Workshop Manuals Factory service & repair Land Rover
01 Introduction02 General information03 General data04 Identification numbers05 Torque wrench settings06 Lifting and towing07 Capacities, fluids and lubricants08 Maintenance09 Engine - Td510 Engine - V811 Emission control - Td512 Emission control - V813 Engine management system - Td514 Engine management system - V815 Fuel delivery system - Td516 Fuel delivery system - V817 Cooling system - Td518 Cooling system - V819 Manifolds and exhaust systems - Td520 Manifolds and exhaust systems - V821 Clutch - Td522 Clutch - V823 Manual gearbox - R38024 Transfer box - LT230SE25 Automatic gearbox - ZF4HP22/2426 Propeller shafts27 Rear axle28 Front axle29 Steering30 Front suspension31 Rear suspension32 Brakes33 Restraint systems34 Doors35 Exterior fittings36 Interior trim components37 Screens38 Seats39 Sunroof40 Chassis and body dimensions41 Panel repairs42 Body sealing materials43 Corrosion prevention and sealing44 Painting45 Heating and ventilation46 Air conditioning47 Wipers and washers48 Charging and starting49 Lighting50 Body control unit51 Alarm system and horn52 Windows53 In car entertainment54 Harnesses55 Driving aids56 Navigation system57 Instruments
Land Rover Discovery II (UK)50 · Body control unit
50 · Diagnostics

Body control unit (Anti-theft system): Description and operation

Make
Land Rover
Model
Discovery II (UK)
Section
Description and operation › Anti-theft system
Body control unitAnti-theft system
FunctionOptionDetails
Alarm sounderAlarmAudible warnings are given by the security system sounder only.
BothAudible warnings are given by both the security system sounder and the vehicle horn.
VehicleAudible warnings are given by the vehicle horn only.
BBUSAudible warnings are given by the security system sounder, vehicle horn and BBUS.
DisabledAudible warnings are not given.
Acclimatisation lockingDisabledThe vehicle cannot be locked if the ignition is on.
EnabledThe vehicle can be locked if the ignition is on and the engine is running.
Alarm tamperDisabledThe security system LED does not flash when the security system has been tampered with.
EnabledThe security system LED flashes when the security system has been tampered with.
Engine immobilisedLED offThe security system LED does not flash when the engine is immobilised.
LED flashThe security system LED flashes when the engine is immobilised.
Low battery warningDisabledThe security system LED does not flash when the remote transmitter battery is low.
EnabledThe security system LED flashes when the remote transmitter battery is low.
Emergency Key AccessDisabledEKA is disabled.
(EKA)EnabledEKA is enabled and the door locks operate electrically.
No unlockEKA is enabled, but the door locks do not operate electrically.

Anti-theft system

The BCU controls the logical switching operations for enabling and activating the anti-theft system. Features include: l Perimetric protection – monitors the condition of doors and hinged panels. l Volumetric protection – monitors the vehicle's interior space. l Remote locking, superlocking and unlocking functions. l Engine immobilisation and remobilisation. l Advanced mislock detection and automatic compensation. l EKA code functions. l Customer configuration options. l Market configuration options.

Immobilisation The immobilisation system comprises the following components: l RF receiver. l RF transmitter/ transponder. l Transponder coil. l BCU. l Door switches, door lock switches and bonnet switch. l IDM. l ECM. l Starter solenoid relay. l Status LED.

Parts & tools for this job For Land Rover Discovery

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