Kia Rio Manuals

Kia Rio: Heater & A/C Control Unit (MANUAL) Components - Controller - Heating,Ventilation, Air Conditioning - Kia Rio UB 2012-2026 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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