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


Connector pin function
Connector
Pin No
Function
Connector
Pin No
Function
A
1
Ground
B
18
Intake Actuator Feedback
2
Middle High
19
Temperature Actuator Feedback
3
Middle Low
20
Vref (5V)
4
High
21
-
5
Low
22
-
6
-
23
Rear Defrost Switch (Low)
B
1
Mode Actuator (Vent)
24
HTD (Rear Defrost Indicator)
2
Mode Actuator (Defog)
25
Detent Out (+)
3
Intake Actuator (Fresh)
26
-
4
Intake Actuator (Recirculation)
27
Evaporator Temperature Sensor
5
Temperature Actuator (Cool)
28
Ambient Temperature Sensor
6
Temperature Actuator (Warm)
29
-
7
PTC On Signal
30
-
8
PTC Relay #2
31
ECV IN
9
PTC Relay #3
32
ECV OUT
10
Seat Warmer Signal (Low) - Driver
C
1
IGN 2
11
Seat Warmer Signal (High) - Driver
2
Rheostat (ILL-)
12
-
3
Sensor Ground
13
CAN (Low)
4
Battery (+)
14
CAN (High)
5
Tail Lamp (+)
15
Blower Feedback
6
Blower Common Signal (-)
16
Ground
7
IGN 1
17
Mode Actuator Feedback
8
Ground

Controller
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Heater & A/C Control Unit (MANUAL) Schematic Diagram
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See also:

Cleaning
1. Make sure the ignition switch and all accessories are in the OFF position. 2. Disconnect the battery cables (negative first). ...

Cluster Ionizer (FATC only) Inspection
1. Press the MODE switch more then 4 times within 2 seconds while pressing the OFF switch. Display Fail description 00 ...

Circuit Diagram
(M/T) (A/T) ...

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