Module I/O Signal
WARNING: This page is about a different car, the 2021 Subaru Ascent. However, it is still accessible from the selected car via links, so may be relevant.
For the specification (electrical component), refer to "Control Module I/O Signal" in "TELEMATICS SYSTEM (DIAGNOSTICS)". Ref. to TELEMATICS SYSTEM (DIAGNOSTICS)>Control Module I/O Signal>SPECIFICATION .