Note
If the main body ECU (multiplex network body ECU) is replaced, refer to the 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 | See page |
|---|---|---|
| Wireless control function and entry function do not operate | Proceed to "All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate" | |
| Wireless control function does not operate but entry function operates | Replace electrical key transmitter | - |
| Only answer-back function does not operate | Proceed to "No Answer-Back" | |
| Only automatic lock function does not operate | Proceed to "Door Courtesy Switch Circuit" | |
| Proceed to "Back Door Courtesy Switch Circuit" | ||
| Back window lock assembly (w/ Glass Hatch Opener System) | ||
| Main body ECU (multiplex network body ECU) | ||
| Only illuminated entry function does not operate | Lighting system (INT) | |
| Only door ajar warning function does not operate | Check customize setting (Open Door Warning) | |
| Proceed to "Door Courtesy Switch Circuit" | ||
| Proceed to "Back Door Courtesy Switch Circuit" | ||
| Back window lock assembly (w/ Glass Hatch Opener System) | ||
| Main body ECU (multiplex network body ECU) | ||
| Only glass hatch open function does not operate (w/ Glass Hatch Opener System) | Glass hatch opener system | |
| Only memory call function does not operate (w/ Memory) | Front power seat control system |