Kia Rio: Heater & A/C Control Unit (FATC) Components - Controller - Heating,Ventilation, Air Conditioning - Kia Rio UB 2012-2019 Service ManualKia Rio: Heater & A/C Control Unit (FATC) Components


Connector Pin Function
Connector
Pin No
Function
Connector
Pin No
Function
A
1
IGN 2
B
17
HI-SCAN (K-LINE)
2
Rheostat (ILL-)
18
CAN (Low)
3
Sensor Ground
19
CAN (High)
4
Battery (+)
20
Ground
5
Tail Lamp (+)
21
Temperature Actuator Feedback
6
Blower Motor (+)
22
Mode Actuator Feedbac
7
IGN 1
23
Intake Actuator Feedback
8
Ground
24
Foot Actuator Feedback
B
1
Temperature Actuator (Cool)
25
Seat Warmer Signal (Low) - Driver
2
Temperature Actuator (Warm)
26
Seat Warmer Signal (High) - Driver
3
Mode Actuator (Vent)
27
Ionizer Signal
4
Mode Actuator (Defog)
28
Clean Signal
5
Intake Actuator (Fresh)
29
Diagnosis
6
Intake Actuator (Recirculation)
30
-
7
Foot Actuator (Open)
31
-
8
Foot Actuator (Close)
32
Rear Defrost Switch (Low)
9
-
33
HTD (Rear Defrost Indicator)
10
-
34
Detent Out (+)
11
-
35
Vref (+5V)
12
Defog SCK
36
Photo Sensor (-)
13
Defog Data
37
Evaporator Temperature Sensor (+)
14
Defog Temperature
38
Ambient Temperature Sensor (+)
15
Power Mosfet (Gate)
39
ECV IN
16
Power Mosfet (Drain Feedback)
40
ECV OUT

Heater & A/C Control Unit (MANUAL) Replacement
1. Disconnect the negative (-) battery terminal. 2. Remove the heater & A/C controller (A) from the center facia using a flat-head scre ...

Heater & A/C Control Unit (FATC) Schematic Diagrams
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See also:

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Replacement
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