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

Hyundai Venue (QX) (2020-2026) 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

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