| 1. |
Self-diagnosis process
|
| 2. |
How to read self-diagnostic code
After the display panel flickers three times
every 0.5 second, the corresponding fault code flickers on the setup
temperature display panel every 0.5 second and will show two
figures. Codes are displayed in numerical format
Fault code
Fault code
|
Fail description
|
Display
|
DTC
|
0
|
-
|
NORMAL
|
11
|
B1234
|
INCAR
SENSOR OPEN
|
12
|
B1233
|
INCAR
SENSOR SHORT
|
13
|
B1238
|
AMBIET
SENSOR OPEN
|
14
|
B1237
|
AMBIET
SENSOR SHORT
|
15
|
B1202
|
WATER
TEMP SENSOR OPEN
|
16
|
B1203
|
WATER
TEMP SENSOR SHORT
|
17
|
B1242
|
EVAP
SENSOR OPEN
|
18
|
B1241
|
EVAP
SENSOR SHORT
|
19
|
B1245
|
TEMP
POTENTIMETER OPEN (DRIVER)
|
19
|
B1246
|
TEMP
POTENTIMETER SHORT (DRIVER)
|
20
|
B2406
|
TEMP
POTENTIMETER FAULT (DRIVER)
|
21
|
B1249
|
MODE
POTENTIMETER OPEN
|
21
|
B1250
|
MODE
POTENTIMETER SHORT
|
22
|
B2409
|
MODE
POTENTIMETER FAULT
|
25
|
B1208
|
INTAKE
POTENTIOMETER OPEN
|
25
|
B1209
|
INTAKE
POTENTIOMETER SHORT
|
26
|
B2408
|
INTAKE
POTENTIOMETER FAULT
|
27
|
B1257
|
AQS
SENSOR OPEN
|
28
|
B1258
|
AQS
SENSOR SHORT
|
31
|
B1259
|
AQS
SENSOR FAULT
|
32
|
B1204
|
TEMP
POTENTIMETER OPEN (PASSENGER)
|
32
|
B1205
|
TEMP
POTENTIMETER SHORT (PASSENGER)
|
33
|
B2415
|
TEMP
POTENTIMETER FAULT
(PASSENGER)
|
|
| 3. |
Fault code display
| (1) |
Continuance operation : DTC code is
one.
|
| (2) |
Continuance operation : DTC code is more
two.
|
| (3) |
STEP operation
| A. |
Nomal or one fault code is same as
a continuance
operation. |
| |
| 4. |
If fault codes are displayed during the check,
Inspect malfunction causes by referring to fault
codes. |
| 5. |
Fail safeIn-car temperature
sensor:
| (1) |
Control with the value of
25°C(77°F) |
| (2) |
Ambient temperature sensor: Control with
the value of 20°C(67°F) |
| (3) |
Evaporator temperature sensor: Control
with the value of
-2°C(28.4°F) |
| (4) |
Water temperature sensor : Control with
the value of -2°C (28.4°F) |
| (5) |
Temperature control actuator (Air mix
potentiometer):
If temperature setting 17°C-24.5°C, fix
at maximum cooling position.
If temperature setting 25°C-32°C, fix at
maximum heating position |
| (6) |
Mode control actuator (Direction
potentiometer):
Fix vent position, while selecting vent
mode.
Fix defrost position, while selecting
all except vent mode. |
| (7) |
Intake control actuator :
Fix fresh position, while selecting
fresh mode.
Fix recirculation position, while
selecting recirculation mode. |
| (8) |
AQS sensor : AQS operation
OFF.
Intake position : The position before
selecting AQS
switch. | |
| 1. |
Disconnect the negative (-) battery
terminal. |
| 2. |
Remove the air vent panel(B).
|
| 3. |
Remove the center facia panel (A) after
loosening the screws(6EA).
|
| 4. |
Remove the heater & A/C controller (A)
after loosening 4 screws.
|
| 5. |
Installation is the reverse order of
removal. | |
