Note
Before replacing the main body ECU (multiplex network body ECU), refer to Service Bulletin.
Tech Tips
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 |
|---|---|---|
| Remote up / down function does not operate | LIN communication system | |
| Multiplex network master switch assembly | - | |
| Power window regulator motor assembly (for front passenger door) | - | |
| Driver side power window does not operate with power window master switch | LIN communication system | |
| Power window regulator motor assembly (for driver door) | - | |
| Multiplex network master switch assembly | - | |
| Main body ECU (Multiplex network body ECU) | - | |
| Wire harness or connector | - | |
| Front passenger side power window does not operate with front passenger side power window switch | LIN communication system | |
| Power window regulator motor assembly (for front passenger door) | - | |
| Power window regulator switch assembly | - | |
| Main body ECU (Multiplex network body ECU) | - | |
| Wire harness or connector | - | |
| Driver side power window auto up / down function does not operate with power window master switch | LIN communication system | |
| Power window regulator motor assembly (for driver door) | - | |
| Multiplex network master switch assembly | - | |
| Window position initialization | - | |
| Wire harness or connector | - | |
| Front passenger side power window auto up / down function does not operate with front passenger side power window switch | Power window regulator motor assembly (for front passenger door) | |
| Power window regulator switch assembly | - | |
| Window position initialization | - | |
| Wire harness or connector | - | |
| All power windows do not operate with driver side door key cylinder or wireless transmitter | LIN communication system | |
| Wireless door lock control system | - | |
| Power door lock control system | - | |
| Main body ECU (Multiplex network body ECU) | - | |
| Key-off operation function operates even if operating conditions are not satisfied | LIN communication system | |
| Lighting system | - | |
| Power window regulator motor assembly (for driver door) | - | |
| Power window regulator motor assembly (for front passenger door) | - | |
| Main body ECU (Multiplex network body ECU) | - | |
| Auto up operation does not fully close power window (jam protection function is activated) | Window position initialization (applicable location) | |
| Improper installation (applicable location) | - | |
| Power window regulator motor assembly (for driver door) | - | |
| Power window regulator motor assembly (for front passenger door) | - | |
| Auto down operation does not fully open power window (catch protection function is activated) | Window position initialization (applicable location) | |
| Improper installation (applicable location) | - | |
| Power window regulator motor assembly (for driver door) | - | |
| Power window regulator motor assembly (for front passenger door) | - | |
| Jam protection function does not operate | Window position initialization (applicable location) | |
| Power window regulator motor assembly (for driver door) | - | |
| Power window regulator motor assembly (for front passenger door) | - | |
| Driver Side Door-linked Window Control does not Operate | Proceed to "Driver Side Door-linked Window Control does not Operate" | |
| Front Passenger Side Door-linked Window Control does not Operate | Proceed to "Front Passenger Side Door-linked Window Control does not Operate" | |
| Power windows do not operate using all window switch | Main body ECU (Multiplex network body ECU) |