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AUTOMATIC AIR CONDITIONING SYSTEM
[M5EOI 4-7
E: SYSTEM FLOW
r----- ---
Auto amp
----
.
----------~
Driver circuit
I
OFF relay
I
Blower motor
In-Vehicle sensor
Blower motor
1
E7i
I
control
Fan control
'
Ambinient sensor
circuit
(
amp.
'
Sunload sensor
I
Driver circuit
I
HI relay
Water temp . sensor
I
Circ
1
Intake
Evaporator sensor
Driver circuit
Fresh
door
I
I
20% Fresh
motor
Refrigerant temp .
sensor
I
AUTO switch
Hot side
ECON switch
CPU
Driver circuit
I
Cold side
Air mix
door
VENT switch
Feed back signal
motor
DEF switch
I
Vent side
OFF switch
Driver circuit
I
Def side
Mode
door
I
Temp. adjust switch
I Feed back signal
motor
I
Fan switch
I
CIRC switch
I
I
OUT temp . switch
I
Driver circuit
1
Solenoid
MPFI
L
I
J
L
actuator
--__-_-- _- _ - -- .--_ _--
in compressor
control unit
C4-427
Fig . 66
29
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Troubleshooting
