FRONT POWER SEAT CONTROL SYSTEM (w/o Memory) PROBLEM SYMPTOMS TABLE
Tech Tips
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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.
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Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| All functions do not operate (except seat length function)*1 | Front power seat switch LH | |
| Wire harness or connector | - | |
| All functions do not operate*2 | Front power seat switch LH | |
| Wire harness or connector | - | |
| Only slide function does not operate | Front power seat switch LH | |
| Slide motor (front seat adjuster assembly LH) | ||
| Wire harness or connector | - | |
| Only front vertical function does not operate | Front power seat switch LH | |
| Front vertical motor (front seat adjuster assembly LH) | ||
| Wire harness or connector | - | |
| Only lifter function does not operate | Front power seat switch LH | |
| Lifter motor (front seat adjuster assembly LH) | ||
| Wire harness or connector | - | |
| Only reclining function does not operate | Front power seat switch LH | |
| Reclining motor (front seatback frame sub-assembly LH) | ||
| Wire harness or connector | - | |
| Only lumbar support adjustment function does not operate | Front power seat switch assembly LH | |
| Front power seat switch LH | ||
| Lumbar support adjuster assembly LH | ||
| Wire harness or connector | - | |
| Seat length function does not operate*1 | Seat variable cushion switch | |
| Seat length motor (front seat adjuster assembly LH) | ||
| Wire harness or connector | - |
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*1: w/ Seat Variable Cushion Switch
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*2: w/o Seat Variable Cushion Switch
| Symptom | Suspected Area | See page |
|---|---|---|
| All functions do not operate | Front power seat switch RH | |
| Wire harness or connector | - | |
| Only slide function does not operate | Front power seat switch RH | |
| Slide motor (front seat adjuster assembly RH) | ||
| Wire harness or connector | - | |
| Only front vertical function does not operate | Front power seat switch RH | |
| Front vertical motor (front seat adjuster assembly RH) | ||
| Wire harness or connector | - | |
| Only lifter function does not operate | Front power seat switch RH | |
| Lifter motor (front seat adjuster assembly RH) | ||
| Wire harness or connector | - | |
| Only reclining function does not operate | Front power seat switch RH | |
| Reclining motor (separate type front seatback spring assembly) | ||
| Wire harness or connector | - | |
| Only lumbar support adjustment function does not operate | Front power seat switch assembly RH | |
| Front power seat switch RH | ||
| Lumbar support adjuster assembly RH | ||
| Wire harness or connector | - |