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Land Rover Defender 1999 Td5 Electrical Library Rover Manual

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    							Electrical Library
    Elektrotec hnische Bibliotheek
    Librairie  électrique
    Handbuc h Elektrik
    Libreria Impianto Elettrico
    Biblioteca El éctrica
    Livr aria El éctrica 
    						
    							DEFENDER 1999 MY
    Electrical Library
    This manual should be used in conjunction with the following publications:
    KDR 100250 Workshop Manual
    YVB 101670 Electrical Circuit Diagrams
    Publication Part No. VDL 100170
    Published by Rover Technical Communication
    Ó1998 Rover Group Limited 
    						
    							CONTENTS
    DEFENDER 1999 MY
    1. INTRODUCTION
    ELECTRICAL PRECAUTIONS 1.3..........................................................
    ABBREVIATIONS 1.6...............................................................................
    HOW TO USE THIS DOCUMENT 1.7.....................................................
    WIRE COLOUR CODES 1.10..................................................................
    2. FUSE DETAILS
    INTRODUCTION 2.1................................................................................
    Engine compartment fuse box 2.1............................................................
    Engine compartment fuse box - fusible links 2.2......................................
    Engine compartment fuse box - fuses 2.2................................................
    Passenger compartment fuse box 2.3......................................................
    3. EARTH POINTS AND HEADER JOINTS
    Earth points 3.1........................................................................................
    Earth header 3.1.......................................................................................
    Continued..... 
    						
    							CONTENTS
    DEFENDER 1999 MY
    1. INTRODUCTION
    ELECTRICAL PRECAUTIONS 1.3..........................................................
    ABBREVIATIONS 1.6...............................................................................
    HOW TO USE THIS DOCUMENT 1.7.....................................................
    WIRE COLOUR CODES 1.10..................................................................
    1. INTRODUCTION
    ELECTRICAL PRECAUTIONS 1.3..........................................................
    ABBREVIATIONS 1.6...............................................................................
    HOW TO USE THIS DOCUMENT 1.7.....................................................
    WIRE COLOUR CODES 1.10..................................................................
    2. FUSE DETAILS
    INTRODUCTION 2.1................................................................................
    Engine compartment fuse box 2.1............................................................
    Engine compartment fuse box - fusible links 2.2......................................
    Engine compartment fuse box - fuses 2.2................................................
    Passenger compartment fuse box 2.3......................................................
    3. EARTH POINTS AND HEADER JOINTS
    Earth points 3.1........................................................................................
    Earth header 3.1.......................................................................................
    Continued..... 
    						
    							CONTENTS
    DEFENDER 1999 MY
    4. DESCRIPTION AND OPERATION
    ANTI-THEFT ALARM 4.1.........................................................................
    ENGINE IMMOBILISATION - Td5 4.5......................................................
    DIAGNOSTIC SOCKET 4.7.....................................................................
    STARTING AND CHARGING - Td5 4.8...................................................
    ENGINE MANAGEMENT - Td5 4.11........................................................
    FUEL PUMP - Td5 4.12............................................................................
    ANTI-LOCK BRAKING SYSTEM (ABS) - Td5 4.13..................................
    AIR CONDITIONING - Td5 4.17...............................................................
    HEATER 4.20...........................................................................................
    HEATED REAR WINDOW (HRW) 4.21...................................................
    WIPERS AND WASHERS 4.22................................................................
    EXTERIOR LAMPS - Brake and Reverse Lamps 4.26............................
    EXTERIOR LAMPS - Head, Side and Number Plate Lamps 4.27...........
    EXTERIOR LAMPS - Headlamp Levelling 4.30.......................................
    EXTERIOR LAMPS - Rear Fog Lamps 4.32............................................
    EXTERIOR LAMPS - Indicators / Hazard Warning Lamps 4.34...............
    INTERIOR LAMPS 4.37...........................................................................
    INTERIOR ILLUMINATION 4.39..............................................................
    INSTRUMENTS 4.40................................................................................
    HORNS 4.43............................................................................................
    CLOCK 4.44.............................................................................................
    CIGAR LIGHTER 4.45..............................................................................
    IN-CAR ENTERTAINMENT 4.46.............................................................. 
    						
    							INTRODUCTION
    DEFENDER 1999 MY1.1
    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 the document.
    2. FUSE DETAILS- provides details of location, rating in Amps, wire colour
    and circuit(s) protected.
    3. EARTH POINTS AND HEADER JOINTS- provides details of earth
    points and earth header joints, including a plan view of the vehicle to aid
    location.
    4. DESCRIPTION AND OPERATION- provides an explanation of how each
    of the systems operate.
    5. CONNECTOR- details of connectors including a location photograph,
    face view and pin-out table.
    NOTE: Before starting electrical checks on the vehicle, ensure that
    the relevant mechanical functions operate satisfactorily.
    References
    References to the LH or RH side given in this document are made when
    viewing the vehicle from the rear.
    Operations covered in this document do not include reference to testing the
    vehicle after repair. It is essential that work is inspected and tested after
    completion and, if necessary, a road test of the vehicle undertaken, particularly
    where safety related items are concerned.
    CAUTION: Before undertaking any electrical work on a vehicle
    ALWAYS read the ELECTRICAL PRECAUTIONS detailed on page
    1.3. 
    						
    							INTRODUCTION
    1.2
    DEFENDER 1999 MY
    Battery voltage
    Before commencing diagnosis of electrical problems verify the condition of the
    battery is acceptable by using the open circuit voltage test.
    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 12.3V or more is acceptable; any battery which reads less
    than this will need charging.
    NOTE: If the vehicle has been used within a period of 8 hours prior
    to the test, surface charge must be removed from the battery by
    switching the headlamps on for approximately 30 seconds. Wait a
    further 60 seconds before checking the open circuit voltage.
    Battery voltage is used as a known reference for ascertaining whether or not
    circuits are receiving sufficiently high voltage for components to function
    correctly. This reference is only a guide since most electronic circuits are
    designed to function over a wide range of voltages. In addition, consideration
    must be given to readings affected by voltage drop across certain components
    and fluctuations due to cable lengths. 
    						
    							INTRODUCTION
    DEFENDER 1999 MY1.3
    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 to 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 working correctly and any harness or connectors
    are in good condition. This particularly applies to mains lead and connections.
    WARNING: Before commencing work on an ignition system all high
    tension terminals, adapters and diagnostic equipment for testing
    should be inspected to ensure that they are adequately insulated
    and shielded to prevent accidental personal contact and to minimize the
    risk of shock. Wearers of surgically implanted pacemaker devices should
    not work in close proximity to ignition circuits or diagnostic equipment.
    Polarity - Never reverse connect the vehicle battery and always observe the
    correct polarity when connecting test equipment.
    High Voltage Circuits - Whenever disconnecting live ht circuits always use
    insulated pliers and never allow the open end of the ht lead to come into
    contact with other components particularly ECUs. Since high voltage spikes
    can occur on the terminals of the coil while the engine is running, exercise
    caution when measuring the voltage at these points. 
    						
    							INTRODUCTION
    1.4
    DEFENDER 1999 MY
    Connectors and Harnesses - The engine compartment of a vehicle is a
    particularly hostile environment for electrical components and connectors.
    Always ensure these items are dry and oil free before disconnecting and
    connecting test equipment. Never force connectors apart either by using tools
    or by pulling on the wiring harness. Always ensure locking tabs are disengaged
    before removal and note orientation to enable correct reconnection. Ensure
    that any protective covers and substances are replaced if disturbed.
    Before removing a faulty component, refer to the Workshop Manual for removal
    procedures. Ensure the starter switch is turned to the OFF position, the
    battery is disconnected (see Battery disconnecting) and any disconnected
    harnesses are supported to avoid any undue strain at terminals. When
    replacing the component keep oily hands away from electrical connection
    areas and push connectors home until any locking tabs fully engage.
    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.
    CAUTION: To prevent damage to electrical components ALWAYS
    disconnect the battery when working on the vehicle electrical
    system. The earth lead must be disconnected first and reconnected
    last. Always ensure that battery leads are routed correctly and are not
    close to any potential chafing points.
    Battery charging
    Recharge the battery out of the vehicle and keep the top well ventilated. While
    being charged or discharged, and for approximately fifteen minutes afterwards,
    batteries emit hydrogen gas. This gas is inflammable.
    Always ensure any battery charging area is well ventilated and that every
    precautions is taken to avoid naked flames and sparks. 
    						
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