Problem Symptoms Table [08/2013 - ]
WARNING: This page is about a different car, the 2018 Toyota Corolla, 2017 Toyota Corolla, 2016 Toyota Corolla, 2015 Toyota Corolla, and 2014 Toyota Corolla. However, it is still accessible from the selected car via links, so may be relevant.
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 | Link |
|---|---|---|
| Wireless control function and entry function do not operate | Proceed to "All Door Entry Lock / Unlock Functions and Wireless Functions do not Operate" | Refer to All Door Entry Lock/Unlock Functions and Wireless Functions do not Operate [08/2013 - ] |
| Wireless control function does not operate but entry function operates | Electrical key transmitter sub-assembly | - |
| Only answer-back function does not operate properly | Proceed to "No answer-back" | Refer to No Answer-Back [08/2013 - ] |
| Only automatic lock function does not operate properly | Perform operation check | Refer to OPERATION CHECK [08/2013 - ] |
| Lighting system (Front door courtesy light switch circuit) | Refer to Front Door Courtesy Switch Circuit [08/2013 - ] | |
| Lighting system (Rear door courtesy light switch circuit) | Refer to Rear Door Courtesy Switch Circuit [08/2013 - ] | |
| Main body ECU (Multiplex network body ECU) | - | |
| Only illuminated entry function does not operate | Perform operation check | Refer to OPERATION CHECK [08/2013 - ] |
| Lighting system | Refer to OPERATION CHECK [08/2013 - 08/2017] Refer to OPERATION CHECK [08/2017 - ] | |
| Main body ECU (Multiplex network body ECU) | - | |
| Only door ajar warning function does not operate | Perform operation check | Refer to OPERATION CHECK [08/2013 - ] |
| Lighting system (Front door courtesy light switch circuit) | Refer to Front Door Courtesy Switch Circuit [08/2013 - ] | |
| Lighting system (Rear door courtesy light switch circuit) | Refer to Rear Door Courtesy Switch Circuit [08/2013 - ] | |
| Main body ECU (Multiplex network body ECU) | - | |
| Only panic alarm function does not operate | Perform operation check | Refer to OPERATION CHECK [08/2013 - ] |
| Lighting system (Int) (Interior lights) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - 08/2016] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] | |
| Lighting system (Ext) (Headlights, taillights, hazard warning lights) | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - 08/2016] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] | |
| Theft deterrent system (Vehicle horns) | Refer to PROBLEM SYMPTOMS TABLE [08/2013 - ] | |
| Main body ECU (Multiplex network body ECU) | - | |
| Only luggage compartment door open function does not operate | Perform operation check | Refer to OPERATION CHECK [08/2013 - ] |
| Smart key system (for Entry Function) (Entry luggage compartment open function) |
Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2013 - 08/2016] Refer to HOW TO PROCEED WITH TROUBLESHOOTING [08/2016 - ] | |
| Electrical key transmitter sub-assembly | - | |
| Main body ECU (Multiplex network body ECU) | - |