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.
FRONT POWER SEAT CONTROL SYSTEM
| Symptom | Suspected Area | Refer |
|---|---|---|
| Front Power Seat does not Operate with Front Power Seat Switch. | Position control ECU and switch assembly LH | Refer to Front Power Seat does not Operate with Front Power Seat Switch |
| Position control ECU and switch assembly RH | - | |
| Wire harness or connector | - | |
| One or more Power Seat Motors do not Operate | Multiplex communication system | Refer to One or more Power Seat Motors do not Operate |
| Front seat adjuster assembly LH | - | |
| Front seat adjuster assembly RH | - | |
| Front seat vertical adjuster assembly LH | - | |
| Front seat vertical adjuster assembly RH | - | |
| Position control ECU and switch assembly LH | - | |
| Position control ECU and switch assembly RH | - | |
| Wire harness or connector | - | |
| Power Seat Position is not Memorized | Multiplex communication system | Refer to Power Seat Position is not Memorized |
| Seat memory switch LH | - | |
| Seat memory switch RH | - | |
| Outer mirror control ECU assembly LH | - | |
| Outer mirror control ECU assembly RH | - | |
| Front seat adjuster assembly LH | - | |
| Front seat adjuster assembly RH | - | |
| Front seat vertical adjuster assembly LH | - | |
| Front seat vertical adjuster assembly RH | - | |
| Position control ECU and switch assembly LH | - | |
| Position control ECU and switch assembly RH | - | |
| Wire harness or connector | - | |
| Power Seat does not Return to Memorized Position | Multiplex communication system | Refer to Power Seat does not Return to Memorized Position |
| CAN communication system | - | |
| Outer mirror control ECU assembly LH | - | |
| Outer mirror control ECU assembly RH | - | |
| Front seat adjuster assembly LH | - | |
| Front seat adjuster assembly RH | - | |
| Front seat vertical adjuster assembly LH | - | |
| Front seat vertical adjuster assembly RH | - | |
| Park/Neutral position switch (model with automatic transmission) | - | |
| ECM | - | |
| Gateway ECU | - | |
| Parking brake switch (model with manual transmission) | - | |
| Main body ECU RH (cowl side junction block assembly RH) | - | |
| Position control ECU and switch assembly LH | - | |
| Position control ECU and switch assembly RH | - | |
| Wire harness or connector | - | |
| Wireless transmitter Memory Function does not Operate | Multiplex communication system | Refer to Wireless Transmitter Memory Function does not Operate |
| Smart access system with push-button start (for entry function) | - | |
| Wireless door lock control system | - | |
| Seat memory switch LH | - | |
| Seat memory switch RH | - | |
| Outer mirror control ECU assembly LH | - | |
| Outer mirror control ECU assembly RH | - | |
| Front door courtesy light switch assembly LH | - | |
| Front door courtesy light switch assembly RH | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Position control ECU and switch assembly LH | - | |
| Position control ECU and switch assembly RH | - | |
| Wire harness or connector | - | |
| Wireless-linked Return Function does not Operate | Multiplex communication system | Refer to Wireless-linked Return Function does not Operate |
| Smart access system with push-button start (for Entry function) | - | |
| Wireless door lock control system | - | |
| Front door courtesy light switch assembly LH | - | |
| Front door courtesy light switch assembly RH | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Position control ECU and switch assembly LH | - | |
| Position control ECU and switch assembly RH | - | |
| Wire harness or connector | - | |
| Switch/Operated "Front, Fold & Return" Seat Function does not Operate | Fold & return switch LH | Refer to Power Seat Power Easy Access System Function does not Operate |
| Fold & return switch RH | - | |
| Front seat inner belt assembly LH | - | |
| Front seat inner belt assembly RH | - | |
| Separate type front seat cushion assembly (occupant detection sensor) | - | |
| Front seat adjuster assembly LH | - | |
| Front seat adjuster assembly RH | - | |
| Front seat vertical adjuster assembly LH | - | |
| Front seat vertical adjuster assembly RH | - | |
| Position control ECU and switch assembly LH | - | |
| Position control ECU and switch assembly RH | - | |
| Wire harness or connector | - | |
| Lumbar Support Adjuster does not Operate | Lumbar switch LH | Refer to INSPECTION |
| Lumbar switch RH | Refer to INSPECTION | |
| Lumbar support adjuster LH | Refer to INSPECTION | |
| Lumbar support adjuster RH | Refer to INSPECTION | |
| Lumbar motor LH | Refer to INSPECTION | |
| Lumbar motor RH | Refer to INSPECTION | |
| Wire harness or connector | - |