DESCRIPTION
Automatic high beam system data and Diagnostic Trouble Codes (DTCs) can be read from the Data Link Connector 3 (DLC3) of the vehicle. When the system seems to be malfunctioning, use the GTS to check for malfunctions and perform repairs.
CHECK DLC3
Check the DLC3.
INSPECT BATTERY VOLTAGE
Measure the battery voltage.
If the voltage is below 11 V, recharge or replace the battery.
DIAGNOSIS SYSTEM
| *a | Automatic High Beam Indicator Light |
| *b | Multi-information Display |
If the automatic high beam system malfunctions, the automatic high beam indicator light turns off and "Headlight System Malfunction Visit Your Dealer" is displayed on the multi-information display.
Tech Tips
In this case, the main body ECU (multiplex network body ECU) stores DTCs.
When the system returns to normal, "Headlight System Malfunction Visit Your Dealer" is no longer displayed on the multi-information display.