Hyundai Venue (QX): Seat Electrical / Seat Heater. Repair procedures

Hyundai Venue (QX) (2020-2025) Service Manual / Body Electrical System / Seat Electrical / Seat Heater. Repair procedures

Inspection
Front Seat Heater
1.
Check for continuity and measure the resistance between terminals No 3 and No 6.
Standard value
Driver / Assists (cushion + back) :
Seat Back : 3.13Ω ± 10%
Seat Cushion : 1.17Ω ± 10%

Hyundai Venue. Seat Heater. Repair procedures

No
Description
1
 -
2
 -
3
 Heater power
4
 NTC (+)
5
 NTC (-)
6
 GND

2.
Operate the seat heater after connecting the connector, and then check the thermostat by measuring the temperature of seat surface.
Standard value
1st : cushion : 36±2°C, back : 40±2°C
2st : cushion : 39±2°C, back : 45±2°C
3st : cushion : 42±2°C, back : 50±2°C
Removal
[Drive / Passenger Seat Heater Unit]
1.
Remove the passenger seat.
(Refer to Body - "Front Seat Assembly")
2.
Disconnect the connector (A) and then remove the seat heater unit (B).

Hyundai Venue. Seat Heater. Repair procedures
[Seat Heater Pad]
1.
Remove the passenger seat.
(Refer to Body - "Front Seat Assembly")
2.
Remove the front seat cushion/ back cover.
(Refer to Body - "Front Seat Back Cover")
(Refer to Body - "Front Seat Cushion Cover")
3.
Disconnect the heater pad from front seat cushion/back.
[Cushion]

Hyundai Venue. Seat Heater. Repair procedures

[Back]

Hyundai Venue. Seat Heater. Repair procedures
Installation
[Drive / Passenger Seat Heater Unit]
1.
Install the seat heater unit.
2.
Install the passenger seat assembly.
[Seat Heater Pad]
1.
Install the seat cushion/back heater pad.
2.
Install the seat cushion/back cover.
3.
Install the front seat assembly.

    Circuit Diagram [Front Seat Heater] NO Description 1 ECU Battery(+) 2 ECU Battery(+) 3 Passenger heater power 4 Passenger NTC (+) 5 Passenger heater indicator (Low) 6 - 7 Passenger heater indicator (High) 8 - 9 ILL (-) 10 Passenger heater switch 11 Passenger NTC (-) 12 Passenger heater GND 13 ECU GND 14 IGN 1 15 IGN 2 16 Drive heater power 17 Drive NTC (+) 18 Drive heater indicator (Low) 19 - 20 Drive heater indicator (High) 21 - 22 DETENT 23 Drive heater switch 24 Drive NTC (-) 25 Drive heater GND 26 ECU GND

    Components [Front Seat] 1. Driver seat heater switch 2. Passenger seat heater switch

    Other information:

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    Hyundai Venue (QX) (2020-2025) Service Manual: Heater Unit. Components and components location

    Component Location 1. Heater unit assembly Compoents 1. Mode control actuator 2. Heater core case 3. Center duct seal 4. PTC heater 5. Heater core assembly 6. Heater case [LH] 7.

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