Car wiring diagrams: Acura Obd2 Wiring Diagram, wiring diagram, wire wiring harness, schematic circuit diagram, wiring diagran, wireing diagram, wirring diagram, wiring daigram, wiring diagrams. NOTE Legend Models If code is stored and the S light on the transaxle indicator panel is also flashing, it may be necessary to diagnose the automatic .When performing a B series engine swap into an OBDa b Civic hatchback and retaining a U.S. OBD ecu is necessary, swappers will need to wire in the nd sensor in . OBD to OBD OBD to OBD alternator. This scenerio happens when using an OBD engine in an OBD vehicle and vice versa. When adapting an OBD alternator .