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.
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].

ECU Main Relay Inspection
Refer to the Relay Circuit Inspection in the Electrical System chapter.
CAN Communication Line
Fuel LineKIBS Motor Relay Inspection (Service Code b 35)
Check the KIBS motor relay fuse (25 A) [A] (see Fuse
Inspection in the Electrical System chapter)
If the fuse is good, check the wiring continuity as follows.
Disconnect:
Battery Positive Cable (see Battery Removal in the Electrical
System chapter)
KIBS Hydraulic Unit Lead Connector (see ...
Valve-to-Guide Clearance Measurement (Wobble Method)
If a small bore gauge is not available, inspect the valve
guide wear by measuring the valve to valve guide clearance
with the wobble method as indicated below.
Insert a new valve [A] into the guide [B] and set a dial
gauge against the stem perpendicular to it as close as
possible to the cy ...
Radiator and Radiator Fan Removal
Remove:
Upper Fairing Assembly (see Upper Fairing Assembly
Removal in the Frame chapter)
Coolant (Drain, see Coolant Change in the Periodic
Maintenance chapter)
Air Cleaner Housing (see Air Cleaner Housing Removal
in the Fuel System (DFI) chapter)
Coolant Reserve Tank (see Coolant R ...