Land Rover Discovery: 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 increased by approximately 10ºC after 5 minutes.
- Do not measure the steering wheel temperature at the seam in the in the leather; this is where the heater element starts and finishes and will produce inaccurate test results.
NOTES:
- An infra-red thermometer is used during this test.
- The steering wheel temperature should stabilise at 30ºC to 43ºC.
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WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
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WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
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WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
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WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
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WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
NOTE:
Rotate the steering wheel during this test to check for an intermittent fault.
WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
NOTE:
Rotate the steering wheel during this test to check for an intermittent fault.
WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
NOTE:
Rotate the steering wheel during this test to check for an intermittent fault.
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WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
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NOTE:
The steering wheel heater will not operate if the engine is not running.
NOTE:
The engine should still be running and the steering wheel heater set to on.
NOTE:
The engine should still be running and the steering wheel heater set to on.
NOTE:
The engine should still be running and the steering wheel heater set to on.
NOTE:
The engine should still be running and the steering wheel heater set to on.
WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
NOTE:
The engine should still be running and the steering wheel heater set to on.
WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
NOTE:
Rotate the steering wheel during this test to check for an intermittent fault.
WARNING:
Do not probe or disconnect the airbag connector(s) during this test.
NOTE:
Rotate the steering wheel during this test to check for an intermittent fault.
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DTC INDEX
For a list of Diagnostic Trouble Codes (DTCs) that could be logged on this vehicle, please refer to Section 100-00.
REFER to: Diagnostic Trouble Code Index - DTC: Power Steering Control Module (100-00 General Information, Description and Operation).
Steering column specifications
General Specification
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Torque Specifications
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* New nuts/bolts must be fitted
Steering Column Diagnosis and
Testing - Inspection and verificationSteering Column Switches
Ignition Switch (G1774960)
/ Removal and Installation
READ NEXT:
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
Steering Column Switches
Steering Column
Multifunction Switch (G1351134)
/ Removal and Installation
REMOVAL
NOTES:
Removal steps in this procedure may contain installation details.
Removal of the windshield wiper switch assembly is identical to this
procedure.
INSTALLATION
To install,
Steering Linkage Tie
Rod (G1788230) / Removal and
Installation
SPECIAL TOOL(S)
REMOVAL
NOTES:
Some components shown removed for clarity.
Removal steps in this procedure may contain installation details.
Refer to: Steering Gear Boot (211-03 Steering Linkag
SEE MORE:
Auxiliary Climate Control
Electric Booster
Heater
COMPONENT LOCATION
Climate control assembly
Electric booster heater
OVERVIEW
Due to the slower warm up times associated with some engines, an electric
booster heater may be fitted to increase heater performance. The electric
booster heater does this by heating the air leaving the coolant heat
Front Bumper Cover (G1780369)
/ Removal and
Installation
Front bumper cover (G1780369)
- Removal
NOTE:
Removal steps in this procedure may contain installation details.
WARNING:
Make sure to support the vehicle with axle stands.
Raise and support the vehicle.
NOTE:
The step must be carried out on both sides.
Refer to: Fender Splash Shield (50
