Land Rover Discovery: General Information
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INTRODUCTION
This manual has been written in a format that is designed to meet the needs
of technicians worldwide. The objective is to use common formats and
include similar content in each manual.
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Colors used in the graphic are as follows:
Blue - Indicates the target item, item to be removed/installed or
disassembled/assembled
Green and Brown - Indicates a secondary item that needs to be de
Symbols are used inside the graphics and in the text area to enhance the
information display. The following paragraphs describe the various types
and categories of symbols.
Prohibition symbols advise
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The VGT vane actuator is located on the side of the turbocharger.
The actuator comprises a 12V DC motor which operates a worm drive to
move the actuator arm to adjust the vane position.
The ECM controls the output to the vane actuator motor using a Pulse
width modulation (PWM) output.
The motor a
PRINCIPLES OF OPERATION
For a detailed description of the battery system and operation, refer to the
relevant Description and Operation section of the workshop manual REFER
to: Battery and Cables (414-01 Battery, Mounting and Cables, Description
and Operation).
INSPECTION AND VERIFICATION
CAUTION:
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