Kia Stinger CK Quiz
Heating, Ventilation, and Air Conditioning

Heater Control Unit

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 8Maintenance — 27Engine Mechanical System — 47Engine Electrical System — 19Emission Control System — 12Engine Control System/Fuel System — 51Automatic Transmission System — 34All-Wheel Drive (AWD) System — 7Drive Shaft and Axle — 15Suspension System — 25Steering — 8Restraints — 19Brake System — 22Body (Interior and Exterior) — 47Front Seat Belt — 63Body Electrical System — 99Windshield Wiper/Washer — 11Heating, Ventilation, and Air Conditioning — 32
9steps
~54min
2/5difficulty
Done 0 of 9

Description and Operation

Description

Smart Ventilation

This system actively ventilates when the humidity inside the passenger compartment increases with the A/C switched off.

  1. Entry Conditions

    a.

    A/C OFF
    b.

    When humidity rises
    b.

    Vehicle speed 25 km/h or more
    d.

    Intelligent ventilation system setting ON

  2. Release conditions

    a.

    A/C ON
    b.

    AVN setting OFF
    b.

    Vehicle speed less than 15 km/h
    d.

    Intelligent ventilation system setting OFF

  3. Operating characteristics

    When humidity inside the compartment increases, the following systems will be activated in the following order.

    a.

    Switching REC → FRE and illumination of the symbol ("INTELLIGENT VENTILATION ON")
    b.

    The defrost door inside the heater gradually opens according to the increase in humidity in the compartment.
    b.

    Blower activated. (Operates at 3.0 V)

Components and Component Location

Components

Connector Terminal Function

[Connector A]

Pin No. Function Pin No. Function
1 Mode control actuator (F/B) 21 Mode control actuator (VENT)
2 Intake Actuator (F/B) 22 Mode control actuator (DEF)
3 Passenger temperature control actuator (F/B) 23 Intake Actuator (FRE)
4 Driver temperature control actuator (F/B) 24 Intake Actuator (REC)
5 Automatic anti-fog actuator (F/B) 25 Passenger temperature control actuator (COOL)
6 - 26 Passenger temperature control actuator (WARM)
7 Vehicle sensor (+) 27 Driver temperature control actuator (COOL)
8 Left photo sensor (-) 28 Driver temperature control actuator (WARM)
9 Right photo sensor (-) 29 Automatic Anti-Fog Actuator (OPEN)
10 Console temperature control actuator (F/B) 30 Automatic Anti-Fog Actuator (CLOSED)
11 Console ON/OFF actuator (F/B) 31 -
12 Console switch (F/B) 32 -
13 Automatic anti-fog signal 33 -
14 Ambient Temperature Sensor (+) 34 P may be LOW
15 Evaporator Temperature Sensor (+) 35 P may be HIGH
16 - 36 -
17 Console temperature control actuator (COOL) 37 -
18 Console temperature control actuator (WARM) 38 -
19 Console ON/OFF actuator (OPEN) 39 -
20 Console ON/OFF actuator (CLOSED) 40 Ground

[Connector B]

Pin No. Function Pin No. Function
1 Ground 13 Ground
2 Sensor Ground 14 ECV (-)
3 PT (GATE) 15 ECV (+)
4 Field effect transistor drain (F/B) 16 -
5 Blower Motor (+) 17 -
6 - 18 PTC ON Signal
7 - 19 PTC Relay 2
8 - 20 PTC Relay 3
9 REF sensor (5V) 21 -
10 - 22 LIN BUS
11 - 23 IGN1
12 Battery (+) 24 IGN2

Repair Procedures

Replacement

  1. Disconnect the negative (-) battery terminal.

  2. Remove the glove box housing.

    (Refer to Body - "Glove Box Housing")

  3. Remove the shower duct (A) after loosening the screw.

  4. Disconnect the heater control unit connectors (A).

  5. Remove the heater control unit (B) after loosening the screws.

  6. Install in the reverse order of removal.

Test yourself

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