Workshop Manuals Factory service & repair Land Rover
01 Introduction02 Key information03 Multiport fuel injection (MFI-V8)04 300Tdi with EGR05 300Tdi glow plug control06 Starting and charging07 Cruise control08 Ignition and shift interlock09 Anti-lock brake system10 Instruments11 Warnings and indicators12 Horns13 Radio (EXCEPT Japan)14 Radio (Japan)15 Front wipe/wash16 Rear wipe/wash17 Heated front screen18 Heated rear screen and mirror demisters19 Electrochromic rear view mirror20 Multi-function unit (MFU)21 Headlamps22 Side lamps23 Stop lamps24 Direction indicator lamps25 Reversing lamps26 Auxiliary lamps27 Rear fog guard lamps28 Interior lamps29 Cigar lighter/clock30 Blower controls31 Compressor controls32 Cooling fans33 Power windows34 Sunroof35 Central locking (EXCEPT Japan)36 Central locking (Japan)37 Door lock heaters38 Power seats39 Heated seats40 Power mirrors41 Memory seat/mirrors42 Trailer auxiliary socket43 Refrigerator44 Air suspension45 Theft alarm system (EXCEPT Japan)46 Power distribution47 Fuse details48 Ground distribution49 Component location table50 Component location views51 Connector views52 Harness routing
Land Rover Range Rover Classic Electrical Troubleshooting Manual (1995)45 · Theft alarm system (EXCEPT Japan)
45 · General

Theft alarm system (except Japan)

Make
Land Rover
Model
Range Rover Classic Electrical Troubleshooting Manual
Year
1995
Section
Page › Theft alarm system (except Japan)
Theft alarm system (EXCEPT Japan)Theft alarm system (except Japan)

THEFT ALARM SYSTEM (EXCEPT JAPAN)

Partially armed mode

If a door, tailgate or bonnet is left open when the system is armed, the LED will not light for 10 seconds indicating a mislock condition. Hazard lights will not flash. If an open door or tailgate is causing the mislock, the starter motor is disabled. The alarm will sound if ignition is turned to start position. If an open bonnet is causing the mislock the starter motor is disabled. The alarm will arm the volumetric part of the system. If the door tailgate or bonnet is subsequently closed, after a 5 second delay, the doors will unlock and immediately lock, and the system will fully arm.

Handset Transmitter

The handset LED will give one flash when button is pressed momentarily. If button is held down the LED will light again after 2 seconds for 2 seconds, and extinguish until button is released and repressed. The hanset contains unique information distinguishing it from other transmitters. It also contains a set of ‘random’ rolling codes programmed into the ECU before leaving the factory. Each time the handset is pressed a different code is transmitted to the ECU. If the handset is operated more than four times outside the vehicle range (6 metres) or power supply is removed, it will be necessary to re-synchronise handset and the ECU by pressing the handset three times within range and within 5 seconds. NOTE: If both handsets are lost or damaged when system is armed, it will be necessary to fit a new ECU with two matching handsets.

Handset Batteries

If handset LED flashes continuously when button is pressed, the batteries need replacing. The hazard lights will flash one 3 second pulse, instead of three times upon arming vehicle.

Power Up Mode

The alarm system always remembers the state it was left in when power was removed. If the alarm powers up in an alarmed state and is subsequently triggered, it will give a warning that it will fully trigger unless disarmed. This warning consists of

E L E C T R I C A L

THEFT ALARM SYSTEM (EXCEPT JAPAN)

short horn pulses every two seconds for 15 seconds.

New Born Mode

When the ECU is first produced, it will be in its ‘new born’ mode. In this mode it will respond to any remote of the right frequency. This mode will be cancelled when the ECU has received ten valid handset signals without power interruption.

Engine Cranking

It is only possible to crank the engine when ignition is ON and alarm disabled.

T R O U B L E S H O O T I N G M A N U A L

3

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