Land Rover Defender 1999 Td5 Electrical Library Rover Manual

							INTRODUCTION
DEFENDER 1999 MY1.5
Disciplines
Switch off ignition prior to making any connection or disconnection in the
system as electrical surge caused by disconnecting live connections can
damage electronic components.
Ensure hands and work surfaces are clean and free of grease, swarf, etc. as
grease collects dirt which can cause tracking or high-resistance contacts.
When handling printed circuit boards, treat them as you would a brake disc -
hold by the edges only; note that some electronic components are susceptible
to body static.
Connectors should never be subjected to forced removal or refit, especially
inter-board connectors, damaged contacts will cause short-circuit and open-
circuit conditions.
Prior to commencing test, and periodically during test, touch a good earth, i.e.
cigar lighter socket, to discharge body static as some electronic components
are vulnerable to static electricity.
Grease for electrical connectors
All under bonnet and under body connectors are protected against corrosion by
the application of a special grease on production. Should connectors be
disturbed in service or repaired or replaced, a grease of this type, available
under Part No. BAU 5811, should again be applied.
NOTE: The use of other greases must be avoided as they can
migrate into relays, switches etc. contaminating the contacts and
leading to intermittent operation or failure. 
						

							INTRODUCTION
1.6
DEFENDER 1999 MY
ABBREVIATIONS
A - Amps
ABS - Anti-lock braking system
ac - Alternating current
A/C or Aircon - Air conditioning
BBUS - Battery backed up sounder
Cav - Cavity
Cct - Model or feature applicability
Col - Colour
dc - Direct current
ECU - Electronic control unit
ECM - Engine control module
EGR - Exhaust gas recirculation
EKA - Emergency key access
HRW - Heated rear window
IACV - Idle air control valve
ICE - In-car entertainment
LED - Light emitting diode
LH - Left hand
LHD - Left hand drive
Link - Fusible link
MFi - Multiport fuel injection
MY - Model year
No. - Number
RF - Radio frequency
RH - Right hand
RHD - Right hand drive
RWW - Rear wash wipe
SFi - Sequential fuel injection
TP - Throttle position sensor
V - Volts 
						

							INTRODUCTION
DEFENDER 1999 MY1.7
HOW TO USE THIS DOCUMENT
Fuse details
Contains information on fuse functions and values and should be used together
with the power distribution circuit diagrams to establish which systems share a
common power supply and to ensure that correct value fuses are fitted.
Earth points and headers joints
Shows a plan view of the vehicle including location of all earth points.
Supporting photographs and connector detail information appear in the
Connector section.
Description and operation
Presented in the same order as the circuit diagrams are displayed in the
Electrical Circuit Diagram folder, each of the descriptions contains a brief
overview of the main system functions and includes operating parameters for
sensors and switches and reference to the appropriate wire colours. Always
read this section before starting work on a system so that a good
understanding of system functionality is obtained.
Connector
This section is effectively an index of every electrical connector on the vehicle,
including header joints and eyelets. A page is dedicated to each connector,
with the information presented in a standard format including display of the
connector number on each page header to ease reference. Some derivatives
within the model range may have connectors which have been allocated
identical numbers to those already used, but are located in a different position
on the vehicle. Where possible these connectors are displayed on adjacent
pages together with an alternative location statement, a qualifying statement
and an accompanying photograph.
Connector information comprises:
·Connector number- The assigned number, prefixed C.
·Connector name- Usually derived from the component to which the
connection is made.
·Male/Female- If applicable, identifies the gender of the connector pins
(NOT the housing) as Male or Female. Generally, connectors mating
directly to a component have Female pins. 
						

							INTRODUCTION
1.8
DEFENDER 1999 MY
·Colour- If applicable, the colour of the connector housing is shown.
NATURAL is used to describe connectors with a clear/translucent plastic
finish.
·Location statement- Used in conjunction with the photograph to
determine the location of the connector.
·Photograph- Shows the location of the subject connector. In most cases,
the photograph will indicate the amount of trim removal necessary to reveal
the connector. For convenience some photographs identify more than one
connector.
·Derivatives- Unless specified otherwise, location statements and
photographs relate to all models.
·Face view- An outline of the connector housing, viewed from the front,
showing pin numbers (if applicable).
·Pin-out table- A three column table, detailing the colour and position of
each wire in the connector:
Cav Col CCT
1 GR ALL
2 B ALL
1.Cav:The connector pin (cavity) number.
2.Col:The colour of wire populating the connector pin.
3.Cct:Identifies the model or feature which uses the wire. ALL means
applicable to all vehicles in the range. 
						

							INTRODUCTION
DEFENDER 1999 MY1.9
The 1999 MY Defender model range features a number of different derivatives.
To identify which vehicle a specifuc feature applies to, the following CCTs are
used in the connector section of this Electrical Reference Library.
Cct Model or feature
1 Air Conditioning
2 No Air Conditioning
3 RHD
4 LHD
7 90
8 110
9 130
10 ABS - RHD
11 ABS - LHD
12 ABS
13 Non ABS - RHD
14 Non ABS - LHD
15 Anti-theft Alarm
16 Anti-theft Alarm - LHD
17 Anti-theft Alarm - RHD
18 No Anti-theft Alarm - LHD
19 No Anti-theft Alarm - RHD
21 Td5 Engine
22 Non Td5 Engine
23 M52 Engine
24 TDi Engine
25 Dim Dip
26 No Dim Dip
27 Headlamp Levelling
28 Petrol Engine
29 110 Station Wagon
30 90 Station Wagon
31 90/110 Hard Top
32 90/110 Station Wagon 
						

							INTRODUCTION
1.10
DEFENDER 1999 MY
WIRE COLOUR CODES
The following list contains the wire colour codes used on the vehicle harnesses
and is intended to give an indication of the function or feature for which a
particular colour of wire is normally used. These guidelines do not always apply
to the wiring between components and the main harness.
Code Colour Function
BBlack Earth wire from a component to an earth tag.
GGreen Ignition fused supply from passenger compartment
fuse box: clock, instrument, indicators, electric mirrors.
KPink Fused supply: central door locking.
LGLight
GreenIgnition auxiliary fused supply from passenger
compartment fuse box: reverse lamps, brake lamps.
NBrown Battery supply to ignition switch from fusible links 3
and 5.
OOrange Fused supply: central locking.
PPurple Fused permanent supply: interior lamps, radio
cassette, clock, anti-theft alarm, electric aerial.
RRed Fused supply: side lamps.
SSlate
(grey)Fused supply: electric windows.
UBlue Fused supply: headlamps, cooling fans.
WWhite Ignition switched supply to passenger compartment
fuse box.
YYellow Ignition switched supply to passenger compartment
fuse box. 
						

							INTRODUCTION
DEFENDER 1999 MY1.11
Fault diagnosis
When diagnosing an electrical fault follow the steps below:
1.Read the circuit description and study the circuit diagram appropriate to
the reported fault to ensure a good understanding of circuit operation.
2.Study the power distribution, fuse details and earth distribution diagrams
and identify other circuits which share fuses and/or earth points. Check
whether these circuits operate correctly.
3.Using the photographs contained in the Connector section, locate a point
on the circuit (approximately half way between supply and earth) which is
easily accessible.
4.Check that the pin out details of the connector are correct and that the
correct signals exist at the correct terminals.
5.Using the marker pen supplied (or other suitable non-permanent marker
pen), mark the parts of the circuit you have verified.
6.Continue to the next point on the circuit which is easiest to access and
repeat the above.
7.Continue this approach until a fault is found, rectify the fault and then
verify that the circuit operates correctly. 
						

							FUSE DETAILS
DEFENDER 1999 MY2.1
INTRODUCTION
The following tables give details of power supply through the engine and
passenger compartment fuse boxes.
NOTE: Some fuse numbers may be followed by a letter, either an
E or a P. E denotes a fuse located in the engine compartment
fuse box, and P a fuse located in the passenger compartment fuse
box.
Engine compartment fuse box 
						

							FUSE DETAILS
2.2
DEFENDER 1999 MY
Engine compartment fuse box - fusible links
Link Rating Wire
colourFunction
1 100 Amp N Link 2, link 3, link 4, fuse 1 (E), fuse 2 (E),
fuse 3 (E).
2 60 Amp N Glow plug relay, fuse 9 (P), fuse 10 (P).
3 60 Amp N Not used.
4 30 Amp N ABS return pump relay.
5 60 Amp N Ignition switch, starter relay, fuse 8 (P), BBUS, dim
dip resistor.
6 30 Amp N Lighting switch, alarm relay, alarm LED.
Engine compartment fuse box - fuses
Fuse Rating Wire
colourFunction
1 30 Amp N Rear interior lamp, accessory socket, trailer
pick-up.
2 20 Amp N ABS ECU.
3 30 Amp N Column switch, HRW relay.
4 20 Amp N Fuel pump relay.
5 30 Amp N Main relay, inertia switch.
6 15 Amp N Alarm ECU.
7 20 Amp N Radio/Cassette player, interior lamps, hazard
warning switch, clock, speedometer.