Kia Forte BD Quiz
Body Electrical System

Seat Heater Unit

In this manual: Body Electrical System
General Information — 8Maintenance — 32Engine Mechanical System — 47Engine Electrical System — 17Emission Control System — 10Engine Control System/Fuel System — 32Clutch System — 11Manual Transmission — 11DCT (Dual Clutch Transmission) System — 16Drive Shaft and Axle — 8Suspension System — 26Steering — 9Restraints — 11Brake System — 27Body (Interior and Exterior) — 119Body Electrical System — 98Heating, Ventilation, and Air Conditioning — 27
5steps
~30min
2/5difficulty
Done 0 of 5

Components and Component Location

Components

Front Seat Heater

1. Front Seat Heater Unit
2. Front Seat Heater Element		 3. Front Seat Back Heater.
4. Front Seat Cushion Heater.

Rear Seat Heater

1. Rear Seat Heater Unit 2. Rear Seat Cushion Heater.

Circuit Diagrams

Wiring Diagram

Front Seat

No. Connector A
1 Battery (+)
2 Battery (+)
3 Right Seat Heater (+)
4 Right Seat Heater Indicator (Low)
5 Right Seat Heater Indicator (Medium)
6 Right Seat Heater Indicator (High)
7 Right Seat NTC (+)
8 -
9 Right Seat Heater Switch
10 -
11 Right Seat NTC (-)
12 Right Seat Heater (-)
13 Ground
14 IGN1
15 IGN2
16 Left Seat Heater (+)
17 Left Seat Heater Indicator (Low)
18 Driver's Seat Heater Indicator (Medium)
19 Driver's Seat Heater Indicator (High)
20 Driver's Seat NTC (+)
21 -
22 Driver's Seat Heater Switch
23 Latch
24 Driver's Seat NTC (-)
25 Driver's Seat Heater (-)
26 Ground

[Ventilation System]

No. Connector A Connector B Connector C
1 Driver's Seat Ventilation Switch NTC (-) Driver's Seat Cushion Heater Output
2 Passenger's Seat Ventilation Switch Right Seat Heater Indicator (High) Driver's Seat Back Heater Output
3 Passenger's Seat Ventilation Indicator (High) Left Seat Heater Indicator (Low) Passenger's Seat Cushion Heater Output
4 Driver's Seat Ventilation Indicator (Low) Right Seat Heater Switch Passenger's Seat Back Heater Output
5 Passenger's Seat Fan Speed Right Seat Heater Indicator (Low) Driver's Seat Fan Output
6 Driver's Seat Fan Speed Right Seat Heater Indicator (Medium) Passenger's Seat Fan Output
7 Driver's Seat Ventilation Indicator (Medium) - Battery (+)
8 Driver's Seat Ventilation Indicator (High) Illumination (-) Driver's Seat Heater Ground
9 Latch Ground
10 Ventilation/Heater Unit_IGN 1 Passenger's Seat Heater Ground
11 -
12 Driver's Seat Heater Indicator (Medium)
13 Driver's Seat Heater Indicator (High)
14 Driver's Seat Heater Switch
15 Passenger's Seat Ventilation Indicator (Low)
16 Passenger's Seat Ventilation Indicator (Medium)
17 -
18 Right Seat NTC (+)
19 Driver's Seat NTC (+)
20 Ventilation/Heater Unit_IGN 2

[Rear Heater]

No. Connector A
1 Battery (+)
2 Battery (+)
3 Right Seat Heater (+)
4 Right Seat Heater Indicator (Low)
5 -
6 Right Seat Heater Indicator (High)
7 Right Seat NTC (+)
8 -
9 Right Seat Heater Switch
10 -
11 Right Seat NTC (-)
12 Passenger's Seat Heater Ground
13 Ground
14 IGN1
15 IGN2
16 Driver's Seat Heater Output
17 Left Seat Heater Indicator (Low)
18 -
19 Driver's Seat Heater Indicator (High)
20 Driver's Seat NTC (+)
21 -
22 Driver's Seat Heater Switch
23 Latch
24 Driver's Seat NTC (-)
25 Driver's Seat Heater Ground
26 Ground

Schematic Diagrams

Front Seat

[Heater]

[Ventilation System]

Rear Heater

Repair Procedures

Inspection

Driver/Passenger Seat Heater

  1. Check continuity and measure the resistance between the terminals.

    Standard Value

    Driver / Passenger (Cushion): 2.98 Ohm ± 10% / 22 °C

    Driver / Passenger (Rear): 3.80 Ohm ± 10% / 22 °C

    Driver / Passenger (Cushion + Back): 1.67 Ohm ± 10% / 22 °C

    No. Heater Ventilation
    1 - NTC (+)
    2 - -
    3 Heater Power NTC (-)
    4 NTC (+) Cushion Heater Power
    5 NTC (-) Rear Heater Output
    6 Ground Ground

Rear Seat Heater

  1. Check the circuit continuity and measure the resistance between terminals No. 1 and No. 4.

    Standard Value: 3.74 Ohm ± 10% / 22 °C

Removal

Driver / Passenger Seat Heater Unit

  1. Remove the passenger seat cushion.

    (Refer to Body - "Front Seat Cushion Cover")

  2. Remove the cover (A) after loosening the bolts.

  3. Remove the heater unit (B) by loosening the screws after disconnecting the connector (A).

Rear Seat Heater Unit

  1. Remove the rear seat cushion.

    (Refer to Body - "Rear Seat Cushion Cover")

  2. Remove the rear seat heater unit (B) after disconnecting the connector (A).

Installation

  1. Install in the reverse order of removal.

Test yourself

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