Yamaha R1 Series 2015, Service Manual

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ELECTRONICALLY ADJUSTABLE SUSPENSION SYSTEM (for
YZF-R1M)
8-163
Fault code No. 93
Diagnostic code No.
—
Indicated
—
Procedure
—
Item Probable cause of
malfunction and check
Maintenance job Confirmation of service com-
pletion
1 Connection of meter assembly
coupler.
Check the locking condition of
the coupler.
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
Improperly connected
o
Con-
nect the coupler securely or
replace the wire harness.
Turn the main switch to “OFF”
and back to “ON” and check the
warning light.
The warning light does not
come on
o
Service is finished.
The warning light comes on
o
Go to item 2.
2 Wire harness continuity. Open or short circuit
o
Replace
the wire harness.
Between SCU coupler and joint
coupler.
blue/white–blue/white
blue/black–blue/black
Between the joint coupler and
meter assembly coupler.
blue/white–blue/white
blue/black–blue/black
Turn the main switch to “OFF”
and back to “ON” and check the
warning light.
The warning light does not
come on
o
Service is finished.
The warning light comes on
o
Go to item 3.
3 Malfunction in meter assembly. Replace the meter assembly.
Fault code No. 93
Item Stepping motor: open or short circuit detected.
Fail-safe system Able to start engine
Able to drive vehicle
Diagnostic code No. —
Meter display —
Procedure —
Item Probable cause of
malfunction and check
Maintenance job Confirmation of service com-
pletion
1 Connection of stepping motor
coupler.
Check the locking condition of
the coupler.
• Left front fork stepping motor
• Right front fork stepping motor
• Rear shock absorber assem-
bly stepping motor (
u
2)
Disconnect the coupler and
check the pins (bent or broken
terminals and locking condition
of the pins).
Improperly connected
o
Con-
nect the coupler securely or
replace the wire harness.
Turn the main switch to “OFF”
and back to “ON” and check the
warning light.
The warning light does not
come on
o
Service is finished.
The warning light comes on
o
Go to item 2.
Fault code No. 89 (or “Err” is displayed)
Item Abnormal CAN communication (between meter assembly and SCU)