Page 199 of 6000

0.3B/L
I-34
23 I-34
I-3414
I-34
2
1 C-86
H-9
0.3LG/B
1
2C-86
2
H-9
I-33
1 I-35
3
I-33
0.3BR/B0.5B
0.3LG/B
4I-3520.3LG/W0.3B/L
0.3B/L 0.3B/L 0.3B/L
20
0.3LG/WDUCT SENSORSUN SENSOR AMBIENT SENSORINCAR SENSOR
(ASPILATOR)
I-33
0.3B/L
M
6
6
I-32 I-45
H-674
I-453
H-256
2
15
I-33
H-676
8
5
I-32
H-672
7
5
I-33
H-673
I-45 I-45 I-45
0.3V/W
0.3V/R
0.3V/G
0.3V 0.3V/W
0.3V/R
0.3V/G
0.3V
M
1
4 B-69
H-2011
9
45
3
H-2012
3
10
H-482
0.3Y/BR
0.3Y/G
0.3GR
I-32 I-32I-33
0.3Y/BR
0.3Y/G
0.3GR
B-69 B-69 B-69B-69
VENT FOOT DEFB/L D/F
6
H-25
1118
I-33 I-33 1
X-1224
13X-12
X-12
X-524
13 X-5 A/C THERMO RELAYDIODE CERAMIC HEATER
RELAYCERAMIC HEATER
X-5 X-5
0.5G/W
12
H-410.5G/W
0.5G/O
0.5PG
2 7
H-6H-414
H-17E-27 0.5G/O 0.5G/O
I-32
10
0.5G/R
TAIL RELAYILLUMINATION
CONTROLLERI-32 35 36AUTO A/C CONTROL UNITMODE ACTUATOR
MIX
ACTUATOR
9
0.5R/G 0.5G/O ECM(J1-31)
I-33
8 B-692 76 B-69 B-69 B-69
14
I-32
I-401 I-40
9
H-4810
0.3GR/R
I-33
0.3GR/R
8
H-485
0.3GR/G
I-33
0.3GR/G
7
H-484
0.3GR/L
I-33
0.3GR/L
0.3G/B0.3B/L
0.3B/L0.3G/W 0.3G/W 0.3B/L
0.3B/L
0.3GR/R0.3GR/G
0.5P/G
0.5PG21
H-16
13
I-32
9 8 11 23 1624 6 25 26 1 1320 1031 234 32
B-2
BODY-RH 3W/L
5
H-41 0.5G/B 0.5G/B1
B-442
B-44 0.5Y/G 0.5Y/G11
H-150.3G/W
1
B-482
B-48 3W/G15
H-133W/G 2B
X-12
2
8
H-16
H-1619
12
H-25 MAGNETIC
CLUTCH
D08RY00117
Page 201 of 6000
FULL AUTO display
INTAKE indication
(LED)
(switching between
fresh and interior air)
MODE indication
(LED) (Blow port)
AC display (LED)
FAN indication (LED)
FAN KNOB
AUTO SET
REC FRESH SWITCH
TEMP LEVER
(temperature control)
MODE SWITCH
(blow port selection)
AC SWITCH
IN CAR SENSOR
AMBIENT SENSOR
SUN SENSOR
DUCT SENSOR
MIX ACTUATOR
POTENTIOMETER
MODE ACTUATOR
POTENTIOMETER
AIR MIX DOOR
MODE DOOR
INTAKE ACTUATOR
RECINTAKE DOOR
FAN MOTORPOWER
TRANSISTOR
AUTOMATIC HEATER/AIR CONDITIONER CONTROL UNIT (with the built-in micro-computer)
MAX HI RELAY
PRESSURE
SWITCHAIR CONDITIONER
THERMO RELAY
COMPRESSOR
SWITCH MAGNET
CLUTCH
PCM
PRESSURE
SWITCHAIR CONDITIONER
THERMO RELAYMAGNET
CLUTCH
(4JX1engine)
MIX FRESH
F01RY00009
Page 212 of 6000
12
43
860RW026
C01RX016
M
N 3
2
7
6
8
98 43
65 21
7
Potentiometer
ConnectionPosition
Detection
Block Automatic Heater / Air
Conditioner Control Unit
Controller
Sliding Contact
Full Heate PositionTerminal PlateFull Cool PositionDriver
Cool Side Heat Side
C01RX005
Full cool
Full cool0 0 0.5 1.0
50 100%
Aperture of air mix doorVoltage ratio VM/VDD
Full heat Full heat
VDD
VM +
–
Page 214 of 6000
0 50
140 104 68 32
Air mix door aperture
Full cool
Heater
side Restriction on the
aperture enabied
in the VENT modeAir conditioning
ON mode Full heatSet temperature
signal
Mix
actuator
Potentio
meter
Air mix door
In car sensor
Ambient sensor
Sun sensor
Control unitAir conditioning
switch
Set up temperature
signal
Air conditioning
OFF mode
Total signal Cooler
side
C01RY00011
Page 215 of 6000
4.512
(V)
M
MAX
HI Relay
Power
transistor
4.8 10.5MAX HI Set up
temperature signal
Control unit
In car sensor
Ambient sensor
Sun sensor
Mode control
signal Fan switch
AUTO HI
Heater
sideCooler
side Total signalVENT mode
Blower fan motor terminal voltage
C01RY00008
Mode control
DEF / FOOTSet up temperature
signal
Mode actuator
Mode doorPosition
detection
switch
Control unit
In car sensor
Sun sensor
Air conditioning
switch
Mode control
signal Ambient sensor
FOOT
BI-LEVEL
VENT
Heater
sideCooler
side Mode total signal
C01RY00009
Page 216 of 6000
Intake door open / close
RECIRC Setup temperature
signal
Intake
actuator
Position
detection
switch
In car sensor
Ambient sensor
Sun sensor
Compressor
ON / OFF
Fan ON / OFF
Intake switch
Control unit
Intake door
MIX
FRESH
Heater
sideCooler
side Total mode signal
C01RY00012
Ambient sensor
Control unit
Pressure switch
Thermo switch relay
ECM
Compressor relay
Compressor
Electronic
thermostat
Air conditioning
switch
Set up temperature
signal
C01RY00010
Page 218 of 6000
Occurrence of a trouble
Refer to the check list for
the inspection.Locate the failed location.
Check the failed part.
Correction
Correction
Correction
Troubleshooting by the
self-diagnosis function.Reference the "Check
Procedure by Failed
Location" for the inspection.
Reference the "Check
Procedure by Failed
Location" for the inspection.Correction
Check the cooling / heating
cycles.
End OK OK OK OKNG
NG
NG
NG
NG OK
Check if the automatic
heater / air conditioner
control unit indicator LED
is turned on.Check the power supply and
circuit on the automatic
heater / air conditioner control
unit.
Troubleshooting not relying
on the self-diagnosis
function(troubleshooting
by failure type).
F01RX009
Page 219 of 6000
B-18
FL-1 Main
80A
0.5G/R16
107 8
I-32
I-32 C-16
10A0.3R/W
0.5BRBackup
Power supply (12V)
Unit ground
Automatic heater/air conditioner control unit
B-18B-36H-14
C-20
10A A/C
Relay:
Heater and air
conditioner
0.5B
1.25B 2B
Lighting switchLighting switch
H-141H-269
H-2614
H-2720
H-1614 2
14
3 B-36
H-16
H-26H-27I-32
D08RY00175