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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PRINCIPLES OF OPERATION
For a detailed description of the Charging System, refer to the relevant
Description and Operation section in the workshop manual. REFER to:
Generator (414-02A Generator and Regulator - TD4 2.2L Diesel, Description
and Operation),
Generator (414-02B Generator and Regulator -
Note: When Eco program is selected,
heating and ventilation settings are
automatically adjusted to reduce energy
consumption.
Temperature control: Rotate to adjust.
Air distribution: Rotate to direct air
flow to the required areas.
Blower speed: Rotate to adjust air flow
speed through the ve