Problem Symptoms Table
HINT:
- 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 | See page |
|---|---|---|
Climate control seat system does not operate |
Refreshing seat switch |
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Harness or connector |
- |
|
Seat heater LH does not operate |
Refreshing seat switch |
|
Seat heater control sub-assembly LH |
|
|
Front seat cushion heater assembly LH |
|
|
Front seatback heater assembly LH |
|
|
Harness or connector |
- |
|
Seat heater RH does not operate |
Refreshing seat switch |
|
Seat heater control sub-assembly RH |
|
|
Front seat cushion heater assembly RH |
|
|
Front seatback heater assembly RH |
|
|
Harness or connector |
- |
|
One or both blowers do not operate (LH) |
Refreshing seat switch |
|
Seat cushion climate control blower LH |
- |
|
Seatback climate control blower LH |
- |
|
Air conditioning amplifier assembly |
|
|
Harness or connector |
- |
|
One or both blowers do not operate (RH) |
Refreshing seat switch |
|
Seat cushion climate control blower RH |
- |
|
Seatback climate control blower RH |
- |
|
Air conditioning amplifier assembly |
|
|
Harness or connector |
- |
Test yourself
A quick Toyota 4Runner quiz: every answer comes with an explanation and a link to the manual page.