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:
Battery, Mounting and Cables/ Description and Operation
COMPONENT LOCATION
Rear Junction Box (RJB)
Quiescent Current Control Module (QCCM)
Battery Monitoring System (BMS) control module
Primary battery
Gateway Module (GWM)
Central Junction Box (CJB)
Voltage Quality Module (VQM) - vehicles with auto stop/start system only
Starter motor or Tande
Front Row Seat
Backrest Cover -
Vehicles with- power Seats (G1780396)
/ Removal and Installation
REMOVAL
WARNINGS:
To avoid accidental deployment, the restraints control module
backup power supply must be depleted. Wait at least two minutes
after disconnecting the battery ground cable(s) before commencing
any repair or adjustment to the supplemental restraint system (SRS),
or any componen
