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