Land Rover Defender Workshop Rover Manual
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86ELECTRICAL 4 DESCRIPTION ANDOPERATION ALARM SYSTEM COMPONENT LOCATION COMPONENT LOCATION 1. Electronic controlunit(ECU) Underdash,LHand RHdrive 2. Anti-theft alarmindicator light Instrumentpanel 3. Engine immobilisation warninglight Instrumentpanel 4. Immobilisation spider* Insidevehicle batterybox 5. Passive coil Overstarter switchbarrel 6. Bonnet switch Enginecompartment, LHand RHdrive 7. Doorswitches 8. Ultrasonic sensor Variesaccording tovehicle type 9. Handset andkey 10. Alarm sounder...
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ELECTRICAL5 DESCRIPTION ANDOPERATION ALARM SYSTEM OPERATION Arming alarm To arm thealarm, aimhandset atvehicle andpress the RH button (Padlock symbol).Provided alldoors and orapertures areclosed, thedirection indicator lamps willflash three times toconfirm thatthealarm is armed. Allsecurity features previously describedwill be active. Once armed, thealarm willsound ifa door orthe bonnet isopened, orifmovement isdetected inside the vehicle. Disarming alarm Within rangeofthe vehicle, brieflypresstheLH...
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86ELECTRICAL 6 DESCRIPTION ANDOPERATION ENGINE IMMOBILISATION Engine immobilisation isan important aspectofthe vehicles securitysystem,andoccurs automatically whenever thealarm system isarmed. The system alsoincludes afeature knownaspassive immobilisation, whichisdesigned tosafeguard thevehicle fromtheftshould thedriver forget toarm the alarm. Passive immobilisation occursautomatically as follows: Thirty seconds afterthestarter switchhasbeen turned offand thedrivers dooropened. Fiveminutes...
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ELECTRICAL7 DESCRIPTION ANDOPERATION ALARM SYSTEM FUSES When thevehicle immobilisation andalarm system is fitted, threefuses areused toprotect thecircuit: Alarm system 15amp fuse, mainharness, located behind instrument binnacle. Alarmsounder 20amp fuseNo.10, located inmain fuse box. Alarm system 5amp fuseNo.20, located inmain fuse box. The main fuseboxispositioned inthe centre ofthe fascia, infront ofthe main gearlever. Alabel inthe fuse boxcover shows thecircuits protected, thefuse rating andtheir...
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86ELECTRICAL 8 DESCRIPTION ANDOPERATION
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ELECTRICAL9 DESCRIPTION ANDOPERATION IMMOBILISATION ANDALARM SYSTEM CIRCUIT DIAGRAM 1. Anti-theft alarmindicator light(LED) 2. Engine immobilisation warninglight 3. Alarm system fuse-15 amp 4. Alarm sounder relay 5. Under bonnet lighting fuse 6. Alarm sounder (withoutbatteryback-up) 7. Alarm system fuse-5 amp (position 20) 8. Electronic controlunit(ECU) 9. Bonnet switch 10. Alarm sounder protection fuse-20 amp (position 10) 11. Starter switch 12. Under bonnet ignition fuse 13. Drivers doorswitch 14....
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86ELECTRICAL 10 DESCRIPTION ANDOPERATION
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ELECTRICAL11 DESCRIPTION ANDOPERATION IMMOBILISATION ANDALARM SYSTEM CIRCUIT DIAGRAM -WITH DDS 1. Anti-theft alarmindicator light(LED) 2. Engine immobilisation warninglight 3. Alarm system fuse-15 amp 4. Alarm sounder relay 5. Under bonnet lighting fuse 6. Alarm sounder (withoutbatteryback-up) 7. Alarm system fuse-5 amp (position 20) 8. Electronic controlunit(ECU) 9. Bonnet switch 10. Alarm sounder protection fuse-20 amp (position 10) 11. Starter switch 12. Under bonnet ignition fuse 13. Drivers...
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86ELECTRICAL 12 DESCRIPTION ANDOPERATION VEHICLE ALARMSYSTEM BUILT-IN TEST NOTE:Thehandset shouldbedetached from thekey toallow perimetric testingof the alarm system. Thesystem will automatically switchtovolumetric testingifthe handset isin close proximity tothe starter switch. The built-in testprocedure canbeaccessed providing the following conditions exist: Alarm disarmed. Ignition off. Doors unlocked. Bonnet closed. With assistance, thetest mode canbeentered by completing thefollowing instructions...
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ELECTRICAL1 FAULT DIAGNOSIS GENERAL INFORMATION Detailed information ofelectrical systems, component locations andcircuit diagrams arecovered inthe Defender ElectricalTroubleshooting Manual. This section coverschecks ofthe charging system. GENERATOR TESTING Service repairno-86.10.01 Charging systemcheck 1. Check battery isin good condition, withanopen circuit voltage ofatleast 12.6V.Recharge or substitute batterytocarry outtest. 2. Check drivebeltcondition See SECTION 10, Maintenance, Underbonnet...