Problem Symptoms Table [11/2016 - ]
NOTE:
- If the main body ECU (multiplex network body ECU) is replaced, refer to Registration.*
Refer to REGISTRATION [11/2016 - ]
- *: w/ Smart Key System
- When replacing the forward recognition camera, always replace it with a new one. If a forward recognition camera which was installed to another vehicle is used, the information stored in the forward recognition camera will not match the information from the vehicle. As a result, a DTC may be stored.
- If the forward recognition camera has been replaced with a new one, be sure to perform Forward Recognition Camera Learning.
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.
AUTOMATIC HIGH BEAM SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Automatic high beam indicator on the combination meter assembly does not illuminate | Check operating conditions | Refer to OPERATION CHECK [11/2016 - ] |
| Check meter / gauge system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [12/2013 - ] | |
| Automatic high beam switch circuit | Refer to Automatic High Beam Switch Circuit [11/2016 - ] | |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [12/2013 - ] | |
| Combination meter assembly | Refer to REMOVAL [12/2013 - ] | |
| Forward recognition camera | Refer to REMOVAL [11/2016 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2013 - ] | |
| Automatic high beam system does not operate | Check operating conditions | Refer to OPERATION CHECK [11/2016 - ] |
| Check Data List (Auto H Beam STS0) | Refer to DATA LIST / ACTIVE TEST [11/2016 - ] | |
| High beam headlight circuit | Refer to High Beam Headlight Circuit [11/2016 - ] | |
| Check automatic light control system operation | Refer to OPERATION CHECK [12/2013 - ] | |
| Automatic high beam switch circuit | Refer to Automatic High Beam Switch Circuit [11/2016 - ] | |
| Headlight dimmer switch circuit | Refer to Headlight Dimmer Switch Circuit [12/2013 - ] | |
| Forward recognition camera | Refer to REMOVAL [11/2016 - ] | |
| Main body ECU (Multiplex network body ECU) | Refer to REMOVAL [12/2013 - ] |