Land Rover Defender 2002 Electrical Library Rover Manual

Electrical Library
Elektrotec hnische Bibliotheek
Librairie  électrique
Handbuc h Elektrik
Libreria Impianto Elettrico
Biblioteca El éctrica
Livr aria El éctrica 

DEFENDER 2002 MY
ELECTRICAL LIBRARY
LRL 0389ENG
Published by Land Rover
© Land Rover 2001
All rights reserved. No part of this publication may be reproduced, stored in a retrieval system or transmitted in any form, electronic, mechanical, 
recording or other means without prior written permission from Land Rover Group. 

CONTENTS
DEFENDER 02MY 1
INTRODUCTION ..........................................................................  1.1
ABOUT THIS DOCUMENT  ............................................................................... 1.1
ELECTRICAL PRECAUTIONS  ......................................................................... 1.3
ABBREVIATIONS ............................................................................................. 1.5
HOW TO USE THIS DOCUMENT...

CONTENTS
2DEFENDER 02MY
CLOCK ............................................................................................................ 4.65
CIGAR LIGHTER  ............................................................................................ 4.66
ACCESSORY SOCKETS ................................................................................ 4.67
TRAILER SOCKET  ......................................................................................... 4.68
AUDIO SYSTEM...

INTRODUCTION
DEFENDER 02MY 1.1
INTRODUCTIONABOUT THIS DOCUMENT
General
This document is intended to assist in diagnosing electrical faults, and should be used in 
conjunction with the Electrical Circuit Diagrams. The document is divided into the following 
sections.
1.INTRODUCTION  – Includes Electrical Precautions, a list of Abbreviations and 
general information on how to use this document.
2.FUSE DETAILS  – Provides details of location, rating in Amperes, and circuit(s) 
protected.
3.EARTH POINTS AND...

INTRODUCTION
1.2DEFENDER 02MY
Battery Voltage
Open Circuit Voltage Test
Before commencing diagnosis of electrical problems, verify the condition of the battery is 
acceptable by using the open circuit voltage test.
1. Switch off all electrical loads on the vehicle.
2. Adjust digital multimeter to read dc volts on the appropriate scale.
3. Connect test probes across battery terminals ensuring that polarity is correct and 
record the voltage displayed.
A reading of 12.3 V or more is acceptable; any battery...

INTRODUCTION
DEFENDER 02MY 1.3
ELECTRICAL PRECAUTIONS
General
The following guidelines are intended to ensure the safety of the operator whilst preventing 
damage to the electrical and electronic components fitted to the vehicle. Where necessary, 
specific precautions are detailed in the relevant sections of this document, reference of 
which should be made prior to commencing repair operations.
Equipment – Prior to commencing any test procedure on the vehicle, ensure that the 
relevant test equipment is...

INTRODUCTION
1.4DEFENDER 02MY
Battery Disconnecting
Before disconnecting the battery, switch off all electrical equipment. If the radio is to be 
serviced, ensure the security code has been deactivated. When the battery is disconnected, 
certain data such as radio code and clock time will be lost.
CAUTION: To prevent damage to electrical components, ALWAYS disconnect the 
battery when working on the vehicle electrical systems. The earth lead must be 
disconnected first and reconnected last. Always ensure...

INTRODUCTION
DEFENDER 02MY 1.5
ABBREVIATIONS
General
A Ampere
ABS Anti-lock braking system
ac Alternating current
A/C Air Conditioning
ATF Automatic transmission fluid
BUS Databus
CAN Controller area network
Cav Cavity
Cct Circuit
CCU Central control unit
CDL Central door locking
CHMSL Centre high mounted stop lamp
Col Colour
dc Direct current
DCU Diagnostic control unit
EAT Electronic automatic transmission
EBD Electronic braking force distribution
ECM Engine control module
ECT Engine coolant...