Yamaha YZF-R1 Series Service Manual page 561

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
Diagnostic
code No.
D49 Intake solenoid
D50 Relay unit
D51 Radiator fan motor relay
D52 Headlight relay
D53 EXUP servo motor
EAS33289
DIAGNOSTIC CODE TABLE (SCU) (for YZF-R1M)
Diagnostic
code No.
D09 Monitor voltage
Item
Actuates the intake solenoid
five times at one-second in-
tervals.
The "check" indicator on the
YDT screen come on each
time the intake solenoid is
actuated.
Actuates the relay unit five
times at one-second inter-
vals.
The "check" indicator on the
YDT screen come on each
time the relay is actuated.
Actuates the radiator fan mo-
tor relay five times at five-
seconds intervals.
The "check" indicator on the
YDT screen come on each
time the relay is actuated.
Actuates the headlight five
times at five-seconds inter-
vals.
The "check" indicator on the
YDT screen come on each
time the headlight is actuat-
ed.
After the EXUP is fully
closed, it stops at the open-
ing base position (intermedi-
ate position).
This operation takes approxi-
mately 3 seconds during
which the "check" indicator is
displayed on the YDT.
Item
Displays the SCU power
supply voltage.
Approximately 12.0 V
9-64
Actuation
Check that the intake sole-
noid is actuated five times by
listening for the operating
sound.
Check that the relay unit is
actuated five times by listen-
ing for the operating sound.
Check that the radiator fan
motor relay is actuated five
times by listening for the op-
erating sound.
Check that the headlight
comes on five times.
Check the operating sound.
Tool display
Check the displayed SCU
power supply voltage.
Procedure
Procedure