2005 MITSUBISHI LANCER EVOLUTION IX ECU

CIRCUIT DIAGRAMS - CHARGING3-26
CHARGING
Fusible
link
Engine ECUBattery
Dedicated
fuse
Combination
meter Ignition switch (IG1)
Brake
warning light •Windscreen washer /
wiper
•Engine control
•Needle meters
•Turn signal lights, hazard
lights
•Tail lights, position lights,
licence plate lights, lighting
monitor warning buzzer
•Electric stowable remote
control door mirrors
•Generic spare connector
•Fog lights
•Headlights
•Rear washer / wiper
•Cabin lights, boot
compartment lights,
ignition key cylinder
illumination light, door ajar
indicator light Note:
*
Alternator
Field coil
Starter
coil
IC voltage regulator

CIRCUIT DIAGRAMS - ENGINE CONTROL SYSTEM3-28
ENGINE CONTROL SYSTEM
Battery
Dedicated
fuse
Engine
control
relay
Engine ECU
Ignition
Power
supply

CIRCUIT DIAGRAMS - ENGINE CONTROL SYSTEM3-30
Engine control system (continued)
Engine control relay
Air flow
sensor
Engine
ECU
•ACD (vehicle
w/out AYC)
•ACD, AYC Air pressure
sensor Intake temp.
sensor J/C (6)
(Engine control relay)
Exhaust cam
position
sensorIntake cam
position
sensor
Throttle position
sensorCoolant temperature
sensor Air temperature
sensor

CIRCUIT DIAGRAMS - ENGINE CONTROL SYSTEM3-32
Engine control system (continued)
Ignition
switch (ST)
Starter
relayIdle speed
control
servo
Fuel
pressure
solenoid
valveWaste gate
solenoid
valve 1
Engine ECU
Power steering fluid
pressure switch Engine speed
detection connectorEngine control relay

CIRCUIT DIAGRAMS - ENGINE CONTROL SYSTEM3-34
Engine control system (continued)
Engine ECU
Engine immobiliser
system
Diagnosis
connector
Diagnosis
connectorFusible link
Vehicle speed
sensor generic fuse
J/B
()
Front sideFront side

CIRCUIT DIAGRAMS - ENGINE CONTROL SYSTEM3-35
J/B
(Fuel pump relay 2)
Fuel pump
relay 3Fuel pump
register
Fuel pump
and fuel
gauge unit
(main) •ACD, AYC
•ACD (vehicle
w/out AYC)
Engine ECU
Back-up
power supply •Windscreen washer /
wiper
•Needle meters
•Electric stowable remote
control door mirrors
•Generic spare connector
•Cabin lights, boot
compartment lights,
ignition key cylinder
illumination light, door
ajar indicator light Note:*

CIRCUIT DIAGRAMS - COOLING3-36
COOLING
Input signals
•A/C switch
•Vehicle speed sensor
•Cooling temp. sensor Fusible
link Engine
control relay
Radiator fan
control relay
Radiator fan
motor Smoothing
circuit
Field-effect
transistor circuit Input signal
processor
Drive circuit
Current
detector Temperature
detector
Radiator fan controller
Engine ECU

CIRCUIT DIAGRAMS - COOLING3-37
Battery
Dedicated
fuseIgnition
switch (IG2)
•Intercooler water
spray
•Heater
•Full auto A/C
•Manual A/C
•Windscreen washer /
wiper
•Turn signal lights,
hazard lights
•Tail lights, position
lights, licence plate
lights, lighting monitor
warning buzzer
•Fog lamps
•Headlights
•Headlight levelling
system Condenser
fan relay
(LO) Condenser
fan relay
(HI)
Condenser
fan motor
Engine ECU