Land Rover Discovery: Steering Column Diagnosis and
Testing
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Inspection and verification
PRINCIPLE OF OPERATION
For a detailed description of the Steering System and operation, refer to the
relevant Description and Operation section of the workshop manual
Pinpoint tests
NOTE:
The steering wheel heater will not operate if the engine is not
running.
NOTES:
An infra-red thermometer is used during this test.
The steering wheel temperature should have in
REMOVAL
NOTES:
Removal steps in this procedure may contain installation details.
The steering wheel is shown removed for clarity.
Left hand drive illustration(s) shown, Right hand drive is similar
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COMPONENT LOCATION
Downshift paddle switch
Upshift paddle switch
Transmission Control Switch (TCS)
OVERVIEW
The external controls comprise a rotary TCS (transmission control switch)
and two steering wheel mounted paddle switches.
The TCS transmits driver transmission selections to the TCM (t
PART(S)
REMOVAL
NOTE:
This procedure contains some variation in the illustration depending
on the vehicle specification, but essential information is always
correct.
This procedure contains illustrations showing certain components
removed to provide extra clarity.
Disconnect the startup batt