SEAT HEATER SYSTEM PROBLEM SYMPTOMS TABLE
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 (for LH Seat) |
Heater switch assembly |
|
Check the thermostat |
||
Front seat cushion heater LH (Separate type front seat cushion pad) |
||
Front seatback heater LH (Separate type front seatback pad) |
||
Seat heater control sub-assembly |
||
Wire harness or connector |
- |
|
Seat heater does not operate (for RH Seat) |
Heater switch assembly |
|
Check the thermostat |
||
Front seat cushion heater RH (Separate type front seat cushion pad) |
||
Front seatback heater RH (Separate type front seatback pad) |
||
Seat heater control sub-assembly |
||
Wire harness or connector |
- |
|
Seat heater is excessively hot (for LH Seat) |
Check the thermostat |
|
Front seat cushion heater LH (Separate type front seat cushion pad) |
||
Front seatback heater LH (Separate type front seatback pad) |
||
Seat heater is excessively hot (for RH Seat) |
Check the thermostat |
|
Front seat cushion heater RH (Separate type front seat cushion pad) |
||
Front seatback heater RH (Separate type front seatback pad) |
||
Seat heater timer does not operate (for LH Seat) |
Check the seat heater timer function |
|
Front seat cushion heater LH (Separate type front seat cushion pad) |
||
Front seatback heater LH (Separate type front seatback pad) |
||
Seat heater timer does not operate (for RH Seat) |
Check the seat heater timer function |
|
Front seat cushion heater RH (Separate type front seat cushion pad) |
||
Front seatback heater RH (Separate type front seatback pad) |