Land Rover Defender: Component Location, Overview
Land Rover Defender 2020-2026 Service Manual / Chassis / Ride and Handling Optimization / Description and Operation / Component Location, Overview
COMPONENT LOCATION
.png)
- Integrated Power Brake
- Transfer Case Control Module (TCCM)
- Interactive Display Module 'A' (IDMA)
- Chassis Control Module (CHCM)
- Interactive Control Interface Module 'A' (ICIMA)
- Body Control Module (BCM)/ Gateway Module A (GWM)
- Powertrain Control Module (PCM)
- Power Steering Control Module (PSCM)
- Transmission Control Module (TCM)
OVERVIEW
The Terrain Response (TR) system allows the driver to select a program which aims to provide the optimum settings for traction and performance for the prevailing terrain conditions. The system cannot be switched off. The default 'Comfort program' is an active program that covers all general driving conditions.
The TR system allows selection of the following programs:
NOTE: The available Terrain Response (TR) programs may vary depending on vehicle specification.
- Eco program
- Comfort program
- Grass, Gravel, Snow program
- Mud, Ruts program
- Sand program
- Rock crawl program
- Wade program
- Configurable TR program
- Auto program.
The TR system uses a combination of a number of vehicle sub-systems to achieve the required vehicle characteristics for the terrain selected.
The following sub-systems are used in the TR system:
- The TCCM
- The TCM
- The PCM
- The Integrated Power Brake control module
- The CHCM
- The PSCM - Configurable TR program only.
READ NEXT:
Description
TERRAIN RESPONSE SWITCHPACK
Terrain Response switchpack (TR)
The Terrain Response (TR) program selection available on the IDMA menu. Each
program is denoted by a symbol
that represents the relate
Operation
When the Terrain Response (TR) switch operated, and the rotary switch turned
to select, the signal goes from the
ICIMA:
To the HVAC Control Module (HVAC) through the Private High Speed (HS)
Contr
Diagnosis and Testing
PRINCIPLES OF OPERATION
Ride and handling optimization incorporates the terrain response system which
links a number of modules around the
vehicle to give the best combination of settings in the diff
SEE MORE:
Front Drive Axle and Differential - Description and
Operation
COMPONENT LOCATION
Front right halfshaft
Breather tube
Front driveshaft
Front left halfshaft
Front differential
OVERVIEW
The front differential has two functions:
to convert the 'angle of drive' through 90º and distribute drive, via
the front drive halfshafts, to the front wheels.
to c
Upper Timing Cover
REMOVAL AND INSTALLATION
PART(S)
REMOVAL
WARNING:
Be prepared to collect escaping coolant.
CAUTION:
Before disconnecting any components, make sure the area is clean and free from
foreign material. When
disconnected all openings must be sealed.
NOTES:
This procedure contains some variation in the
© 2010-2026 Copyright www.lrdefender.org
