MITSUBISHI LANCER EVOLUTION IX 2005 Workshop Manual

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 ()

3-95CIRCUIT DIAGRAMS

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

3-97CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Front ECU
(tail light relay)
Dedicated
fuse
External air temperature sensor
Demister, door mirror
heating elements
Cabin temperature sensor Tail lights, position
lights, licence
plate lights,
lighting monitor
warning buzzer

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

3-99CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
BatteryGeneric
fuse
Dedicated
fuse
Condenser
fan relay (HI)Condenser
fan relay (LO)•Windscreen
washer / wiper
•Turn signal lights,
hazard lights
•Tail lights, position
lights, licence
plate lights,
lighting monitor
warning buzzer
•Fog lamps
•Headlights
Engine ECU Condenser fan motor
J/B
(
)

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
()

3-101CIRCUIT DIAGRAMS - TEMPERATURE CONTROL
Blower switching damper
motor & potentiometer Fusible link
Front sideDiagnosis connector
Sunlight sensor Dedicated IC

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

3-103CIRCUIT DIAGRAMS