Yamaha R15 2022 Service Manual page 368

8. Trouble Information
This appears to click on "detected malfunction (1)" for the details of the diagnosis are displayed.
Click [Service Manual/F10] to open the service manual and check the details of the fault.
9. Save
To save the result of diagnosis of malfunction, click [Save/F12].
TIP
Must save the result for future reference.
10.Update
To run the diagnosis of malfunction again, click [Update/F11].
11.Service Manual
To view the service manual, click [Service Manual/F10].
TIP
Service Manual of related model can be downloaded when system is connected with YMC server.
12.Erase all (Only recovered item can be Erased)
To delete all of the fault codes, click [Erase All/F2].
13.Delete selected items (Only recovered item can be Deleted)
To delete the selected fault codes, click [Delete selected items/F1].
Must erase all recovered items to turn off engine trouble warning indicator light.
AS31791
TROUBLESHOOTING DETAILS (FAULT CODE)
This section describes the measures per fault code number displayed on the Yamaha diagnostic tool.
Check and service the items or components that are the probable cause of the malfunction following
the order given.
After the check and service of the malfunctioning part have been completed, delete the fault codes dis-
played on the Yamaha diagnostic tool according to the reinstatement method.
Fault code No.:
Fault code number displayed on the Yamaha diagnostic tool when the engine failed to work normally.
Diagnostic code No.:
Diagnostic code number to be used when the diagnostic mode is operated. Refer to "SELF-DIAGNOS-
TIC FUNCTION AND DIAGNOSTIC CODE TABLE" on page 8-37.
Parts connected to the ECU
The following parts are connected to the ECU.
When checking for a power short circuit, the couplers must be disconnected from all of the following
parts beforehand.
• Crankshaft position sensor
• Fuel injector
• Fuel pump
• Ignition coil
• FID (Fast idle device)
• Coolant temperature sensor
• Throttle body sensor assembly
• O sensor
2
• Main switch
• Handlebar switch (left and right)
• Headlight
FUEL INJECTION SYSTEM
• Meter assembly
• ABS ECU (Hydraulic control unit)
• Sidestand switch
• VVA (variable valve actuator) solenoid
• Radiator fan motor relay
• Coolant temperature sensor
• Gear position switch
• Lean angle sensor
• Front wheel sensor
• Quick shift switch
• CCU (Communication control unit)
8-35
ELEC – +