Fail-Safe Chart [12/2018 - ]
WARNING: This page is about a different car, the 2022 Toyota Prius, 2021 Toyota Prius, 2020 Toyota Prius, and 2019 Toyota Prius. However, it is still accessible from the selected car via links, so may be relevant.
- FAIL-SAFE FUNCTION
- No. 1 headlight ECU sub-assembly
- The No. 1 headlight ECU sub-assemblies stop light operation if any of the following malfunctions are detected.
Malfunction Multi-information Display Warning DTC Output Lighting on/off LED light source malfunction Low beam Displayed Output High beam Not Displayed Not output Other than above (communication with main body ECU (multiplex network body ECU)) Displayed Output Automatic headlight beam level control system Displayed Output AFS (adaptive front-lighting system) Displayed Output Power supply IG voltage line malfunction Displayed Output Other than an IG voltage line malfunction Not displayed Not output
- The No. 1 headlight ECU sub-assemblies stop light operation if any of the following malfunctions are detected.
- No. 1 headlight ECU sub-assembly