Discovery 2. Manual — part 68

ENGINE MANAGEMENT SYSTEM - V8

DESCRIPTION AND OPERATION

18-2-1

ENGINE MANAGEMENT SYSTEM - V8

DESCRIPTION AND OPERATION

Engine management component
location - Passenger compartment

LHD illustrated

1 Engine control module
2 Diagnostic connector

3 Malfunction indication lamp

ENGINE MANAGEMENT SYSTEM - V8

18-2-2

DESCRIPTION AND OPERATION

Engine management component
location - Engine compartment

ENGINE MANAGEMENT SYSTEM - V8

DESCRIPTION AND OPERATION

18-2-3

1 Mass air flow/ inlet air temperature sensor
2 Fuel injectors
3 High tension leads/spark plugs
4 Fuel pump relay
5 ATC compressor clutch relay/ cooling fan relay
6 Throttle position sensor
7 Heated oxygen sensor
8 Idle air control valve
9 Ignition coils

10 Engine coolant temperature sensor
11 Crankshaft speed and position sensor
12 Knock sensor
13 Camshaft position sensor

ENGINE MANAGEMENT SYSTEM - V8

18-2-4

DESCRIPTION AND OPERATION

Engine management block diagram