Land Rover Discovery: Steering Column Diagnosis and Testing
Land Rover Discovery (2009–2016) Service Manual / Chassis / Chassis-Steering-System / Steering Column Diagnosis and
Testing
- Steering Column Diagnosis and Testing - Inspection and verification
- Steering Column Diagnosis and Testing - Pinpoint tests
Steering Column / Description and
OperationSteering Column Diagnosis and
Testing - Inspection and verification
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Steering Column Diagnosis and
Testing - Inspection and verification
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
Steering Column Diagnosis and
Testing - Pinpoint tests
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
Steering Column Switches
Ignition Switch (G1774960)
/ Removal and Installation
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:
Engine Speed and Torque
Monitoring
The ECM constantly supplies the TCM with information on engine speed
and torque through messages on the CAN powertrain systems bus. The
TCM uses this information to calculate the correct and appropriate timing of
shift changes.
If the messages are not received from the ECM, the TCM will implement a
Petrol and Petrol-Ethanol Fuel Systems Health and Safety Precautions
DESCRIPTION AND OPERATION
WARNINGS:
Fuel may not give adequate warning before toxic or harmful
effects
arise.
Exposure to fuel can be harmful and can cause severe health
damage or death.
Extreme care must be exercised when handling hot fluids. Always
wash off spilled fluids from affected ar
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