Circuit/System Description
WARNING: This page is about a different car, the 2019 Chevrolet Malibu. However, it is still accessible from the selected car via links, so may be relevant.
For an overview of the component/system, refer to: Rear Heated Seats Description and Operation
| Circuit | Description |
|---|---|
| B+ - Terminal 7 X1@K29R Seat Heating Control Module - Rear | Supplied from a fuse. |
| B+ - Terminal 10 X1@K29R Seat Heating Control Module - Rear | Supplied from a fuse. |
| Signal - Left Rear Seat Cushion Temperature Sensor | The control module input circuit has an internal resistance connected to 5 V.The input signal is used to control the following component:E14F Seat Heating Element - Left Rear Cushion |
| Signal - Right Rear Seat Cushion Temperature Sensor | The control module input circuit has an internal resistance connected to 5 V.The input signal is used to control the following component:E14H Seat Heating Element - Right Rear Cushion |
| Low Reference - Seat Temperature Sensor | Grounded through the control module. |
| Control - E14 Seat Heating Element | The output circuit is switched to 12 V to activate the component. |
| Control - E14 Seat Heating Element | The output circuit is switched to ground to activate the component. |
| Ground - K29R Seat Heating Control Module - Rear | Chassis Ground |
| Component | Description |
|---|---|
| K9 Body Control Module | Depending on the version, the control module can support different functions:Front Seat Heating/Venting/Cooling & Rear Seat Heating The control module also reads various switches and sensors and makes their values available via serial data. |
| K29R Seat Heating Control Module - Rear | Depending on the version, the control module can support different functions:Seat HeatingorSeat Heating/Venting/Cooling |
| E14 Seat Heating Element | The seats have 2 built-in resistor loops that heat the cushion and the seat back. |