Problem Symptoms Table [09/2014 - 03/2019]
WARNING: This page is about a different car, the 2019 Lexus RC F, 2018 Lexus RC F, 2017 Lexus RC F, 2016 Lexus RC F, and 2015 Lexus RC F. 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.
AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM
| Symptom | Suspected Area | Link |
|---|---|---|
| Automatic headlight beam level control system does not operate | Check DTCs | Refer to DTC CHECK / CLEAR [09/2014 - 03/2019] |
| Check fail-safe function | Refer to FAIL-SAFE CHART [09/2014 - 03/2019] | |
| Headlight leveling ECU power source circuit | Refer to Headlight Leveling ECU Power Source Circuit [09/2014 - 03/2019] | |
| Headlight beam level control actuator circuit | Refer to Headlight Beam Level Control Actuator Circuit [09/2014 - 03/2019] | |
| Headlight leveling ECU assembly | Refer to REMOVAL [09/2014 - 03/2019] | |
| Initialization cannot be performed | Check DTCs | Refer to DTC CHECK / CLEAR [09/2014 - 03/2019] |
| CAN communication system | Refer to HOW TO PROCEED WITH TROUBLESHOOTING [09/2014 - 11/2017] , or refer to HOW TO PROCEED WITH TROUBLESHOOTING [11/2017 - 03/2019] | |
| Headlight leveling ECU assembly | Refer to REMOVAL [09/2014 - 03/2019] | |
| Headlight leveling warning light does not come on when turning the engine switch on (IG) | Headlight leveling ECU assembly | Refer to REMOVAL [09/2014 - 03/2019] |
| Combination meter assembly | Refer to REMOVAL [09/2014 - ] |