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 |
|---|---|---|
| Only wireless control function is inoperative | Proceed to "Only wireless control function is inoperative" | |
| Only answer-back function does not operate normally | Proceed to "No answer-back" | |
| Only automatic lock function does not operate normally | Perform the operation check | |
| Key reminder warning system | ||
| Lighting system (front door courtesy light switch circuit) | ||
| Lighting system (rear door courtesy light switch circuit) | ||
| Main body ECU (multiplex network body ECU) | - | |
| Only illuminated entry function does not operate | Perform the operation check | |
| Lighting system | ||
| Main body ECU (multiplex network body ECU) | - | |
| Only door ajar warning function does not operate | Perform the operation check | |
| Lighting system (front door courtesy light switch circuit) | ||
| Lighting system (rear door courtesy light switch circuit) | ||
| Main body ECU (multiplex network body ECU) | - | |
| Only luggage compartment door open function does not operate | Perform operation check | |
| Wire harness or connector | - | |
| Door control transmitter | - | |
| Main body ECU (multiplex network body ECU) | - |