CAN Communication Unit Refer to CAN COMMUNICATION UNIT For references to PG-POWER, see POWER SUPPLY, GROUND & CIRCUIT ELEMENTS . Scheme 26 Log in Scheme 26: Wiring Diagram - SROOF Scheme 27 Log in Scheme 27 Scheme 28 Log in Scheme 28: Terminals and Reference Value for BCM Scheme 29 Log in Scheme 29: Terminals and Reference Value for Sunroof Motor Assembly Scheme 30 Log in Scheme 30