INTRODUCTION (page 2 of 4)

INTRODUCTION

01-4

HRW

Heated Rear Window

ht/HT

High tension

HSLA

High Strength Low Alloy

IACV

Idle Air Control Valve

IAT

Intake Air Temperature

ICE

In-Car Entertainment

i.dia.

Internal diameter

IDM

Intelligent Driver Module

IF

Intermediate Frequency

in

Inch

in

2

Square inch

in

3

Cubic inch

ILT

Inlet Throttle

ISO

International Organisation for 
Standardisation

ITS

Inflatable Tubular Structure

k

Thousand

kg

Kilogramme

kg/h

Kilogrammes per hour

km

Kilometre

km/h

Kilometres per hour

kPa

KiloPascal

KS

Knock Sensor

<

Less  than

l

Litre

lb(s)

Pounds

lbf

Pounds force

lbf.in

Pounds force inches

lbf/in

2

Pounds per square inch

lbf.ft

Pounds force feet

λ

Lambda

lc

Low compression

LCD 

Liquid Crystal Display

LED

Light Emitting Diode

LEV

Low Emission Vehicle

LH

Left-Hand

LHD

Left-Hand Drive

LSM

Light Switch Module

LVS

Liquid Vapour Separator

m

Metre

µ

Micro

MAF

Mass Air Flow

MAP

Manifold Absolute Pressure

MFU

Multi-Function Unit 

MFL

Multi-Function Logic

max.

Maximum

MEMS

Modular Engine Management 
System

MIG

Metal/Inert Gas

MIL

Malfunction Indicator Lamp

MPa

MegaPascal

MOSFET

Metal Oxide Semiconductor Field 
Effect Transistor

min.

Minimum 

-

Minus (tolerance)

'

Minute (angle)

mm

Millimetre

mph

Miles per hour 

MPi

Multi-Point injection

MV

Motorised Valve

MY

Model Year 

NAS

North American Specification

(-)

Negative (electrical)

Nm

Newton metre

No.

Number

NO

2

Nitrogen Dioxide

NO

x

Oxides of Nitrogen

NTC

Negative Temperature 
Coefficient

NRV

Non Return Valve

OBD

On Board Diagnostics

OBM

On Board Monitoring

o.dia.

Outside diameter 

OAT

Organic Acid Technology

ORM

Off-road Mode

Ω

Ohm

PAS

Power Assisted Steering

PCB

Printed Circuit Board

PCV

Positive Crankcase Ventilation

PDC

Parking Distance Control

PDOP

Position Dilation Of Precision

PI

Programme Information

PPS

Pulse Per Second

PS

Programme Service

psi

Pounds per square inch

pts.

Pints

%

Percentage

+

Plus (tolerance) or Positive 
(electrical)

±

Plus or minus (tolerance)

PTC

Positive Temperature Coefficient 

PTFE

Polytetrafluorethylene

PWM

Pulse Width Modulation

RDS

Radio Data Service

r

Radius

:

Ratio

ref

Reference

REG

Regionalisation

RES

Rover Engineering Standards

rev/min

Revolutions per minute

RF

Radio Frequency

RGB

Red / Green / Blue

RH

Right-Hand

RHD

Right-Hand Drive

ROM

Read Only Memory

RON

Research Octane Number

ROV

Roll Over Valve

ROW

Rest Of World

SAE

Society of Automotive Engineers

SAI

Secondary Air Injection

"

Second (angle)

SLABS

Self Levelling and Anti-Lock 
Brake System

SLS

Self Levelling Suspension

SOHC

Single Overhead Camshaft 

SPE

Single Point Entry