ECU MITSUBISHI LANCER EVOLUTION VIII 2004 Repair Manual

CIRCUIT DIAGRAMS - ENGINE CONTROL3-22
Engine Control (cont’d.)
J/B
Common
fuse
()2
Fusible link1Engine ECU
Vehicle
speed
sensor
Engine
immobilizer
system
Diagnostics
connector
Diagnostics
connector
Front viewFront view

CIRCUIT DIAGRAMS - ENGINE CONTROL3-23
Remarks
* :
•Windscreen washer / wiper
•Meter gauges
•Electric retractable door mirrors
•Generic spare connectors
•Cabin lights, boot interior light,
ignition key cylinder
illumination light, door not
properly closed reminder light
J/B
(Fuel pump relay 2)
Fuel pump
relay 3Fuel
pump
register
Fuel pump
& fuel gauge
unit (main)
Back-up
power supply
Engine ECU

CIRCUIT DIAGRAMS - AIR CONDITIONING3-27
J/B
(general fuse)5
J/B (general
fuse)
5
Front ECU
(tail light relay)
Register
Air thermo sensor
Internal / external
changeover
damper motor
Special fuse
Tail lights, side lights,
licence plate lights,
lighting monitor
warning buzzer
•Meter gauge
•Tail lights, side
lights, licence plate
lights, lighting
monitor warning
buzzer
A/C switch, internal/external changeover damper motor, ILL
Demister

CIRCUIT DIAGRAMS - AIR CONDITIONING3-29
General
fuse
Condenser
fan relay
(HI)
Condenser
fan motor
Battery
J/C (2)
(General fuse)
5
Engine ECU
•Windscreen wiper /
washer
•Indicator lights,
hazard warning lights
•Tail lights, side
lights, licence plate
lights, lighting
monitor warning
buzzer
•Fog lights
•Headlights
•Headlight levelling
system

CIRCUIT DIAGRAMS - AIR CONDITIONING3-30
Manual Air Conditioning (cont’d)
Battery
J/C(2)
(General fuse)5Radiator fan
controller
A/C
compressor
relay
General fuse
A/C
compressor
Cooling
temperature
switch
Magnetic
switch
Dual
pressure
switchLow pressure side
ON
OFF
: 196kPa
OFF
ON
: 221kPa
High pressure side
ON
OFF
: 3138kPa
OFF
ON
: 2550kPa
Engine ECU

CIRCUIT DIAGRAMS - SPECIAL EQUIPMENT3-42
ACD (Vehicle not fitted with AYC) (cont’d)
Front ECU
(tail light relay)
Special
fuse
Tail lights, side
lights, licence
plate lights,
lighting monitoring
warning buzzer
•Meter gauges
•Tail lights, side
lights, licence plate
lights, lighting
monitoring warning
buzzer
ACD
mode
switch
Ignition switch
(IG1)
•Windscreen wiper /
washer
•Engine control
•Meter gauge
•Indicator light, hazard
lights
•Tail lights, side lights,
licence plate lights,
lighting monitoring
warning buzzer
•Electric retractable
remote control door
mirrors
•General spare
connectors
•Fog lights
•Headlights
•Rear wiper / washer
•Cabin lights, boot
interior light, ignition
key cylinder illumination
light, door not properly
closed indicator light
Combination
meter

CIRCUIT DIAGRAMS - SPECIAL EQUIPMENT3-43
Engine ECU
Throttle position
sensor

CIRCUIT DIAGRAMS - SPECIAL EQUIPMENT3-50
ACD, AYC (cont’d)
Front ECU (tail
light relay)
Special
fuse
Tail lights, side
lights, licence plate
lights, lighting
monitor warning
buzzer
•Meter gauge
•Tail lights,
side lights,
licence plate
lights, lighting
monitor
warning
buzzer
ACD mode
switch
Ignition switch
(IG1)
•Windscreen wiper &
washer
•Engine control
•Meter gauge
•Indicator lights, hazard
warning lights
•Tail lights, side lights,
licence plate lights,
lighting monitor
warning buzzer
•Electric retractable
remote control door
mirrors
•General spare
connectors
•Fog lights
•Headlights
•Rear wiper / washer
•Cabin lights, boot
interior lights, ignition
key cylinder
illumination light,
door not properly
closed indicator light
Combination
meter
Drive circuit

CIRCUIT DIAGRAMS - SPECIAL EQUIPMENT3-51
Engine ECU
Throttle position sensor

CIRCUIT DIAGRAMS - SPECIAL EQUIPMENT3-58
Engine Immobiliser System
Front view
Battery
Special
fuse
Engine
control
relay
Engine control
Power
supply
Power
supply
Engine
ECU