2004 MITSUBISHI LANCER EVOLUTION VIII ECU

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Page 125 of 166

MITSUBISHI LANCER EVOLUTION VIII 2004  Workshop Manual CIRCUIT DIAGRAMS - ENGINE CONTROL3-18
Engine Control (cont’d.)
Engine control relay
Air
processor
Engine
ECU
Throttle position
sensorWater temperature
sensor
Atmospheric
pressure sensor
Intake air
t

Page 127 of 166

MITSUBISHI LANCER EVOLUTION VIII 2004  Workshop Manual CIRCUIT DIAGRAMS - ENGINE CONTROL3-20
Engine Control (cont’d.)
Ignition
switch (ST)
Engine control relay
Starter
relay
Idle speed
control
servo
Fuel
pressure
solenoid
valve
Waste
gate
solenoid
valve

Page 129 of 166

MITSUBISHI LANCER EVOLUTION VIII 2004  Workshop 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

Page 130 of 166

MITSUBISHI LANCER EVOLUTION VIII 2004  Workshop Manual CIRCUIT DIAGRAMS - ENGINE CONTROL3-23
Remarks
* :
•Windscreen washer / wiper
•Meter gauges
•Electric retractable door mirrors
•Generic spare connectors
•Cabin lights, boot interior light, 
i

Page 134 of 166

MITSUBISHI LANCER EVOLUTION VIII 2004  Workshop Manual 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

Page 136 of 166

MITSUBISHI LANCER EVOLUTION VIII 2004  Workshop Manual 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, 
hazar

Page 137 of 166

MITSUBISHI LANCER EVOLUTION VIII 2004  Workshop Manual 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
s

Page 149 of 166

MITSUBISHI LANCER EVOLUTION VIII 2004  Workshop Manual 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
war