MITSUBISHI LANCER EVOLUTION IX 2005 Workshop Manual

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 - LIGHTING3-38
LIGHTING
Headlight
Battery
Front ECU
Dedicated
fuse
Headlight
ASSY
(LO : RH)Headlight
ASSY
(LO : LH)Headlight
(HI : RH)
Dummy connectorHeadlight
(HI : LH)Combination
meter Headlight
relay : LOHeadlight
relay : HI
((
))

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 - LIGHTING3-40
Headlight (continued)
Fusible
link
Generic
fuse
()
Door switch
(Front : RH)
Power
supply
Front side

CIRCUIT DIAGRAMS - LIGHTING3-41
Column switch
Column switch
Diagnosis
connector
J/B side connector

CIRCUIT DIAGRAMS - LIGHTING3-42
Headlight
Battery
Front ECU
Dedicated
fuse
Discharge ECU Discharge ECU
Discharge light sourceDischarge light source
Headlight
levelling
systemHeadlight
relay : LOHeadlight
relay : HI
((
))
Headlight
ASSY
(LO:RH)Headlight
ASSY
(LO:LH)Headlight
(HI:RH)Headlight
(HI:LH)Combination
meter

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