air conditioning MITSUBISHI LANCER EVOLUTION IX 2005 Workshop Manual

3-1
SECTION 3
CIRCUIT DIAGRAMS
CONTENTS
J/B ............................................................3-4
J/C ............................................................3-6
Central Junction....................................3-11
Power Supply ........................................3-18
Starting System ....................................3-23
Ignition ...................................................3-24
Charging ................................................3-26
Engine Control ......................................3-28
Cooling ..................................................3-36
Lighting
Headlights (excl. discharge type).....................3-38
Headlights (discharge type) .............................3-42
Tail lights, position lights, licence plate
lights, lighting monitor report buzzer................3-46
Cabin lights, boot compartment lights,
ignition key cylinder illumination light,
door ajar indicator light ....................................3-50
Fog lamps ........................................................3-54
Headlight levelling system ...............................3-58
Signals
Turn signal lights, hazard warning lights .........3-60
Reversing lights ...............................................3-64
Stop lights ........................................................3-65
Horn .................................................................3-66
Meters
Needle meters..................................................3-68
Remaining fuel warning light, oil pressure
warning light, brake warning light,
seatbelt warning light .......................................3-70
Door Opening / Closing Control
Power windows ................................................3-72
Central door locking
(vehicle without keyless entry) .........................3-78
Central door locking
(vehicle with keyless entry) ..............................3-80
Temperature Control
Heater ..............................................................3-86
Manual air-conditioning ....................................3-90
Fully automatic air-conditioning .......................3-96
Vision / Safety
Windscreen washer / wipers ..........................3-104
Rear washer / wiper .......................................3-108
Demister
(vehicle with heater or manual A/C) ...............3-110
Demister, door mirror heating elements
(vehicle with full auto A/C)..............................3-112
Electric stowable remote control
door mirrors ....................................................3-114
Accessories
Spare audio connectors .................................3-118
Clock ..............................................................3-120
Cigarette lighter, ashtray illumination lamp ....3-121
Cont. on next page

3-90CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Manual Air-Conditioning
Fusible link Ignition switch (IG2)
Blower
relay
Blower switch
Intercooler
water spray
Blower motorRegister

3-92CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Manual Air-Conditioning (cont’d)
Fusible
link
Engine control relay
Radiator fan
control relay
Radiator fan controller
Smoothing
circuit
Input signal
processorField-effect
transistor circuit
Drive circuit
Temperature
detectionCurrent
detectionRadiator fan
motor

3-94CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Manual Air-Conditioning (cont’d)
Battery Radiator fan controller
Dedicated
fuse
A/C
compressor
relayDual
pressure
switchLow pressure
ON
OFF : 196 kPa
OFF
ON : 221 kPa
High pressure
ON
OFF: 3138 kPa
OFF
ON : 2550 kPa
Engine ECU
Magnetic
clutch Coolant
temperature
switch A/C compressor
J/C (2)Generic fuse ()

3-96CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Fully automatic air-conditioning
Fusible
link
Ignition switch (IG2)
Blower
relay
Blower
pulse
controller
Back-up
power supply Intercooler
water spray

3-98CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Fully automatic air-conditioning (cont’d)
Fusible linkEngine control relay
Radiator
fan control
relay
Radiator fan controller
Smoothing
circuit
Field-effect
transistor circuit
Drive
circuit Input signal
processor
Temperature
detectorCurrent
detectorRadiator
fan motor

3-100CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Fully automatic air-conditioning (cont’d)
Air mixing door
motor &
potentiometerHeater water
temperature
sensorAir thermo sensor
Cabin temp.
sensorExternal air temp.
sensor
Dedicated IC
Dedicated IC
Generic fuse
Internal / External
air switching damper
motor
J/B
()

3-102CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Fully automatic air-conditioning (cont’d)
Battery
Dedicated
fuse
A/C
compressor
relay
A/C compressor
Coolant
temperature
switch
ON
OFF
: 150 ºC
OFF
ON
: 120 ºC
Magnetic
clutchJ/B
Generic
fuse (
)Radiator fan
controller
Dual
pressure
switchLow pressure
ON
OFF
: 196 kPa
OFF
ON
: 221 kPa
High pressure
ON
OFF
: 3138 kPa
OFF
ON
: 2550 kPa
Engine ECU

3-110CIRCUIT DIAGRAMS - VISION / SAFETY
Demister (vehicle with heater or manual air-conditioning)
Front ECU
(tail light relay)
Ignition switch (IG2)Fusible
link
Dedicated
fuse
Tail lights,
position lights,
licence plate
lights, lighting
monitor warning
buzzer
Heater
control unit
Demister, ILL
DemisterDemister
relay