Land Rover Defender: Transmission Control Switch - Removal and Installation
Land Rover Defender 2020-2026 Service Manual / Powertrain / Automatic Transmission / External Controls / Transmission Control Switch - Removal and Installation
REMOVAL AND INSTALLATION
REMOVAL
NOTE:
- This procedure contains some variation in the illustrations depending on the vehicle specification, but the essential information is always correct.
- This procedure contains illustrations showing certain components removed to provide extra clarity.
- This procedure contains illustrations for left side components, right side components are similar.
1. Disconnect the startup battery ground cable.
2.
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- Remove the 4 bolts.
- Remove the instrument panel passenger outer side trim.
3.
CAUTION: Take extra care not to damage the component.
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- Remove the bolt.
- Release the instrument panel lower surround from the 10 clips.
4.
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- Remove the 2 screws.
- Release the trim panel from the 2 clips.
5.
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- Disconnect the 2 electrical connectors.
- Remove the trim panel.
6.
NOTE: Take care not to damage the wiring harness when removing the Transmission Control Switch (TCS).
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- Remove the 4 screws.
- Remove the Transmission Control Switch (TCS).
- Disconnect the electrical connector.
INSTALLATION
1.
NOTE: Take care not to damage the wiring harness when installing the Transmission Control Switch (TCS).
- Connect the electrical connector.
- Install the Transmission Control Switch (TCS).
- Install and tighten the 4 screws.
Torque: 3.2Nm
2.
- Connect the 2 electrical connectors.
- Install the trim panel.
3.
- Install the trim panel to the 2 clips.
- Install and tighten the 2 screws.
4.
CAUTION: Take extra care not to damage the component.
- Install the instrument panel lower surround to the 10 clips.
- Install and tighten the bolt.
5.
- Install the instrument panel outer side trim.
- Install and tighten the 4 bolts.
6. Connect the startup battery ground cable.
7. Use the Jaguar Land Rover (JLR) approved diagnostic equipment to configure the new TCM.
READ NEXT:
Automatic Transmission Cooling
SPECIFICATIONS
COMPONENT TORQUE LOCATION
Transmission Cooling - Vehicles With: 8HP76 8-Speed Automatic
Transmission, AWD
DESCRIPTION AND OPERATION
COMPONENT LOCATION
Engine cooling radiator
Engine coolant inlet
Supply pipe - from transmission
Return pipe - to transmission
Automatic Transmission Fluid (ATF) cooler
Transmission Cooling - Vehicles With: 8HP45 8-Speed Automatic Transmission
AWD
DESCRIPTION AND OPERATION
COMPONENT LOCATION
Engine cooling radiator
Engine coolant inlet
Supply pipe - from transmission
Return pipe - to transmission
Engine coolant outlet
Automatic Transmis
SEE MORE:
InControl safety
Make sure the following warnings have
been read and fully understood before
using the InControl features on the vehicle
or smartphone. Failing to do so could
result in an accident, leading to serious
injury or death.
Do not adjust the touchscreen controls,
or allow the system to distract the
driver
Speed Control - Diagnosis and Testing
DIAGNOSIS AND TESTING
PRINCIPLES OF OPERATION
For a detailed description of the Speed Control system, refer to the relevant
Description and Operation section in the
workshop manual.
INSPECTION AND VERIFICATION
CAUTION:
Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution
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