The keyless access with push-button start system uses radio waves of 134 kHz, in addition to the radio waves used for the remote keyless entry system. The radio waves are periodically output from the antennas installed on the vehicle as shown in the following illustration.

1) Antenna
Regarding settingPreparation tool
SPEED CONTROL SYSTEMS(H4DO) > General DescriptionPREPARATION TOOL1. SPECIAL TOOLILLUSTRATIONTOOL NUMBERDESCRIPTIONREMARKS — SUBARU SELECT MONITOR 4Used for setting of each function and troubleshooting for electrical system.NOTE:For detailed operation procedures of Subaru Select Monitor 4, refer ...
Basic diagnostic procedure Procedure
Blind Spot Detection/Rear Cross Traffic Alert (DIAGNOSTICS) > Basic Diagnostic ProcedurePROCEDURESTEPCHECKYESNO1.PERFORM CUSTOMER INTERVIEW.Using the Check List for Interview, ask the customer the condition of how trouble occurs.Did you interview the customer? Basic Diagnostic Procedure > PROC ...
Dtc b28a9 stereo camera synchronized recognition data
EyeSight (DIAGNOSTICS) > Diagnostic Procedure with Diagnostic Trouble Code (DTC)DTC B28A9 STEREO CAMERA SYNCHRONIZED RECOGNITION DATADetected when error occurs in the communication data inside the control module caused by external factors such as noises.NOTE:If the same DTC is still detected afte ...