AUTOMATIC HIGH BEAM SYSTEM PROBLEM SYMPTOMS TABLE

Note:

If the pre-crash safety city sensor has been replaced, or the windshield glass has been replaced or removed/installed, be sure to perform Recognition Camera/Target Position Memory and Recognition Camera Axis Adjust. If not performed, DTC will be stored when the system is turned on.
Click here Click here
When replacing the pre-crash safety city sensor, replace it with a new one. If a pre-crash safety city sensor which was installed to another vehicle is used, the information stored in the pre-crash safety city sensor will not match the information from the vehicle and, as a result, a DTC may be stored.

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.


Symptom	Suspected Area	Link
Automatic high beam indicator on the combination meter assembly does not illuminate	Check automatic high beam system operation conditions	Click here
	Check meter / gauge system	Click here Click here
	Combination meter assembly	Click here
	Pre-crash safety city sensor	Click here Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here
Automatic high beam system does not operate	Check Data List (Auto H Beam STS)	Click here
	Check automatic light control system operation	Click here
	Headlight dimmer switch circuit	Click here
	Pre-crash safety city sensor	Click here Click here
	Main body ECU (Multiplex network body ECU) (for LHD)	Click here
	Main body ECU (Multiplex network body ECU) (for RHD)	Click here