| 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. | |
