LIGHTING (EXT) LIGHTING SYSTEM FAIL-SAFE CHART
LED HEADLIGHT SYSTEM (for LED Headlight)
The light control ECU operates in fail-safe mode if any of the following abnormalities are detected.
| Item | Abnormal Detection Condition | Return Condition | Warning Light*1 | Multi-information Display*2 |
|---|---|---|---|---|
| Abnormal input voltage (High input voltage) | Abnormal power source voltage (more than 17 V) is detected. | Normal power source voltage (10 to 16 V) is detected. | Illuminated | "Headlight System Malfunction Visit Your Dealer" is displayed |
| Abnormal input voltage (Low input voltage) | Power source voltage is excessively low (8.5 to 10 V) and LED output current is limited. (Headlight will remain illuminated.) | Normal power source voltage (10 to 16 V) returns (output current limit is canceled). | Illuminated | "Headlight System Malfunction Visit Your Dealer" is displayed |
| Power source voltage is excessively low (below 6 V) and headlight operation is stopped. | Power source voltage increases to 8.5 V or more (headlight operation will resume). | Illuminated | "Headlight System Malfunction Visit Your Dealer" is displayed | |
| Abnormal output | ·
Open in output circuit ·
Short between an output terminal and body ground ·
Short between output terminals (Hi and Lo) |
The light control switch is turned from off to the head position. | Illuminated | "Headlight System Malfunction Visit Your Dealer" is displayed |
*1: for Multi-information Display (Segment LCD Type)
*2: for Multi-information Display (Color Type)