Kia Rio YB Quiz
Heating, Ventilation, and Air Conditioning

Heater & A/C Control Unit (MANUAL)

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 8Maintenance — 31Engine Mechanical System — 44Engine Electrical System — 14Emission Control System — 9Engine Control System/Fuel System — 30Clutch System — 10Manual Transmission — 10Automatic Transmission — 23Drive Shaft and Axle — 8Suspension System — 15Steering — 9Restraints — 14Brake System — 22Body (Interior and Exterior) — 115Body Electrical System — 84Heating, Ventilation, and Air Conditioning — 28
11steps
~66min
3/5difficulty
Done 0 of 11

Components and Component Location

Components

Connector Pin Function

NO. Connector A Connector B
1 Low Battery
2 General ISG Battery
3 High Illumination (+)
4 Mid_LOW Sensor (+5V)
5 Mid_High ⁻
6 High Intake Actuator Feedback
7 Evaporator Sensor (+)
8 Ambient Sensor (+)
9 ⁻
10 ⁻
11 Intake Actuator (FRE)
12 Intake Actuator (REC)
13 HTD
14 Rear Heater Switch
15 Blower Signal Common
16 Illumination (-)
17 IGN2
18 IGN1
19 ⁻
20 Max. Fan Signal
21 PTC Relay 3
22 PTC Relay 2
23 PTC Signal
24 Latch Out (-)
25 ⁻
26 Chassis_CAN (High)
27 Chassis_CAN (Low)
28 ⁻
29 ECV (+)
30 ECV (-)
31 Sensor Ground
32 Ground

Circuit Diagrams

Schematic Diagram

Repair Procedures

Replacement

  1. Disconnect the negative (-) battery terminal.

  2. Remove the airbag lower panel.

    (Refer to Body - "Under Cover Panel")

  3. Remove the audio unit.

    (Refer to Body Electrical System - "Audio Unit")

  4. Remove the glove box.

    (Refer to Crash Pad - "Glove Box Housing")

  5. Remove the driver side air vent duct (A) after loosening the screw.

  6. Disconnect the mode control cable (A).

  7. Remove the passenger side air vent duct (A) after loosening the screw.

  8. Disconnect the temperature control cable (A).

  9. After loosening the mounting screws, remove the heater and air conditioning controller unit (A).

  10. Disconnect the A/C and heater controller connectors (A).

  11. To install, reverse the removal procedure.

Test yourself

A quick Kia Rio YB quiz: every answer comes with an explanation and a link to the manual page.