Land Rover Defender 1999 Td5 Electrical Library Rover Manual
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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.