September 30: LEMON manuals is back up on a temporary server! Slowness is possible
ENGINE CONTROL SYSTEM: System Diagram
WARNING: This page is about a different car, the 2014 Nissan Versa. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Engine Control System Diagram
Courtesy of NISSAN NORTH AMERICA, INC.
NOTE:
Battery current sensor is used in CVT models.