Kia Sportage: Controller / Heater & A/C Control Unit (DATC) Repair procedures

Kia Sportage QL (2015-2019) Service Manual / Heating,Ventilation And Air Conditioning / Controller / Heater & A/C Control Unit (DATC) Repair procedures

Self Diagnosis
1.
Self-diagnosis process

2.
How to read self-diagnostic code
After the display panel flickers three times at 0.5 second intervals, the corresponding fault code flickers on the setup temperature display panel at 0.5 second intervals and two digit figure will be displayed. Codes are indicated in numerical format.
3.
Fault code display
(1)
Continuous operation : One DTC code

(2)
Continuous operation : More than two DTC codes

(3)
STEP operation
A.
Normal or one fault code is the same as the continuous operation.
B.
More than two DTC codes.

4.
If fault codes are displayed during the check up, inspect possible causes of malfunction by referring to fault codes.
Display
Fail description
0
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 
23
Auto defog sensor open
24
Auto defog sensor close
25
Intake door potentiometer open/short
26
Intake door potentiometer fault
32
Temp door potentiometer open/short - Passenger
33
Temp door potentiometer fault - Passenger
45
APT CAN signal fault
47
RPM CAN signal fault
48
Vehicle speed signal fault
49
Engine coolant temperature CAN signal fault
50
Cluster ionizer fault
71
ECV fault

5.
Fail safe
NO.
Item
Fault
Fail Safe
1
In-car Sensor
Open or Short
Control with the value of 25°C(77.0°F)
2
Ambient temperature sensor
Open or Short
Control with the value of 20°C(67°F)
3
Evaporator temperature sensor
Open or Short
Control with the value of -2°C(28.4°F)
4
TEMP DOOR POTENTION METER
Open or Short
If temperature setting is 17°C-24.5°C, fix at maximum cooling position.
If temperature setting is 25°C-32°C, fix at maximum heating position.
5
MODE DOOR POTENTION METER
Open or Short
Fix vent position in vent mode.
Fix defrost position in all modes except vent mode.
6
INTAKE DOOR POTENTION METER
Open or Short
Fix fresh position in fresh mode.
Fix recirculation position in recirculation mode.
7
DEFOG DOOR POTENTION METER
Open or Short
Fix close position, while selecting close mode.
Fix close position in orther cases.
8
ECV
Open 
CF_Fatc_EcvFlt = 01H (fault) ECV OFF, A/C Output OFF, 0Nm
9
ADS
Open or Short
0Nm
11
C_SunRoofOpenState
NO reception
Control to the "close" value
12
CF_Clu_Driving Mode Swi
3h or NO reception
keep last value
17
F_N_ENG
NO reception
Control with the value of 650rpm
18
N
F_N_ENG="Error" or NO reception
Control with the value of 650rpm
20
RLY _ AC
NO reception
Comp OFF (ECV OFF)
21
VS (Vehicle Speed)
FFh or NO reception
VS-TCU (From TCU2) 
22
VS TCU (Vehicle Speed Calculated by TCU)
FFh or NO reception 
Control with the value of  0 km/h
28
TEMP_ENG
FFh or NO reception
Control with the value of - 2 °C(28.4°F)
29
R _ PAcnC (APT Sensor Output Value)
FFh or NO reception
Control with the value of 0 hPa (ECV OFF)
32
R_TqAcnApvC
FFh or NO reception
Control with the value of  0Nm (ECV OFF)

Replacement
1.
Disconnect the negative (-) battery terminal.
2.
Remove the crash pad lower panel.
(Refer to Body - "Crash Pad Lower Panel")
3.
Remove the shift lever knob (A).

4.
Using a screw driver or remover, remove the console upper cover (A).

5.
Disconnect the console upper cover connector (A).

6.
Using a screw driver or remover, remove the crash pad side cover[RH] (A).

7.
Remove the crash pad garnish (A) after loosening the screws.

8.
Remove the center fascia lower panel (A) after loosening the screws.

9.
Disconnect the connectors (A).

10.
Remove the heater & A/C control unit (A) after loosening the screws.

11.
Install in the reverse order of removal.
  
Make sure the connector are connected in properly.
Replace any damaged clips (or pin-type retainers).
Heater & A/C Control Unit (DATC) Components and components location
Components (1) [AUDIO Type] Connector Pin Function Connector Pin NO Function Connector Pin NO ...

Heater
...

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