Service Manual — page 201 of 715

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FUEL SYSTEM (DFI) 3-111
DFI Power Source
ECU Fuse Removal
• Refer  to the 30 A Main/15 A ECU Fuse Removal in the
  Electrical System chapter.
ECU Fuse Installation
    If a fuse fails during operation, inspect the DFI system to
    determine the cause, and then replace it with a new fuse
    of proper amperage.
•   Refer to the Fuse Installation in the Electrical System
    chapter.
ECU Fuse Inspection
• Refer to the Fuse Inspection in the Electrical System
  chapter.
ECU Main Relay Removal/Installation
○The ECU main relay is built in the relay box [A].
• Refer to the Relay Box Removal in the Electrical System
  chapter.

ECU Main Relay Inspection
• Refer to the Relay Circuit Inspection in the Electrical Sys-
  tem chapter.