Note
As the door control battery is installed between the vehicle battery and main body ECU (multiplex network body ECU), first perform the inspections in On-Vehicle Inspection to confirm that there are no malfunctions in the power source circuit for the main body ECU (multiplex network body ECU) before performing this troubleshooting procedure.*
*: w/o Canister Pump Module with Door Ajar Warning Function
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 |
|---|---|---|
| Key-linked or wireless transmitter-linked function does not operate | Sliding roof ECU (Sliding roof drive gear assembly) | |
| Power window control system | - | |
| Main body ECU (Multiplex network body ECU) | - | |
| Key-off operation function operates even if operating conditions are not satisfied | Sliding roof ECU (Sliding roof drive gear assembly) | |
| Roof sunshade ECU (Sliding roof drive gear assembly) | - | |
| Main body ECU (Multiplex network body ECU) | - | |
| Panoramic moon roof system does not operate | Sliding roof ECU (Sliding roof drive gear assembly) | |
| Roof sunshade ECU (Sliding roof drive gear assembly) | - | |
| Map light assembly | - | |
| Wire harness or connector | - |