Tech Tips
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Seat heater does not operate for driver side and front passenger side seat | Harness or connector | - |
| Refreshing seat switch | ||
| Driver side seat heater does not operate | Harness or connector | - |
| Refreshing seat switch | ||
| Front seat cushion heater assembly LH*1 | ||
| Front seat cushion heater assembly RH*2 | ||
| Front seatback heater assembly LH*1 | ||
| Front seatback heater assembly RH*2 | ||
| Seat heater control sub-assembly LH*1 | ||
| Seat heater control sub-assembly RH*2 | ||
| Front passenger side seat heater does not operate | Harness or connector | - |
| Refreshing seat switch | ||
| Front seat cushion heater assembly RH*1 | ||
| Front seat cushion heater assembly LH*2 | ||
| Front seatback heater assembly RH*1 | ||
| Front seatback heater assembly LH*2 | ||
| Seat heater control sub-assembly RH*1 | ||
| Seat heater control sub-assembly LH*2 | ||
| Rear LH side seat heater does not operate*3 | Harness or connector | - |
| Rear power seat switch LH (w/ Rear Climate Control Seat) | ||
| Rear power seat switch LH (w/o Rear Climate Control Seat) | ||
| Seat heater assembly LH (for Seat Cushion Side) (w/ Rear Climate Control Seat) | ||
| Seat heater assembly LH (for Seat Cushion Side) (w/o Rear Climate Control Seat) | ||
| Seat heater assembly LH (for Seatback Side) (w/ Rear Climate Control Seat) | ||
| Seat heater assembly LH (for Seatback Side) (w/o Rear Climate Control Seat) | ||
| Rear seat climate control ECU LH (w/ Rear Climate Control Seat) | ||
| Rear seat climate control ECU LH (w/o Rear Climate Control Seat) | ||
| Rear RH side seat heater does not operate*3 | Harness or connector | - |
| Rear power seat switch RH (w/ Rear Climate Control Seat) | ||
| Rear power seat switch RH (w/o Rear Climate Control Seat) | ||
| Seat heater assembly RH (for Seat Cushion Side) (w/ Rear Climate Control Seat) | ||
| Seat heater assembly RH (for Seat Cushion Side) (w/o Rear Climate Control Seat) | ||
| Seat heater assembly RH (for Seatback Side) (w/ Rear Climate Control Seat) | ||
| Seat heater assembly RH (for Seatback Side) (w/o Rear Climate Control Seat) | ||
| Rear seat climate control ECU RH (w/ Rear Climate Control Seat) | ||
| Rear seat climate control ECU RH (w/o Rear Climate Control Seat) | ||
| The seat refreshing switch indicator light (yellow) (driver side) does not illuminate | Harness or connector | - |
| Refreshing seat switch | ||
| The seat refreshing switch indicator light (yellow) (front passenger side) does not illuminate | Harness or connector | - |
| Refreshing seat switch | ||
| Rear LH side seat heater indicator light does not illuminate*3 | Harness or connector | - |
| Rear power seat switch LH (w/ Rear Climate Control Seat) | ||
| Rear power seat switch LH (w/o Rear Climate Control Seat) | ||
| Rear RH side seat heater indicator light does not illuminate*3 | Harness or connector | - |
| Rear power seat switch RH (w/ Rear Climate Control Seat) | ||
| Rear power seat switch RH (w/o Rear Climate Control Seat) |
*1: for LHD
*2: for RHD
*3: w/ Rear Seat Heater