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
READ NEXT:
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:
Wipers and Washers / Diagnosis and Testing
PRINCIPLES OF OPERATION
For a detailed description of the Wipers and Washers system, refer to the
relevant Description and Operation section in the workshop manual. REFER
to: Wipers and Washers (501-16 Wipers and Washers, Description and
Operation).
INSPECTION AND VERIFICATION
CAUTION:
Diagnosis by
Windshield Wiper Fast/Slow/Single Wipe - Operation
OPERATION
Slow Wipe
When the driver moves the wipers and washers control switch to the slow
wipe position, the Central Junction Box (CJB) detects a Local Interconnect
Network (LIN) bus message and energizes the wiper on/off relay in the
Battery Junction Box (BJB). Power flows to the relay contacts o
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