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.

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.

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.

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.

WARNING:

Do not probe or disconnect the airbag connector(s) during this test.

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.

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

Torque Specifications

* New nuts/bolts must be fitted

Steering Column Diagnosis and Testing - Inspection and verificationSteering Column Switches Ignition Switch (G1774960) / Removal and Installation

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