If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the seat heater system may not operate.
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 |
|---|---|---|
| Front seat heater does not operate for driver side and front passenger side seat | Air conditioning amplifier assembly | - |
| S/HTR FR RELAY | - | |
| LIN Communication Line | 202111,999999,_58,_111839,_0505696,RM100000001ZODQ,
|
|
| Front seat heater switch (Refreshing seat switch) | - | |
| Wire harness or connector | - | |
| Seat heater for front right seat does not operate | Refer to the "Seat Heater for Front Right Seat does not Operate". | 202111,202203,_58,_111839,_0505696,RM100000001ZOE1,202203,999999,_58,_111839,_0505696,RM1000000022KWE,
|
| Seat heater for front left seat does not operate | Refer to the "Seat Heater for Front Left Seat does not Operate". | 202111,202203,_58,_111839,_0505696,RM100000001ZOE2,202203,999999,_58,_111839,_0505696,RM1000000022KWF,
|