Electrical Specification
WARNING: This page is about a different car, the 2022 Subaru WRX. However, it is still accessible from the selected car via links, so may be relevant.
For details on the input/output signals for the engine control module, refer to ENGINE (DIAGNOSTICS). Ref. to ENGINE (DIAGNOSTICS) (H4DOTC)>CONTROL MODULE I/O SIGNAL>ELECTRICAL SPECIFICATION