Land Rover Discovery: Electronic Feature Group
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SPECIAL TOOL(S)
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.
Refer to: F
COMPONENT LOCATION
Central Junction Box (CJB)
Instrument Cluster (IC)
Immobilizer Antenna Unit (IAU)
Smart key
Radio Frequency (RF) receiver
Battery Back-Up Sounder (BBUS)
Hood switch
Tailg
Description
The door modules provide the interface between the door latch motors, the
door and latch switches and the Central Junction Box (CJB). The door
modules provide door micro switch status info
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PRINCIPLES OF OPERATION
For a detailed description of the Glass, Frames and Mechanisms, refer to
the relevant Description and Operation section in the workshop manual.
REFER to: Glass, Frames and Mechanisms (501-11 Glass, Frames and
Mechanisms, Description and Operation).
INSPECTION AND VERIFICATIO
The Telematics Control Module (TCU) receives the Global System
for Mobile
communications (GSM) and Global Positioning System (GPS) signals. Signal
reception is via roof pod which contains the GPS and GSM antennas.
The GPS signal is received by the antenna and is passed to the GPS signal
splitter.