AUTOMATIC HEADLIGHT BEAM LEVEL CONTROL SYSTEM(except Sedan) PROBLEM SYMPTOMS TABLE

Note:

Initialize the headlight swivel ECU assembly (set the zero point of the rear height control sensor sub-assembly in the headlight swivel ECU assembly) after the vehicle height changes due to replacement of suspension components or after performing operations such as removal and reinstallation or replacement of the rear height control sensor sub-assembly.
Initialize the headlight swivel ECU assembly when the headlight swivel ECU assembly is replaced.

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.
Inspect the fuses and relays related to this system before inspecting the suspected areas below.

Table 1. Automatic Headlight Beam Level Control System
Symptom	Suspected Area	Link
Automatic headlight beam level control system does not operate	Check DTCs	Click here
	Check fail-safe function	Click here
	ECU power source circuit	Click here
	Headlight swivel ECU assembly	Click here
Initialization cannot be performed	Check DTCs	Click here
	CAN communication system	Click here
	Headlight swivel ECU assembly	Click here