Remove the following covers.
Left lower cover (Left Lower Cover)
Rear middle cover (Rear Middle Cover)
Remove the ground screw.
Open the transparent film [A]. (hook×2)
Disconnect the two connectors, and then release them from the harness guide [A].
Open the rear upper cover [A].
Release the left hinge [A] of the rear upper cover [B] by slightly bending the rear upper cover inward.
Remove the rear upper cover [A] by sliding it to the left.
When removing the rear upper cover, release the harness [A] from the mainframe.