2002 LAND ROVER DISCOVERY diagram

CONTENTS
CONTENTS 23
Headlamps beam alignment - from 03MY ...................................................................................... 86-2-2
REPAIRS
Lamp - front repeater .................................................................................................................... 86-2-3
Headlamp - up to 03MY .................................................................................................................. 86-2-4
Headlamp - from 03MY .................................................................................................................. 86-2-5
Lamp - tail ..................................................................................................................................... 86-2-6
Lamp - front fog up to 03MY ........................................................................................................... 86-2-6
Lamp - front fog from 03MY ............................................................................................................ 86-2-7
Housing - number plate lamp ......................................................................................................... 86-2-8
Motor - headlamp levelling ............................................................................................................ 86-2-9
Lamp - stop - centre high mounted (CHMSL) .............................................................................. 86-2-10
Lamp - tail/flasher - bumper ............................................................................................................ 86-2-10
Lamp - interior - front .................................................................................................................... 86-2-11
Lamp - interior - rear ..................................................................................................................... 86-2-11
Rheostat - panel lights dimmer ...................................................................................................... 86-2-12
Switch - hazard warning ................................................................................................................. 86-2-13
Switch - indicator and exterior lighting - combined.......................................................................... 86-2-13
Socket - accessory ......................................................................................................................... 86-2-14
Switch - front/rear fog lamps ......................................................................................................... 86-2-14
BODY CONTROL UNIT ............................................................................ 86-3-1
DESCRIPTION AND OPERATION
Description ...................................................................................................................................... 86-3-1
Operation ........................................................................................................................................ 86-3-19
REPAIRS
Body control unit (BCU) .................................................................................................................. 86-3-39
ALARM SYSTEM AND HORN ................................................................. 86-4-1
DESCRIPTION AND OPERATION
Alarm system component layout ..................................................................................................... 86-4-2
Alarm system block diagram ........................................................................................................... 86-4-4
Description ...................................................................................................................................... 86-4-5
Operation ........................................................................................................................................ 86-4-16
REPAIR
Switch - central door locking ......................................................................................................... 86-4-25
Switches - horn ............................................................................................................................. 86-4-25
Vehicle horn .................................................................................................................................. 86-4-26
Sounder - alarm ............................................................................................................................ 86-4-26
Sounder - battery backed-up (BBUS) ............................................................................................. 86-4-27
Switch - bonnet ............................................................................................................................. 86-4-27
Receiver - alarm system - models with sunroof ............................................................................. 86-4-28
Receiver - alarm system - models without sunroof ......................................................................... 86-4-28
Coil - passive immobilisation ......................................................................................................... 86-4-29
WINDOWS ................................................................................................ 86-5-1
DESCRIPTION AND OPERATION

CONTENTS
24 CONTENTS
Electric windows block diagram ...................................................................................................... 86-5-1
Electric windows component layout ................................................................................................ 86-5-2
Description ...................................................................................................................................... 86-5-4
Operation ....................................................................................................................................... 86-5-11
REPAIRS
Switch - rear door ......................................................................................................................... 86-5-13
Switch - console ............................................................................................................................ 86-5-13
Switch - heated rear screen ............................................................................................................ 86-5-14
IN CAR ENTERTAINMENT....................................................................... 86-6-1
DESCRIPTION AND OPERATION
ICE System Component layout....................................................................................................... 86-6-1
Base and mid line ICE system control diagram .............................................................................. 86-6-2
High line ICE system control diagram............................................................................................. 86-6-3
Description ...................................................................................................................................... 86-6-4
REPAIRS
Radio cassette player ..................................................................................................................... 86-6-13
Speaker - low/full range - front door ............................................................................................. 86-6-14
Speaker - low range - rear door ..................................................................................................... 86-6-14
Switches - remote control - ICE .................................................................................................... 86-6-15
Amplifier - aerial .............................................................................................................................. 86-6-15
Speaker - mid range - front door ................................................................................................... 86-6-16
Speaker - high range - rear door .................................................................................................. 86-6-16
Amplifier - power ........................................................................................................................... 86-6-17
Speaker - tail door ........................................................................................................................ 86-6-18
CD autochanger ............................................................................................................................ 86-6-18
HARNESSES ............................................................................................ 86-7-1
REPAIRS
Harness - injectors - diesel ............................................................................................................ 86-7-1
Harness - body ............................................................................................................................. 86-7-1
Harness - engine - V8 ..................................................................................................................... 86-7-8
Harness - engine - diesel ................................................................................................................ 86-7-13
Harness - main ............................................................................................................................. 86-7-16
DRIVING AIDS .......................................................................................... 86-8-1
DESCRIPTION AND OPERATION
Park Distance Control – Component Location................................................................................ 86-8-1
Park Distance Control – Control Diagram....................................................................................... 86-8-2
Description ...................................................................................................................................... 86-8-4
Operation ........................................................................................................................................ 86-8-10
REPAIRS
Control unit (ECU) - parking aid...................................................................................................... 86-8-13
Sounder - parking aid rear ............................................................................................................. 86-8-14
Sensor - parking aid - rear - inner ................................................................................................... 86-8-15
Sensor - parking aid - rear - outer .................................................................................................. 86-8-16

CONTENTS
CONTENTS 25
NAVIGATION SYSTEM ............................................................................ 87-1
DESCRIPTION AND OPERATION
Navigation System Component Location ........................................................................................ 87-1
Description ...................................................................................................................................... 87-2
REPAIRS
Interface electronic control unit (ECU) - remote control ................................................................. 87-11
Display unit .................................................................................................................................... 87-12
INSTRUMENTS......................................................................................... 88-1
DESCRIPTION AND OPERATION
Instrument pack .............................................................................................................................. 88-1
Instrument component location - Engine compartment / underneath vehicle ................................. 88-2
Instrument component location - Passenger compartment............................................................. 88-3
Instrument block diagram................................................................................................................ 88-4
Description ...................................................................................................................................... 88-5
Interior rear view mirror with compass (where fitted) ..................................................................... 88-42
REPAIRS
Clock ............................................................................................................................................... 88-45
Instrument pack ............................................................................................................................ 88-45

EMISSION CONTROL - V8
DESCRIPTION AND OPERATION 17-2-5
Evaporative emission system control
diagram
1Battery
2Fuse 13 (engine compartment fusebox)
3Inertia switch
4Main relay (engine compartment fusebox)
5Engine Control Module (ECM)
6Purge Valve (black harness connector)
7Canister vent solenoid (CVS) valve – NAS
vehicles with vacuum type EVAP system leak
detection capability only8Leak detection pump – NAS vehicles with
positive pressure type EVAP system leak
detection capability only
9Fuel tank pressure sensor – NAS vehicles with
vacuum type EVAP system leak detection
capability only
10Instrument pack (MIL warning light)
M17 0210
12
3
4
5
6
7
9
8
10

EMISSION CONTROL - V8
17-2-8 DESCRIPTION AND OPERATION
Secondary air injection system control
diagram
1Fuselink 2 (engine compartment fusebox)
2SAI pump relay
3SAI pump
4SAI vacuum solenoid valve (grey harness
connector)
5Engine Control Module (ECM)6Battery
7Fuse 13 (engine compartment fusebox)
8Inertia switch
9Main relay
9
M17 0207
1
2
3
4
5
7
6
8

ENGINE MANAGEMENT SYSTEM - TD5
18-1-4 DESCRIPTION AND OPERATION
Engine management block diagram

ENGINE MANAGEMENT SYSTEM - V8
18-2-4 DESCRIPTION AND OPERATION
Engine management block diagram

ENGINE MANAGEMENT SYSTEM - V8
18-2-56 DESCRIPTION AND OPERATION
Cruise control block diagram
1SLABS ECU
2BCU
3Cruise control master switch
4SET+ switch
5RES switch
6Brake pedal switch7Clutch pedal switch
8Cruise control ECU
9Vacuum pump assembly incorporating
pneumatic actuator
10Automatic gear selector lever