Problem Symptoms Table [11/2018 - 10/2019]
NOTE:
If the main body ECU (multiplex network body ECU) is replaced, refer to the Smart Key System (for Start Function).*
for HV Model:
Refer to REGISTRATION [11/2018 - 10/2019]
for Gasoline Model:
Refer to REGISTRATION [11/2018 - 10/2019]
*: w/ Smart Key System
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 | Link |
|---|---|---|
| All doors lock/unlock functions do not operate via door key cylinder. | Main body ECU (Multiplex network body ECU) | Refer to All Doors LOCK/UNLOCK Functions do not Operate Via Door Key Cylinder [11/2018 - 10/2023] |
| Front door with motor lock assembly (for Driver Side) | ||
| Harness or connector | ||
| All doors lock/unlock functions do not operate via master switch. | Main body ECU (Multiplex network body ECU) | Refer to All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch [11/2018 - 10/2023] |
| Multiplex network master switch assembly | ||
| All doors lock/unlock functions do not operate via door control switch.*5 | Main body ECU (Multiplex network body ECU) | Refer to All Doors LOCK/UNLOCK Functions do not Operate Via Door Control Switch [11/2018 - 10/2023] |
| Door control switch assembly | ||
| Harness or connector | ||
| Instrument panel junction block assembly | ||
| All doors lock function do not operate via door control switch and door key cylinder. | Instrument panel junction block assembly | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| All doors unlock function do not operate via door control switch and door key cylinder. | Instrument panel junction block assembly | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Only driver door lock/unlock functions do not operate. | Front door with motor lock assembly (for Driver Side) | Refer to INSPECTION [11/2018 - ] |
| Harness or connector | - | |
| Instrument panel junction block assembly | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Only driver door unlock function does not operate (lock function operates). | Front door with motor lock assembly (for Driver Side) | Refer to INSPECTION [11/2018 - ] |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Instrument panel junction block assembly | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Only front passenger door lock/unlock functions do not operate. | Front door with motor lock assembly (for Front Passenger Side) | Refer to INSPECTION [11/2018 - ] |
| Harness or connector | - | |
| Only rear door (for Driver Side) lock/unlock functions do not operate. | Rear door lock with motor assembly (for Driver Side) | Refer to INSPECTION [11/2018 - 08/2020] |
| Harness or connector | - | |
| Instrument panel junction block assembly | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Only rear door (for Front Passenger Side) lock/unlock functions do not operate. | Rear door lock with motor assembly (for Front Passenger Side) | Refer to INSPECTION [11/2018 - 08/2020] |
| Harness or connector | - | |
| Speed-sensitive automatic door lock function does not operate (meter/gauge system operates normally). (for HV Model) | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 02/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Speed-sensitive automatic door lock function does not operate (meter/gauge system operates normally). (for Gasoline Model) | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Shift-linked automatic door lock/unlock functions do not operate (hybrid transaxle system operates normally). (for HV Model) | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 02/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Hybrid vehicle control ECU | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Shift-linked automatic door lock/unlock functions do not operate (automatic transmission system operates normally). (for Gasoline Model) | CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - ] |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| ECM | Refer to REMOVAL [11/2018 - 08/2020] | |
| Key lock-in prevention function does not operate. | Front door courtesy light switch assembly LH | Refer to Door Courtesy Switch Circuit [11/2018 - 10/2023] |
| Front door courtesy light switch assembly RH | Refer to Door Courtesy Switch Circuit [11/2018 - 10/2023] | |
| Rear door courtesy light switch assembly LH | Refer to Door Courtesy Switch Circuit [11/2018 - 10/2023] | |
| Rear door courtesy light switch assembly RH | Refer to Door Courtesy Switch Circuit [11/2018 - 10/2023] | |
| Front door with motor lock assembly LH | Refer to INSPECTION [11/2018 - ] | |
| Front door with motor lock assembly RH | Refer to INSPECTION [11/2018 - ] | |
| Rear door lock with motor assembly LH | Refer to INSPECTION [11/2018 - 08/2020] | |
| Rear door lock with motor assembly RH | Refer to INSPECTION [11/2018 - 08/2020] | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Instrument panel junction block assembly | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Only back door open function does not operate.*1 | Power back door system (for HV Model) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 10/2023] |
| Power back door system (for Gasoline Model) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 10/2023] | |
| Only back door open function does not operate.*2 | Smart key system (for Entry Function) | Refer to Only Back Door cannot be Opened [11/2018 - 10/2023] |
| Back door opener switch assembly | ||
| Back door lock assembly with courtesy light switch | ||
| Harness or connector | ||
| Instrument panel junction block assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Lock operation continues even after doors have been locked.*3 | Front door with motor lock assembly LH | Refer to INSPECTION [11/2018 - ] |
| Front door with motor lock assembly RH | Refer to INSPECTION [11/2018 - ] | |
| Rear door lock with motor assembly LH | Refer to INSPECTION [11/2018 - 08/2020] | |
| Rear door lock with motor assembly RH | Refer to INSPECTION [11/2018 - 08/2020] | |
| Harness or connector | - | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| Instrument panel junction block assembly | Refer to REMOVAL [11/2018 - 02/2019] , or refer to REMOVAL [02/2019 - 10/2019] | |
| All doors LOCK/UNLOCK functions do not operate.*6 | Door control battery | Refer to Power Source Circuit [11/2018 - 08/2020] |
| Harness or connector | ||
| Instrument panel junction block assembly | ||
| Main body ECU (Multiplex network body ECU) | ||
| Only remote door LOCK/UNLOCK functions do not operate (power door lock operation is normally).*4 | Telematics system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2018 - 02/2019] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [02/2019 - 10/2019] |
- *1: w/ Power Back Door System
- *2: w/o Power Back Door System
- *3: When the door unlock detection switch detects an unlock position signal after a door lock operation has been performed, a door lock operation will be performed 2 times.
- *4: for Toyota Entune Remote Connect Compatible Type
- *5: w/ Door Control Switch Assembly
- *6: w/ Door Control Battery