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 it.
CHECK DLC3
Check the DLC3.
INSPECT BATTERY VOLTAGE
Measure the vehicle battery voltage.
If the voltage is below 11 V, recharge or replace the battery before proceeding.