LIGHTING (INT)  LIGHTING SYSTEM(for NR Series Engine)  DIAGNOSIS SYSTEM  

Lighting 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 the DLC3.

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Measure the battery voltage.

Standard Voltage:

11 to 14 V

If the voltage is below 11 V, recharge or replace the battery.