Mitsubishi Evolution X. Manual — part 71
GENERAL DESCRIPTION
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55-4
AC708612
A/C-ECU
A/C control panel
GENERAL DESCRIPTION
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55-5
COMMUNICATION
AC705259
A/C pressure sensor
Interior temperature sensor
Photo sensor
A/C-ECU
Fin thermo sensor
Outside/Inside air selection
damper control motor
Air mixing damper
control motor
Mode selection damper
control motor
Blower motor
Power transistor
A/C control panel
Combination meter
ETACS-ECU
Engine-ECU
SRS-ECU
: Interactive communication
CAN communication
SERIAL communication
AB
Ambient air
temperature sensor
HEATER AND AIR CONDITIONING SYSTEM
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55-6
HEATER AND AIR CONDITIONING SYSTEM
M2551001000669
HEATER UNIT ASSEMBLY
AC607858
Blower motor
Outside / inside air selection
damper control motor
Air mixing damper control
motor
Air thermo sensor
AB
Mode selection
damper control motor
A/C-ECU
Power transistor
Intake duct
Blower case
AC607857
Heater unit
Air mixing damper
Heater core
Evaporator
Mode selection damper
Outside / inside air
selection damper
AB
Intake duct
Blower case
Clean air filter
HEATER AND AIR CONDITIONING SYSTEM
TSB Revision
HEATER, AIR CONDITIONING AND VENTILATION
55-7
The following new unit integrated blower, heater and
evaporator to increase the air flow, reduce noise, and
enhanced cooler and heater performance;
• Integrated heater/cooling unit has been adopted
for large air flows and low noise.
• Crushable space has been secured to reduce the
risk of passenger injuries.
• Air mix damper that is also used as a reheating
prevention damper has been adopted to enhance
the air cooling performance.
• The A/C condensate water outlet (drain port) has
been installed to behind the evaporator to
restrain the clogging of drain by foreign materials.
• The outlet air temperature of the defroster has
been set lower than that of foot to prevent over-
heating the driver’s face.
• Fin thermo sensor to directly measure evaporator
temperature reduces occurrence risk of an evap-
orator freeze which will lead to the compressor
lock.
• Clean air filter has been introduced as standard
to protect the unit from the intrusion of foreign
materials (fallen leaves and others). and, it
removes the pollen and dust, and enhances the
air quality inside the passenger compartment.
• Clean air filter media and cover have been sepa-
rated to reduce the waste material amount gener-
ated during the filter replacement.
• The installation position of clean air filter has
been set to the backside of glove box to facilitate
the filter replacement operation. And, the
one-touch tab structure has been adopted for the
cover installation to enable the replacement oper-
ation without tools.
OPERATION
.
CRUSHABLE SPACE
The evaporator and heater core has been longitudi-
nally installed in the vehicle length, and the crush-
able space has been adopted so that the structure
absorbs the impact and reduces the risk of passen-
ger injuries, if a collision occurred.
AC506490
AB
Front defroster
Side defroster
Side defroster
Side
outlet
Side
outlet
Center
outlet
Heater core
Heater outlet
to compartment
Recirculation
Fresh
Clean air filter
Blower motor
Evaporator
Heater outlet
AC506491
Crushable space
Crushable space
Front side
Drain port
Evaporator
Heater core
AB
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