Yamaha Diagnostic Tool; Connecting The Yamaha Diagnostic Tool - Yamaha YZ450FN 2022 Owner's Service Manual

EAM30285

YAMAHA DIAGNOSTIC TOOL

This model uses the Yamaha diagnostic tool to identify malfunctions.
For information about using the Yamaha diagnostic tool, refer to the operation manual that is included
with the tool.
TIP
A generic scan tool can also be used to identify malfunctions.
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CONNECTING THE YAMAHA DIAGNOSTIC TOOL

1. Remove the coupler for connecting setting tool "1".
2. Connect the FI diagnostic tool sub-lead.
3. Connect the FI diagnostic tool sub-lead to the Yamaha diagnostic tool.
EWA20450
WARNING
Never connect the sub-lead (special tool) to the battery. Otherwise, because of excessive cur-
rent flow, the sub-lead can catch fire and the battery could be damaged.
TIP
• Prepare the fully charged 12 V lead battery for yourself.
• Replace the vehicle battery with a lead battery (12 V).
• For information on how to connect and use the Yamaha diagnostic tool, refer to "YAMAHA DIAGNOS-
TIC TOOL OPERATION MANUAL".
FUEL INJECTION SYSTEM
Yamaha diagnostic tool USB (US)
90890-03269
Yamaha diagnostic tool (A/I)
90890-03264
OBD/ GST Leadwire kit
90890-03249
1 1 1
FI diagnostic tool sub–lead
90890-03212
FI diagnostic tool sub–lead
YU-03212
8-17