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Rotary switch and Terrain Response control unit (Discovery 3)

 
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Rotary switch and Terrain Response control unit


Item nameSpare part catalog numberDescription
1-Rotary switch system "Terrain Response"
2-Transfer case high/low range switch
3-Air suspension switch
4-System control unit "Terrain Response"
5-Special programs are disabled
6-The "Grass/Gravel/Snow" program
7-The "Mud/Track" program
8-The "Sand" program
9-The program "Slow movement on a rocky surface"
10-HDC switch

Rotary switch system "Terrain Response" is located on the central console and allows you to select one of five work programs. Each program has a symbol representing a type of terrain. To select the desired program, turn the rotary switch. The switch selects only the last program in the direction of rotation. Once the last program in either direction has been selected, further rotation of the switch will have no effect. For example, after selecting the "Slow movement on rocky terrain" program, further counterclockwise rotation will have no effect.

System control unit "Terrain Response" located under the rotary switch. The unit is connected via a harness connector that also contains the wiring for the HDC switch,

transfer case high/low switch, air suspension switch, and switch illumination circuits. The control module and switch use four wires from the harness to supply 12 volts from the battery when the ignition key is in position II, a ground connection, and high speed CAN bus positive and negative signals.

Details can be found on the website [LRMAN.RU]


This article is available at russian, bulgarian, belarusian, ukrainian, serbian, croatian, romanian, polish, slovak, hungarian
Article review: Saveliy Ushakov


 

Previous articles
Suspension specification
Adjusting the alignment angles of all four wheels
Table of signs of malfunction of movement and controllability
DTC Trouble Code Index
Terrain Response System Component Locations

Current article
Rotary switch and Terrain Response control unit

Next articles
How the Terrain Response system works
Troubleshooting the Terrain Response System

 
 

Similar articles from Land Rover repair manuals:
• Terrain Response Control Module (ATCM) Trouble Code Freelander 2 (2006-2014)
• Control unit (ECU) Freelander 1 (1997-2006)
• Relay: Integrated Ignition and Fuel Control Unit Range Rover 3 (2001-2012)
• Hydraulic Control Unit (HCU) Defender 2007+ (2007-2016)

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