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 to repair.
CHECK DLC3
Check the DLC3.
INSPECT AUXILIARY BATTERY VOLTAGE
Measure the auxiliary battery voltage with the power switch off.
If the voltage is below 11 V, recharge or replace the auxiliary battery.
DIAGNOSIS SYSTEM
| *1 | Automatic High Beam Indicator Light |
| *2 | Multi-information Display |
When the automatic high beam system malfunctions, the automatic high beam indicator light (green) will be turned off and the "CHECK AHB SYSTEM" message will be indicated 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, the "CHECK AHB SYSTEM" message will be turned off.