FRONT POWER SEAT CONTROL SYSTEM 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 and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | See page |
|---|---|---|
| All functions do not operate*1 | Front power seat switch RH | |
| Wire harness or connector | - | |
| Only slide function does not operate*1 | Front power seat switch RH | |
| Slide motor (separate type front seat cushion spring assembly) | ||
| Wire harness or connector | - | |
| Only front vertical function does not operate*1 | Front power seat switch RH | |
| Front vertical motor (separate type front seat cushion spring assembly) | ||
| Wire harness or connector | - | |
| Only lifter function does not operate*1 | Front power seat switch RH | |
| Lifter motor (separate type front seat cushion spring assembly) | ||
| Wire harness or connector | - | |
| Only reclining function does not operate*1 | Front power seat switch RH | |
| Reclining motor (separate type front seatback assembly) | ||
| Wire harness or connector | - | |
| Only lumbar support adjustment function does not operate*1 | Power seat switch assembly | |
| Front power seat switch RH | ||
| Lumbar support adjuster assembly (separate type front seatback assembly) | ||
| Wire harness or connector | - | |
| Lumbar support operation function does not operate*2*3 | Lumbar switch | |
| Front power seat assembly (front lumbar support adjuster assembly) | ||
| Wire harness or connector | - |
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*1: for RHD, Power Seat
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*2: for LHD
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*3: for RHD, Manual Seat