Abbreviations
European country codes
 ∞                Infinity
 %                Duty cycle - ON time
 10V              Ten valve
 16V              Sixteen valve
 20V              Twenty valve
 24V              Twenty four valve
 2WD              Two wheel drive
 4WD              Four wheel drive
 4WS              Four wheel steering
 4x4              Four wheel drive
 8V               Eight valve
 A/S              Air suspension
 AAV              Auxiliary air valve
 ABDC             After bottom dead centre
 ABS              Anti-lock brakes
 ac               Alternating current
 AC               Air conditioning
 ACD              Active centre differential
 ACSD             Automatic cold start device
 ACT              Air charge temperature (sensor)
 ACV              Air control valve
 AEI              Integrated electronic ignition
 Ah               Ampere-hour
 AIV              Air induction valve
 AKR              Anti-knock control
 Alu              Aluminium
 AP               Air pump
 APP              Accelerator pedal position
 ARB              Anti roll bar
 ARF              Exhaust gas recirculation
 AS               Air suction
 ASM              Auto shift manual (transmission)
ASR          Acceleration skid control
ASV          Air suction valve
AT           Automatic transmission
ATDC         After top dead centre
ATF          Automatic transmission fluid
AUX          Auxiliary drive shaft
AWC          All wheel control (centre/rear differential control)
AWD          All wheel drive
AYC          Active yaw control
BARO         Barometric pressure
BBDC         Before bottom dead centre
BDC          Bottom dead centre
bl           Blue
br           Brown
BS           Balancer shaft
BTDC         Before top dead centre
C&A          Check and Adjust
CA           Camshaft
Cab/Cabrio   Cabriolet/convertible
Cam          Camshaft
CAN          Controller area network (data bus)
Carb-2V      Carburettor - twin choke
Carb-Elec    Carburettor - electronically controlled (FBC)
Carb-FJ      Carburettor - fixed jet
Carb-VV      Carburettor - variable venturi
Cat          Catalytic converter
CB           Contact breaker ignition
CD           Constant depression
CDI          Capacitor discharge ignition
CFC          Chlorofluorocarbon
CFi          Central fuel injection
CIH          Cam in head engine
CKP          Crankshaft position
CMP          Camshaft position
CNG          Compressed natural gas
CO           Carbon monoxide
CO2     Carbon dioxide
Cpe     Coupe
CPU     Central processing unit
CR      Common Rail
Crank   Crankshaft
CS      Crankshaft
CSA     Cold starting aid
CTP     Closed throttle position
CTS     Coolant temperature sensor
CTX     Continuously variable transmission
CVH     Compound valve hemispherical
CVT     Current to vacuum sensor
DEE     Digital engine electronics
DeNOx   Catalytic converter to improve the reduction of nitrogen oxides
DHP     Diaphragm type feed pump - high pressure
DI      Direct/distributorless ignition
DIS     Digital idling stabilisation
DLC     Data link connector
DLP     Diaphragm type feed pump - low pressure
DME     Digital motor electronics (Motronic)
DOHC    Double overhead camshaft
DPF     Diesel particulate filter
DPFE    Differential pressure feed back exhaust
dr      Door
DRL     Daytime running lamps
DVM     Digital volt meter
EACV    Electronic air control valve
Eci     Electronically controlled injection
ECM     Engine control module
ECT     Engine coolant temperature (sensor)
ECU     Electronic control unit
EDC     Electronic damper control
EDIS    Electronic distributorless ignition system
Efi     Electronic fuel injection
EFP     Electronic accelerator pedal
EGR     Exhaust gas recirculation
el             Cream
ELCD           Evaporative loss control device
ELD            Electronic load detector
ELR            Electronic idle speed control
EPB            Electric parking brake
EPROM          Erasable programmable read-only memory
EPS            Electric power steering
EPT            Exhaust pressure transducer
ESA            Electronic spark advance
ESC            Electronic spark control
Estate         Estate
ETC            Electronic traction control
ETS            Electronic throttle system
ETV            Electronic throttle valve
EVAP           Evaporative emission
EVR            Electronic vacuum regulator
EX/EXHAUST     Exhaust camshaft
EZF/K/L-i/-h   Computerised ignition
F              Cooling fan
FA             Front axle
FA1            Front axle 1
FA2            Front axle 2
FAP            Diesel particulate filter
FBC            Feed-back carburettor
FL             Fuse link
FP             Fuel pump (diesel)
FWD            Front wheel drive
G              Guide pulley
ge             Yellow
GEN            Alternator
gn             Green
gr             Grey
hbl            Light blue
HC             High compression ratio
HD             Heavy duty
HDC            Hill descent control
HEGO          Hot exhaust gas oxygen (sensor)
HFC           Hydrofluorocarbon
HFM           Hot film management
hgn           Light green
HO2S          Heated oxygen sensor
HOAT          Hybrid Organic Acid Technology
HP            Hydraulic pump
HS            Hydropneumatic suspension
HT            High tension
HUD           Head-up display
Hyd           Hydraulic (tappets)
Hz            Hertz - frequency (cycles per second)
I/O           Input-output unit
IAC           Idle air control
IAT           Intake air temperature
IC            Integrated circuit
ICE           Computerised ignition system
ICM           Ignition Control Module
ICSV          Idle control solenoid valve
IFS           Independent front suspension
IFZ           Infra-red remote control for central locking
IMA           Iding mixture adjustment sensor
IN/INLET      Inlet camshaft
IP            Injection pump (diesel)
IRS           independent rear suspension
ISB           Idle speed boost
ISC           Idle speed control
ISCS          Idle speed control servo
ISG           Integrated starter generator
Jet.          Jetronic
KAM           Keep alive memory
Kat           Catalytic convertor
kg            Kilogrammes
Kmb           Estate
Kmb/3/5/Est. Estate 3/5 door
KPI           King pin inclination
KS        Knock sensor
Lambda    Lambda value (special test equipment)
LC        Low compression ratio
LED       Light emitting diode
LH        Left-hand
LHD       Left hand drive
Lim 2/4   Saloon 2/4 door
Lim 3/5   Hatchback 3/5 door
LPG       Liquefied petroleum gas
LSD       Limited slip differential
LWB       Long wheel base
MAF       Mass air flow (sensor)
MAP       Manifold absolute pressure
Map-DI    ECU controlled direct ignition
Map-DIS   ECU controlled distributorless ignition
Map-h     ECU controlled, hall effect ignition
Map-i     ECU controlled, inductive ignition
Mass      Mass/hot wire meter
Max       Maximum
MF        Maxi fuse
MFI       Multi-port fuel injection
MFI-c     Multi-port fuel injection - continuous
MFI-d     Multi-port fuel injection - direct
MFI-i     Multi-port fuel injection - intermittent
MFI-s     Multi-port fuel injection - sequential
MIL       Malfunction indicator lamp (engine check lamp)
min       Minutes
Min       Minimum
MLUS      Modulated lock-up solenoid
mm        Millimetres
MMC       Manual mixture control
Mono.     Monopoint
Mot.      Motronic
MPFi      Multi-port fuel injection
MPi       Multi-port injection
MPV       Multi-purpose vehicle
ms         Milliseconds - Injector pulse duration
MT         Manual transmission
MWB        Medium wheelbase
N          Negative, Wheel alignment
N          Neutral position, automatic transmission
n          ATDC
N (bold)   Renew bolts/nuts
N=         91 octane petrol
NATS       Nissan anti-theft system
nf         Neutral
Nm         Newton metres
NO         Nitric oxide
NO2        Nitrous dioxide
NOx        Nitric oxide
NTC        Negative temperature coefficient
OAT        Organic Acid Technology
OCS        Oil control system (Renault)
OD         Overdrive
og         Orange
OHC        Overhead camshaft
OHV        Overhead valve
OMMS       Oil Maintenance Management System
OP         Oil pump
P          Park position, automatic transmission
P          Positive, wheel alignment
PAG        Polyalkylene glycol
PAS        Power assisted steering
PATS       Passive anti-theft system
PCV        Positive crankcase ventilation
PD         Unit injector (Pumpe-Düse)
PGM-FI     Programmed fuel injection
PIP        Profile ignition pick-up (signal)
PLA        Pneumatic idle speed enrichment
PMS        Pressure management system
POE        Polyol ester
PP         Piston type feed pump
PROM      Programmable read-only memory
PS        Power steering
PTO       Power take-off
PTC       Positive temperature coefficient
quattro   All wheel drive
R         Radial ply tyres
R&I       Remove and Install
RA        Rear axle
RA1       Rear axle 1
RA2       Rear axle 2
RAM       Random access memory
rbr       Maroon
R-Cat     Regulated catalytic converter
RH        Right-hand
RHD       Right hand drive
ROM       Read only memory
RPM       Revolutions per minute
RPO       Replacement parts organisation (build code) - Citroen/Peugeot
RPO       Regular production option (Cadillac)
rs        Pink
rt        Red
RUF       Adaptable to catalytic converter
RWD       Rear wheel drive
S=        95 octane petrol
SACV      Secondary air control valve
SAI       Steering Axis Inclination
Saloon    Saloon
SB        Splitter box
SC        Supercharger
SCR       Selective catalytic reduction
SEFI      Sequential electronic fuel injection
Sep       Separate
SFI       Sequential fuel injection
SIM       Subscriber identity module
SLS       Self levelling suspension
SMG       Sequential manual gearbox
SOHC      Single overhead camshaft
sp        Number of forward gears
SPi       Single point injection
SST       Special service tool
STO       Self test output
sw        Black
SWA       Single wheel axle
SWB       Short wheel base
SZ        Coil ignition (breaker triggered)
T         Tensioner
TB        Torsion bar (Wheel alignment)
TB        Transfer box
TBI-c     Throttle body injection - continuous
TBI-i     Throttle body injection - intermittent
TC        Twin carburettors
TCCS      Toyota computer control system
TCS       Traction control system
td        Turbo diesel
TDC       Top dead centre
TPM       Tempomat cruise control
TPS       Throttle position switch/sensor
Trans-h   Transistorized hall effect ignition
Trans-i   Transistorized inductive ignition
TSS       Transmission speed shift
TSZ-h     Transistorized ignition - hall effect
TSZ-i     Transistor ignition - magnetic induction
TWA       Twin wheel axle
U-Cat     Unregulated catalytic converter
U-Kat     Unregulated catalytic converter
VAF       Volume air flow sensor
Van       Van
Vanos     Variable valve timing
VEZ       Fully electronic ignition
vi        Violet
VICS      Variable intake control system
VIN       Vehicle identification number
VIS                Variable intake system
VP                 Vacuum pump
VRIS               Variable resonance intake system
VSS                Vehicle speed sensor
VSV                Vacuum switching valve
V-Tec              Variable valve timing and valve lift
VTV                Vacuum transmitting valve
W                  Transverse bolts on main bearing caps
WOT                Wide open throttle
WP                 Water pump
ws                 White
x                  Cross ply tyres
x1,x2              Number of axles
European country codes
(A)     Austria
(B)     Belgium
(CH) Switzerland
(D)     Germany
(DK) Denmark
(E)     Spain
(F)     France
(GB) Great Britain
(GR) Greece
(I)     Italy
(N)     Norway
(NL)    Holland
(P)     Portugal
(S)     Sweden
(SF)    Finland