AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM PROBLEM SYMPTOMS TABLE

Tip:

Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.

Table 1. Automatic Headlight Beam Level Control System
Symptom	Suspected Area	Link
Headlight beam level control system warning light comes on	Warning light circuit	Click here
Headlight beam level control system warning light comes on	Headlight leveling ECU assembly	Click here
Headlight beam level control does not operate (warning light is off) (low beam headlights are normal)	Check the fail-safe function	Click here
	Headlight beam level control actuator circuit	Click here
	Headlight leveling ECU power source circuit	Click here
	Vehicle speed signal circuit	Click here
	Headlight leveling ECU assembly	Click here
	Harness or connector	-
Headlight beam level control system warning light does not come on when turning the power switch on (IG)	Warning light circuit	Click here
	Headlight leveling ECU power source circuit	Click here
	Headlight leveling ECU assembly	Click here
	Combination meter assembly	-
DTC information cannot be detected	Diagnosis circuit	Click here
Initialization cannot be performed	LVL terminal circuit	Click here