Subaru Legacy BN/BS (2015-2019) Service Manual: Rear defogger system wiring diagram

Rear accessory power supply socket system wiring diagram

Rear wiper and washer system wiring diagram

Other materials:

List of diagnostic trouble code (dtc) list
(1) Keyless access systemDTCItemNoteU0073CAN FAILURE, BUS ‘OFF’ DETECTION Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0073 CONTROL MODULE COMMUNICATION BUS OFFU0100LOST COMMUNICATION WITH ECM/PCM "A" Diagnostic Procedure with Diagnostic Trouble Code (DTC) > DTC U0100 L ...