Kia Optima DL3 Quiz
Body Electrical System

Seat ventilation and heater switch

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
15steps
~90min
4/5difficulty
Done 0 of 15

Circuit Diagrams

Connector and Terminal Function

[Front Seat]

[Ventilation+Heater Type / Type Without Heater]

Pin Function Pin Function
Ventilation + Heater Type Type without Heater Ventilation + Heater Type Type without Heater
1 IGN1 - 9 Illumination (+)
2 - - 10 -
3 - - 11 Illumination (-)
4 Ground - 12 -
5 - 13 Steering Wheel Heater Mode -
6 - 14 Steering Wheel Heater Indicator -
7 LIN - 15 Driver Mode Switch (CW)
8 Ground 16 Driver Mode Switch (CCW)

[Heater Type]

Pin Function Pin Function
1 Heater indicator (high)_RH 13 Heater Mode_RH
2 Heater Indicator (Middle)_RH 14 -
3 Heater indicator (low)_RH 15 -
4 - 16 Ground
5 Driver Mode Switch (CW) 17 -
6 Driver Mode Switch (CCW) 18 Illumination (-)
7 Steering Wheel Heater Mode 19 -
8 Steering Wheel Heater Indicator 20 Illumination (+)
9 Heater Mode_LH 21 -
10 Heater indicator (high)_LH 22 -
11 Heater Indicator (Middle)_LH 23 -
12 Heater indicator (low)_LH 24 -

[Rear Seat]

[Security Type]

Pin Function Pin Function
1 Ground (Lighting -) 5 Ground
2 Door Lock Switch 6 Door lock indicator
3 Door Unlock Switch 7 Power Window Safety
4 Battery + (Illumination +) 8 -

[Manual Type]

Pin Function Pin Function
1 Ground 7 Driver window down
2 Seat heater (high) 8 Power window enable
3 Window Down Motor 9 Ground (Lighting -)
4 Seat heater (low) 10 Driver window up
5 Window up motor 11 Battery + (Illumination +)
6 Seat heater switch 12 Battery (+)

Repair Procedures

Inspection

[Front Seat]

  1. Disconnect the negative battery cable.

  2. Remove the console upper cover.

    (Refer to Body - Floor Console Assembly)

  3. Press and hold the switch, then check the continuity between the signal terminal and the ground terminal.

    [Heater Switch]

[Rear Seat]

  1. Disconnect the negative battery cable.

  2. Remove the rear door trim.

    (Refer to Body - "Rear Door Trim Panel")

  3. Press and hold the switch, then check the continuity between the signal terminal and the ground terminal.

    [Safety]

    [Manual]

Removal

[Front Seat]

  1. Disconnect the negative battery cable.

  2. Remove the console upper cover.

    (Refer to Body - Floor Console Assembly)

  3. Remove the wireless charging pad (A).

  4. Fully disconnect all connectors from the floor console switch.

    (A): Main connector locking clip

    (B): Floor console switch full connector

    (C): Wireless charging indicator connector

  5. Remove the console cup holder assembly (A) after loosening the mounting screws.

  6. Remove the EPB switch assembly (A) after loosening the mounting screws.

  7. Fully remove the floor console switch (A).

[Rear Seat]

  1. Disconnect the negative battery cable.

  2. Remove the rear power window switch.

    (Refer to Power Windows - "Power Window Switch")

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.