Kia Optima DL3 Quiz
Body Electrical System

Ventilated and Heated Seat

In this manual: Body Electrical System
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
4steps
~24min
2/5difficulty
Done 0 of 4

Circuit Diagrams

Connector and Terminal Function

Pin Function
Connector A Connector B
1 Driver heater ground (-) Driver fan speed (+)
2 Passenger heater ground (-) -
3 Driver cushion heater power (+) CAN (Low)
4 Driver back heater power (+) CAN (High)
5 Passenger cushion heater power (+) -
6 Passenger back heater power (+) LIN
7 ECU (ground) Latch
8 ECU (ground) IGN1
9 Driver Fan Speed
10 Passenger Fan Speed
11 Illumination (-)
12 Driver NTC (-)
13 Passenger NTC (-)
14 -
15 -
16 -
17 -
18 -
19 -
20 IGN2
21 -
22 NTC Driver (+)
23 Passenger NTC (+)
24 -

Repair Procedures

Removal

Ventilated Seat

  1. Remove the heater unit.

    (Refer to Power Seat Electrical System - "Heated Seat Only")

Seat Ventilation

  1. Disconnect the negative battery cable.

  2. Remove the front seat assembly.

    (Refer to Body - "Front Seat Assembly")

  3. Disconnect the connector of the seat ventilation fan (A).

  4. Remove the ventilation fan (B) from the seat by releasing the clips.

Installation

  1. Install in the reverse order of removal.

Test yourself

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