Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Seat heater does not operate (seat cushion and seatback portion). | Harness or connector | - |
| Rear power seat switch (rear No. 1 LH) | 201906,999999,_58,_078601,_0396329,RM100000001IGZQ,
|
|
| Rear seat cushion heater assembly (rear No. 1 LH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Rear seat climate control ECU (rear No. 1 LH) | 201906,202310,_58,_078601,_0396333,RM100000001IH05,202310,999999,_58,_078601,_0396333,RM100000002EPPR,
|
|
| Only seat heater of seat cushion portion does not operate. | Harness or connector | - |
| Rear seat cushion heater assembly (rear No. 1 LH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Only seat heater of seatback portion does not operate. | Harness or connector | - |
| Seatback heater assembly (rear No. 1 LH) | 201906,999999,_58,_078601,_0396331,RM100000001IGZY,
|
|
| Rear seat cushion heater assembly (rear No. 1 LH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Seat heater indicator light does not illuminate. | Harness or connector | - |
| Rear power seat switch (rear No. 1 LH) | 201906,999999,_58,_078601,_0396329,RM100000001IGZQ,
|
|
| Rear seat climate control ECU (rear No. 1 LH) | 201906,202310,_58,_078601,_0396333,RM100000001IH05,202310,999999,_58,_078601,_0396333,RM100000002EPPR,
|
| Symptom | Suspected Area | Link |
|---|---|---|
| Seat heater does not operate (seat cushion and seatback portion). | Harness or connector | - |
| Rear power seat switch (rear No. 1 RH) | 201906,999999,_58,_078601,_0396329,RM100000001IGZQ,
|
|
| Rear seat cushion heater assembly (rear No. 1 RH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Rear seat climate control ECU (rear No. 1 RH) | 201906,202310,_58,_078601,_0396333,RM100000001IH05,202310,999999,_58,_078601,_0396333,RM100000002EPPR,
|
|
| Only seat heater of seat cushion portion does not operate. | Harness or connector | - |
| Rear seat cushion heater assembly (rear No. 1 RH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Only seat heater of seatback portion does not operate. | Harness or connector | - |
| Seatback heater assembly (rear No. 1 RH) | 201906,999999,_58,_078601,_0396331,RM100000001IGZY,
|
|
| Rear seat cushion heater assembly (rear No. 1 RH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Seat heater indicator light does not illuminate. | Harness or connector | - |
| Rear power seat switch (rear No. 1 RH) | 201906,999999,_58,_078601,_0396329,RM100000001IGZQ,
|
|
| Rear seat climate control ECU (rear No. 1 RH) | 201906,202310,_58,_078601,_0396333,RM100000001IH05,202310,999999,_58,_078601,_0396333,RM100000002EPPR,
|
| Symptom | Suspected Area | Link |
|---|---|---|
| Seat heater does not operate (seat cushion and seatback portion). | Harness or connector | - |
| Rear power seat switch (rear No. 2 LH) | 201906,999999,_58,_078601,_0396329,RM100000001IGZQ,
|
|
| Rear seat cushion heater assembly (rear No. 2 LH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Rear seat climate control ECU (rear No. 2 LH) | 201906,202310,_58,_078601,_0396333,RM100000001IH05,202310,999999,_58,_078601,_0396333,RM100000002EPPR,
|
|
| Only seat heater of seat cushion portion does not operate. | Harness or connector | - |
| Rear seat cushion heater assembly (rear No. 2 LH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Only seat heater of seatback portion does not operate. | Harness or connector | - |
| Seatback heater assembly (rear No. 2 LH) | 201906,999999,_58,_078601,_0396331,RM100000001IGZY,
|
|
| Rear seat cushion heater assembly (rear No. 2 LH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Seat heater indicator light does not illuminate. | Harness or connector | - |
| Rear power seat switch (rear No. 2 LH) | 201906,999999,_58,_078601,_0396329,RM100000001IGZQ,
|
|
| Rear seat climate control ECU (rear No. 2 LH) | 201906,202310,_58,_078601,_0396333,RM100000001IH05,202310,999999,_58,_078601,_0396333,RM100000002EPPR,
|
| Symptom | Suspected Area | Link |
|---|---|---|
| Seat heater does not operate (seat cushion and seatback portion). | Harness or connector | - |
| Rear power seat switch (rear No. 2 RH) | 201906,999999,_58,_078601,_0396329,RM100000001IGZQ,
|
|
| Rear seat cushion heater assembly (rear No. 2 RH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Rear seat climate control ECU (rear No. 2 RH) | 201906,202310,_58,_078601,_0396333,RM100000001IH05,202310,999999,_58,_078601,_0396333,RM100000002EPPR,
|
|
| Only seat heater of seat cushion portion does not operate. | Harness or connector | - |
| Rear seat cushion heater assembly (rear No. 2 RH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Only seat heater of seatback portion does not operate. | Harness or connector | - |
| Seatback heater assembly (rear No. 2 RH) | 201906,999999,_58,_078601,_0396331,RM100000001IGZY,
|
|
| Rear seat cushion heater assembly (rear No. 2 RH) | 201906,999999,_58,_078601,_0396332,RM100000001IH02,
|
|
| Seat heater indicator light does not illuminate. | Harness or connector | - |
| Rear power seat switch (rear No. 2 RH) | 201906,999999,_58,_078601,_0396329,RM100000001IGZQ,
|
|
| Rear seat climate control ECU (rear No. 2 RH) | 201906,202310,_58,_078601,_0396333,RM100000001IH05,202310,999999,_58,_078601,_0396333,RM100000002EPPR,
|