Problem Symptoms Table
WARNING: This page is about a different car, the 2011 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
If a normal system code is displayed during the DTC check, but the problem still occurs, check the circuits for each problem symptom in the order given in the table below and proceed to the relevant troubleshooting service information.
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.
WIRELESS DOOR LOCK CONTROL SYSTEM
| Symptom | Suspected Area | See procedure |
|---|---|---|
| Only wireless control function is inoperative | Proceed to "Only wireless control function is inoperative" | Refer to Only Wireless Control Function is Inoperative |
| Answer-back function only does not operate normally. | Proceed to "No answer-back" | Refer to No Answer-Back |
| Automatic lock function only does not operate normally. | Perform the operation check | Refer to OPERATION CHECK |
| Key reminder warning system (unlock warning switch circuit) | Refer to OPERATION CHECK | |
| Lighting system (door courtesy light switch circuit) | Refer to Door Courtesy Switch Circuit | |
| Main body ECU | - | |
| Luggage compartment door open function only does not operate | Perform operation check | Refer to OPERATION CHECK |
| Luggage compartment door lock assembly | Refer to INSPECTION | |
| Main body ECU | - | |
| Wire harness or connector | - | |
| Illuminated entry function only does not operate. | Perform the operation check | Refer to OPERATION CHECK |
| Lighting system (illuminated entry function) | Refer to PROBLEM SYMPTOMS TABLE | |
| Main body ECU | - | |
| Door ajar warning function only does not operate | Perform the operation check | Refer to OPERATION CHECK |
| Lighting system (door courtesy light switch circuit) | Refer to Door Courtesy Switch Circuit | |
| Main body ECU | - | |
| Panic alarm function only does not operate | Perform operation check | Refer to OPERATION CHECK |
| Horn system | - | |
| Main body ECU | - |