Defender Electric Diagrams. Manual — part 173

USING THIS PUBLICATION

HEALTH AND SAFETY

Always follow health and safety guidelines, specifically the Electrical Precautions detailed in the Workshop
Manual.

Important

The information provided in this publication is for use only by competent, qualified auto-electricians. Good
product knowledge is assumed, as well as the ability to access and use recommended test equipment and
other reference material provided.

Test equipment and other reference material

The information in this publication should be used in conjunction with the recommended test equipment; refer
to Workshop Manual. Other reference material includes: Electrical Circuit Diagrams, Technical Service
Bulletins (TSB) and the Workshop Manual.

Battery disconnection and reconnection

It is imperative that any information relating to battery disconnection and reconnection is followed; refer to the
appropriate sections in the Workshop Manual.

Fault diagnosis

Always use the recommended test equipment and test procedures for correct and reliable fault diagnosis;
refer to the appropriate sections in the Workshop Manual.

NOTE: Before starting electrical checks on the vehicle, ensure that relevant mechanical functions
operate satisfactorily; refer to the appropriate section of the Workshop Manual.

Abbreviations and acronyms

Abbreviation Description

APP

Accelerator pedal position

ABS

Anti-lock braking system

ACCM

Auxiliary climate control module

AFS

Adaptive front lighting system

A

Ampere

ATCM

Automatic temperature control module

AVI

Audio video input

BBUS

Battery backed-up sounder

BJB

Battery junction box

CAN

Controller area network

cav

Cavity

CBC

Corner brake control

Cct

Circuit

col

Colour

CSA

Cross sectional area

CJB

Central junction box

CLS

Central locking system

CO

Carbon monoxide

D

Drive

DAR

Drive away release

Destn

Destination

DC

Direct current

DSC

Dynamic stability control

DTC

Diagnostic trouble code

EBA

Emergency brake assist

EBD

Electronic brake-force distribution

ECM

Engine control module

ECT

Engine coolant temperature

ECU

Electronic control unit

EDC

Engine drag-torque control

EMS

Engine management system

ETC

Electronic traction control

FET

Field effect transistor

FFBH

Fuel fired booster heater

HDC

Hill descent control

HLD

High level definition

IHU

Integrated head unit

in

Inches

kHz

Kilohertz

km/h

Kilometers per hour

LCD

Liquid crystal display

LED

Light emitting diode

LF

Low frequency

LH

Left hand

LHD

Left hand drive

LIN

Local interconnect network

MIL

Malfunction indicator lamp

mm

Millimeters

MOST

Media orientated system transport

mph

Miles per hour

ms

Milliseconds

M/S

Manual/sport

N

Wire colour codes

The following list contains wire colour codes used on the vehicle harnesses.

Neutral

NAS

North American specification

NOx

Nitrogen oxide

NTC

Negative temperature co-efficient

P

Park

PWM

Pulse width modulation

R

Reverse

RF

Radio frequency

RH

Right hand

RHD

Right hand drive

RSC

Roll stability control

SDARS

Satellite digital audio radio service

SPE

Single point entry

SRS

Supplemental restraint system

TCM

Transmission control module

TMC

Traffic message channel

TPMS

Tire pressure monitoring system

TV

Television

UK

United Kingdom

V

Volt

VICS

Vehicle information and communication system

Code

Colour

BK or B

Black

GN or G Green

PK or K

Pink

LG

Light green

BN or N Brown

OG or O Orange

VT or P

Purple

RD or R Red

GY or S Grey (Slate)

T

Transparent

BU or U Blue

WH or W White

YE or Y

Yellow

Connector number suffix

To provide more accurate connector information, in some instances, a suffix has been added to the connector
that identifies the vehicle harness derivative; refer to the Connector number suffix table below.

Note: The suffix does not always appear on the circuit. Take care to use the correct circuits
appropriate to the vehicle under scrutiny.

Connector number suffix table

Connector details

A page is dedicated to each connector, with the information presented in a standard format. Connector
information comprises:

z

Connector Number – The assigned number, prefixed 'C'.

z

Description – Usually derived from the component to which the connection is made.

z

Location – Used in conjunction with the photograph to determine the location of the connector.

Note: References to the LH or RH side given in this document are made when viewing the
vehicle from the rear.

z

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.

z

Face View – An outline of the connector housing, viewed from the front, showing pin numbers (if
applicable).

z

Part No. – The part number as it appears on the harness drawing (if applicable).

z

Colour – If applicable, the colour of the connector housing is shown. NATURAL is used to describe
connectors with a clear/translucent plastic finish.

z

Gender – If applicable, identifies the gender of the connector pins (NOT the housing) as Male or
Female. Generally, connectors mating directly into a component have Female pins.

z

Type – Generic connector group.

z

No. of Ways – Identifies the number of cavities within the connector.

z

Service Repair Kits (where applicable) – Gives details of all harness repair kits applicable to the
connector. If a connector has different types of cavity, more than one service repair kit will be required.

Code Derivative

Detail

A

PV6

Gasoline V6

B

PV8NA

Gasoline V8 naturally aspirated

C

DV6 or DV6EU3 Diesel V6 (EU3 compliant)

D

PV8SC

Gasoline V8 super charged

E

DV8

Diesel V8

F

D4

Diesel (in-line 4)

G

D6

Diesel (in-line 6)

H

DV6EU4L

Diesel V6 (EU4 compliant, left-hand drive)

J

DV6EU4R

Diesel V6 (EU4 compliant, right-hand drive)

K

DV8R

Diesel V8 (right-hand drive)

L

LHD

Left-hand drive

P

PETROL

Gasoline

Q

DIESEL

Diesel

R

RHD

Right-hand drive