engine MITSUBISHI LANCER EVOLUTION IX 2005 Workshop Manual

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 SYSTEM3-31
Engine
control relay
Oil feed
control
valve
Crank
angle
sensorRegister (for injectors)
InjectorInjector Injector Injector
Engine
control relay
Knock
sensor
O
2sensor Manifold
absolute
pressure
sensorJ/C (6)
(Engine control relay)

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 SYSTEM3-33
Engine control relay
Waste gate
solenoid
valve 2Waste
gate
solenoid
valveSecondary
air control
solenoid
valve Intercooler water spray
•Full auto A/C
•Manual A/C
•Cooling•Heater
•Full auto A/C
•Manual A/C•ACD, AYC
•ACD (vehicle
w/out AYC)

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

CIRCUIT DIAGRAMS - LIGHTING3-39
Ignition
switch (IG2)
•Intercooler
water spray
•Heater
•Full auto
A/C
•Manual A/C
•Full auto A/C
•Manual A/C
•Cooling•ABS
•ACD, AYC
•ACD (vehicle w/out AYC)
•SRS airbags, seatbelt pre-
tensioners
•Intercooler water spray
•Windscreen washer / wiper
•Warning lamps
•Engine control
•Needle meters
•Charging
•Electric stowable remote
control door mirrors
•Generic spare connector
•Cabin lights, boot
compartment lights, ignition
key cylinder illumination
light, door ajar indicator
light Ignition
switch (IG1)
Generic
fuse
J/B
(
)
Dimmer
passing
switch
Column switchWriting
switch
()()
Power
supply

CIRCUIT DIAGRAMS - LIGHTING3-43
Ignition
switch (IG2)Ignition
switch (IG1)
•Intercooler
water spray
•Manual A/C
•Full auto A/C
•Full auto A/C
•Manual A/C
•Cooling
Generic
fuse
J/B
(
)
•ABS
•ACD, AYC
•ACD (vehicle w/out AYC)
•SRS airbags, seatbelt pre-
tensioners
•Intercooler water spray
•Windscreen washer / wiper
•Warning lights
•Engine control
•Needle meters
•Charging
•Electric stowable remote
control door mirrors
•Generic spare connector
•Cabin lights, boot
compartment lights, ignition
key cylinder illumination light,
door ajar indicator light
Dimmer
passing
switch
Column switch
(
)
Lighting
switch()
Power
supply