

5. Con
nect throttle cabl
e to pedal housing.
Inst
all cable to grommet.
Inst

all cable to
pedal housing.

6. Conne
ct throttle inner ca
ble to pedal grommet.
7. Connect vacuum pipe elbow to brake booster.
1. Install new seal.
2. Connect pipe.