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
SEE MORE:
COMPONENT LOCATION - ALL WHEEL DRIVE SYSTEM - VEHICLE SWITH OUT ACTIVE
DRIVELINE
Power Transfer Unit (PTU)
Driveshaft
Active On-Demand coupling
Rear differential
POWER TRANSFER UNIT (PTU) - VEHICLES WITHOUT ACTIVE DRIVELINE
Transmission
Power Transfer Unit (PTU)
OVERVIEW
Vehicles with
DESCRIPTION
The air conditioning system includes the following features:
B-pillar mounted mid-level vents for row 2 passengers
Face-level vents mounted in the C-pillar on vehicles with 5+2 seating,
for
row 3 passengers
A mist sensor on the windscreen, used to detect conditions likely to
cau