Land Rover Defender: Steering Column Switches

DIAGNOSIS AND TESTING

CAUTION: Diagnosis by substitution from a donor vehicle is NOT acceptable. Substitution of control modules does not guarantee confirmation of a fault, and may also cause additional faults in the vehicle being tested and/or the donor vehicle.

STEERING COLUMN MULTIFUNCTION SWITCH

REMOVAL AND INSTALLATION

REMOVAL

WARNING:

• To avoid accidental deployment and possible personal injury, the backup power supply must be depleted before repairing or replacing any airbag Supplementary Restraint System (SRS) components. To deplete the backup power supply energy, disconnect the battery ground cable and wait for 1 minute. Failure to follow this instruction may result in personal injury.
• Do not connect any electrical test device or equipment to the SRS connectors.
• Always wear safety glasses when working on an airbag equipped vehicle and when handling an airbag.

  Failure to follow this instruction may result in personal injury.

NOTE:

• This procedure contains some variation in the illustrations depending on the vehicle specification, but the essential information is always correct.
• This procedure contains illustrations showing certain components removed to provide extra clarity.

1. Disconnect the startup battery ground cable.

2. Remove the steering wheel.

3.

Remove the 2 bolts.

4.

Release the 2 clips.

5.

• Disconnect the 3 electrical connectors.
• Release the 2 wiring harness clips.
• Remove the steering column multifunction switch.

INSTALLATION

1.

CAUTION: Take extra care when handling the component. Failure to follow this instruction might result in damage to the component.

• Inspect the component for the correct zero position alignment:
• Align the two triangle alignment marks together, highlighted with blue.
• If the component is aligned correctly, a yellow/white roller is visible in the inspection window, highlighted with yellow.
• If a black/blue roller is visible in the inspection window, the component is rotated 360º away from the correct zero position.
• Make sure that the correct alignment is maintained through the installation of the component.

2.

NOTE: Make sure the 2 clips are correctly installed.

• Install the steering column multifunction switch.
• Connect the 3 electrical connectors.
• Install the 2 wiring harness clips.
• Install and tighten the 2 bolts.

  Torque: 2.5Nm

3. Install the steering wheel.

4. Connect the startup battery ground cable.

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