Self-diagnosis process
The F.A.T.C. module self
test feature will detect electrical malfunction and provide error codes
for system components with suspected failures.
|
DTC data can be retrieved from the control
panel directly or from the DLC using the Hi-Scan
Pro. |
HOW TO READ SELF-DIAGNOSTIC CODE
| 1. |
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. |
| 2. |
Fault code
Fault code
|
Fail
description
|
Control
unit
|
00
|
Normal
|
11
|
In-car
temperature sensor open (High)
|
12
|
In-car
temperature sensor short (Low)
|
13
|
Ambient
temperature sensor open (High)
|
14
|
Ambient
temperature sensor short (Low)
|
15
|
Water
temperature sensor open (High)
|
16
|
Water
temperature sensor short (Low)
|
17
|
Evaporator temperature sensor open
(High)
|
18
|
Evaporator temperature sensor short
(Low)
|
19
|
Temp
door potentiometer open/short
|
20
|
Temp
door motor
|
21
|
Mode
door potentiometer open/short
|
22
|
Mode
door control motor
|
23
|
Humidity
sensor open (High)
|
24
|
Humidity
sensor short
(Low)
|
|
| 3. |
Fault code display
| (1) |
Continuance operation : DTC code is
one
|
| (2) |
Continance operation : DTC code is more
two
|
| (3) |
Step operation
| A. |
Nomal or one fault code is same as
a continuance operation |
| |
| 4. |
If a fault code is displayed during the DTC
check, Inspect a malfunction cause by referring to the DTC
code. |
| 5. |
Fail safe
| (1) |
In-car temperature sensor: 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) |
Humidity sensor: Control with the value
of 10% |
| (5) |
Water temperature sensor : Control with
the value of -2°C (28.4°F) |
| (6) |
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. |
| (7) |
Mode control actuator (Direction
potentiometer):
Fix vent position, while selecting vent
mode.
Fix defrost position, while selecting
all except vent mode. |
| (8) |
AQS sensor : AQS operation
OFF.
| A. |
Intake position : The position
before selecting AQS
switch. | | |
| 1. |
Disconnect the negative (-) battery
terminal. |
| 2. |
Remove the center facia panel (A) by pulling
it using a screw driver (-) after loosening a screw Take care of
fixing clips.
|
| 3. |
Disconnect the connectors (B) from the center
facia.
|
| 4. |
Remove the heater & A/C controller (A)
after loosening 4 screws.
|
| 5. |
Installation is the reverse order of
removal. |
