Kia Optima DL3 Quiz
Heating, Ventilation, and Air Conditioning

Heater and Air Conditioner Control Assembly (Manual)

In this manual: Heating, Ventilation, and Air Conditioning
General Information — 8Advanced Driver Assistance System (ADAS) — 21Maintenance — 27Engine Mechanical System — 45Engine Electrical System — 11Emission Control System — 11Engine Control System/Fuel System — 25Automatic Transmission — 20Drive Shaft and Axle — 7Suspension System — 22Steering — 7Restraints — 11Brake System — 22Body (Interior and Exterior) — 116Body Electrical System — 90Heating, Ventilation, and Air Conditioning — 32
5steps
~30min
2/5difficulty
Done 0 of 5

Components and Component Location

Components

Connector Terminal Function

[Connector A]

Pin No. Function Pin No. Function
1 Battery (+) 21 IGN2
2 ILL+ (TAIL) 22 IGN1
3 REF Sensor (+5V) 23 -
4 Mode Control Actuator Feedback 24 -
5 Temperature Sensor Feedback 25 -
6 Intake Actuator Feedback 26 -
7 EVAP Sensor (+) 27 -
8 AMB Sensor (+) 28 -
9 - 29 CAN High
10 Maximum Blower Signal 30 CAN Low
11 Blower Signal 31 -
12 Temperature Control Actuator (Warm) 32 HTD (Rear Defrost)
13 Temperature Control Actuator (Cool) 33 P_CAN High
14 Intake Actuator (Recirculation Air) 34 P_CAN Low
15 Intake Actuator (Fresh Air) 35 -
16 Mode Control Actuator (Defrost) 36 -
17 Mode Control Actuator (Vent) 37 -
18 Sensor Ground 38 ECV+
19 ILL - (REO) 39 ECV- (Ground)
20 Ground 40 Ground

[Connector B]

Pin No. Function Pin No. Function
1 Low 4 Medium Low
2 General 5 Medium High
3 Ground 6 High

Repair Procedures

Replacement

  1. Disconnect the negative (-) battery terminal.

  2. Using a screwdriver or removal tool, remove the upper floor console trim (A).

  3. Loosen the mounting screws and remove the heater and air conditioner control assembly (A).

  4. Disconnect the heater and air conditioner control connectors (A).

  5. To install, reverse the removal procedure.

Test yourself

A quick Kia Optima DL3 quiz: every answer comes with an explanation and a link to the manual page.