DESCRIPTION
Lighting system data and the 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 intelligent tester to check for malfunctions and to repair.
CHECK DLC3
Check the DLC3 Click here.
INSPECT BATTERY VOLTAGE
If the voltage is below 11 V, recharge or replace the battery.