Problem Symptoms Table
WARNING: This page is about a different car, the 2012 Lexus CT 200h. However, it is still accessible from the selected car via links, so may be relevant.
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 (W/ MEMORY)
| Symptom | Suspected Area | See |
|---|---|---|
| Front Power Seat does not Operate with Front Power Seat Switch. | Position control ECU and switch assembly | Refer to Front Power Seat does not Operate with Front Power Seat Switch |
| Wire harness or connector | - | |
| One or more Power Seat Motors do not Operate. | Separate type front seat cushion spring assembly | Refer to One or more Power Seat Motors do not Operate |
| Separate type front seat back spring assembly | - | |
| Lumber support adjustment switch (power seat switch assembly) | - | |
| Position control ECU and switch assembly | - | |
| Wire harness or connector | - | |
| Power Seat Position is not Memorized. | CAN communication system | Refer to Power Seat Position is not Memorized |
| Position control ECU and switch assembly | - | |
| Outer mirror control ECU assembly (for driver side) | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Seat memory switch | - | |
| Wire harness or connector | - | |
| Power Seat does not Return to Memorized Position. | CAN communication system | Refer to Power Seat does not Return to Memorized Position |
| Electronic shift lever system | - | |
| Lighting system (int) | - | |
| Position control ECU and switch assembly | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Outer mirror control ECU assembly (for driver side) | - | |
| Wireless Transmitter Memory Function does not Operate. | CAN communication system | Refer to Wireless Transmitter Memory Function does not Operate |
| Power door lock control system | - | |
| Lighting system (int) | - | |
| Smart access system with push-button start (for Start Function) | - | |
| Position control ECU and switch assembly | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Certification ECU (smart key ECU assembly) | - | |
| Wireless-linked Return Function does not Operate. | CAN communication system | Refer to Wireless-linked Return Function does not Operate |
| Wireless door lock control system | - | |
| Lighting system (int) | - | |
| Smart access system with push-button start (for Entry Function) | - | |
| Main body ECU (multiplex network body ECU) | - | |
| Position control ECU and switch assembly | - | |
| Certification ECU (smart key ECU assembly) | - |