ESD ECU Communication Line Inspection
When the data (for status of ESD system) is not sent from the ESD ECU to the meter unit and ECU, the service code 3C is displayed.
The data is sent through the CAN communication line.
The service code 3C is detected with the meter unit.
The FI symbol does not appear in this error code.
When the service code 3C is detected, the yellow warning indicator light (LED) [A] goes on, and the ESD warning symbol [B] and code of 3C [C] displayed on the LCD.
Special Tool - Hand Tester: 57001-1394
Wiring Inspection ESD ECU Connector [A] ←→ Meter Unit Connector [B] GY/BL lead (ESD ECU terminal 10) [C] LB lead (ESD ECU terminal 1) [D]
If the wiring is good, replace the ESD ECU (see ESD ECU Removal/Installation in the Steering chapter).
Engine Vacuum Synchronization Inspection
NOTE
These procedures are explained on the assumption that
the intake and exhaust systems of the engine are in
good condition.
Situate the motorcycle so that it is vertical.
Remove:
Fuel Tank (see Fuel Tank Removal in the Fuel System
(DFI) chapter)
Air Cleaner Housing (see Air Cleaner ...
Exhaust Butterfly Valve Actuator Resistance Inspection
Turn the ignition switch to OFF.
Disconnect the exhaust butterfly valve actuator lead connector
(2 pins connector) [A].
Set the hand tester to the × 1 Ω range and connect it to
the exhaust butterfly valve actuator connector.
Special Tool - Hand Tester: 57001-1394
Measure ...
IC Igniter Inspection
The IC igniter is built in the ECU [A].
Refer to the following items.
Interlock Operation Inspection (see Interlock Operation
Inspection)
Ignition System Troubleshooting (see Ignition System
section)
ECU Power Supply Inspection (see ECU Power Supply
Inspection in the Fuel System (D ...