HEATER UNIT
HEATER, AIR CONDITIONER AND VENTILATION55-5
HEATER UNIT
M2551000800219
COOLING UNIT AND HEATER UNIT
AC313940AB
Air intake boxResistor
(Power transistor)*Heater unit
Mode selection
damper
Blower motor
Air mixing
damper motor*
Mode selection
damper
Heater core
Air mixing damper
Evaporator
(Cooling unit)
Outside/Inside air
selection damper
Outside/Inside air selection
damper motor
Clean air filter
NO TE: *: Indicat e s vehicles with a u tomatic A/C.
The following co oling unit and heate r unit have been
inst
alled for grea ter fan p o wer , red u ced noise, an d
imp
r oved A/C p e rformance .
•The h eat er unit int egra t es t he hea ter , b l owe r , and
co
oling unit for re duce d weigh t and size.
•Smaller air int a ke b o x ha s be en ado pted fo r
la
rger p a ssenge r leg sp ace .
•The case has a crush able structure so as to be
crushe
d when a collision occurs, t hereby prote c t
-
ing p a ssenger s from imp a ct an d improving t he
safety
.
•Rehea ting of heat er is minimise d to red u ce A/ C
lo
ad, the r eby imp r oving fue l co nsumption.
•Clean air filter with deod orant function is inst alled
for h
i ghe r comfort.
A/C-ECU
HEATER, AIR CONDITIONER AND VENTILATION55-10
SERVICE DATA OUTPUT
Item No.Check items
02Ambient temperature sensor
03Air thermo sensor
04A/C pressure sensor
05Water temperature sensor
07Set temperature
08Set temperature (control part set value)
15Outside/Inside air selection damper
20Blower motor
21Blower motor (Target)
30A/C switch
31A/C switch (control part set value)
35Rear window defogger switch (control part set value)
36Blower switch
37Outside/Inside air selection switch
40Abnormal low pressure judgement
41Refrigerant leaks judgement
42DEF position flag
43Forcible DEF position flag
44Forcible DEF DRY flag
ACTUATOR TEST
Item No.Check items
30Outside/Inside air selection damper control motor
31
40Rear defogger switch
41
09Condenser fan
0B
50Idle-up requirement
51
52
