Yamaha 2013 FJR1300AS Service Manual page 557

Fault code No.
Item
1 Locate the malfunction.
2 Connection of MCU coupler.
Check the locking condition
of the coupler.
Disconnect the coupler and
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
3 Wire harness continuity.
4 Malfunction in MCU.
Fault code No.
Item
Fail-safe system
Diagnostic code No.
Meter display
Procedure
Probable cause of mal-
Item
function and check
Err (multi-function meter center display)
Abnormal MCU communication (CAN communication from the
meter assembly).
Check the engine trouble
warning light, YCC-S sys-
tem warning light, and elec-
tronically adjustable
suspension system warning
light.
• All of the lights come on →
Go to "Abnormal meter as-
sembly communication".
• Only the engine trouble
warning light comes on →
Go to "Abnormal ECU com-
munication".
• Only the YCC-S system
warning light comes on →
Go to item 2.
• Only the electronically ad-
justable suspension system
warning light comes on →
Go to "Abnormal SCU com-
munication".
Improperly connected →
Connect the coupler secure-
ly or replace the wire har-
ness.
Open or short circuit → Re-
place the wire harness.
• Between MCU coupler and
ECU coupler.
blue/black–blue/black
blue/red–blue/red
Replace the MCU.
Err (multi-function meter center display)
Abnormal SCU communication (CAN communication from the
meter assembly).
Able to start engine
Able/Unable to drive vehicle
—
—
—
Maintenance job
8-86
FUEL INJECTION SYSTEM
—
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 3.
Turn the main switch to "ON".
Fault code number is not dis-
played → Service is finished.
Fault code number is dis-
played → Go to item 4.
Confirmation of service
completion