Kia Optima: Self Diagnosis
| 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
Display
|
Fail description
|
00
|
Normal
|
11
|
In-car sensor open
|
12
|
In-car sensor short
|
13
|
Ambient sensor open
|
14
|
Ambient sensor short
|
17
|
Evaporator sensor open
|
18
|
Evaporator sensor short
|
19
|
Temp door potentiometer open/short- Drive
|
20
|
Temp door potentiometer fault- Drive
|
21
|
Mode door potentiometer open/short
|
22
|
Mode door potentiometer fault
|
25
|
Intake door potentiometer open
|
26
|
Intake door potentiometer short
|
32
|
Temp door potentiometer open/short - Passenger
|
33
|
Temp door potentiometer fault - Passenger
|
45
|
APT CAN signal fault
|
46
|
-
|
47
|
RPM CAN signal fault
|
48
|
Vehicle speed CAN signal fault
|
49
|
Engine coolant temp CAN signal fault
|
50
|
Cluster ion generator fault
|
|
| 3. |
Fault code display
| (1) |
Continuance operation
: DTC code is one.
|
| (2) |
Continuance operation
: DTC code is more two.
|
| (3) |
STEP operation
| A. |
Normal 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 safe
| (1) |
In-car temperature sensor:
Control with the value of 23°C(73.4°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 85°C(185°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. |
|
1.
Disconnect the negative (-) battery
terminal.
2.
Using the screwdriver, remove
the side cover (A).
3.
Loosen the mounting screw and
the ...
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Installation
1.
Installation is the reverse of
removal.
2.
Tighten the HECU mounting bolts
and nuts to the specified torque.
3.
After installation, bleed the
b ...
Components and Components Location
Component Location
1. Windshield deicer relay (Built-in engine room relay box)
2. Windshield deicer switch
3. Windshield deicer
4. Deicer connector
...
Replacement