Yamaha YZF-R1 Series Service Manual page 560

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
Diagnostic
code No.
D39 Primary injector #4
D40 Secondary injector #1
D41 Secondary injector #2
D42 Secondary injector #3
D43 Secondary injector #4
D47 Steering damper solenoid
D48 Air induction system sole-
noid
Item
Actuates the primary injec-
tor #4 five times at one-sec-
ond intervals.
The "check" indicator on the
YDT screen come on each
time the fuel injector is actu-
ated.
Actuates the secondary in-
jector #1 five times at one-
second intervals.
The "check" indicator on the
YDT screen come on each
time the fuel injector is actu-
ated.
Actuates the secondary in-
jector #2 five times at one-
second intervals.
The "check" indicator on the
YDT screen come on each
time the fuel injector is actu-
ated.
Actuates the secondary in-
jector #3 five times at one-
second intervals.
The "check" indicator on the
YDT screen come on each
time the fuel injector is actu-
ated.
Actuates the secondary in-
jector #4 five times at one-
second intervals.
The "check" indicator on the
YDT screen come on each
time the fuel injector is actu-
ated.
When the start/engine stop
switch is "ON", the steering
damper solenoid is on.
When the start/engine stop
switch is "OFF", the steering
damper solenoid is off.
The "check" indicator on the
YDT screen come on each
time the steering damper so-
lenoid is actuated.
Actuates the air induction
system solenoid five times at
one-second intervals.
The "check" indicator on the
YDT screen come on each
time the air induction system
solenoid is actuated.
9-63
Actuation
Disconnect the fuel pump
coupler before doing this
procedure.
Check that primary injector
#4 is actuated five times by
listening for the operating
sound.
Disconnect the fuel pump
coupler before doing this
procedure.
Check that secondary injec-
tor #1 is actuated five times
by listening for the operating
sound.
Disconnect the fuel pump
coupler before doing this
procedure.
Check that secondary injec-
tor #2 is actuated five times
by listening for the operating
sound.
Disconnect the fuel pump
coupler before doing this
procedure.
Check that secondary injec-
tor #3 is actuated five times
by listening for the operating
sound.
Disconnect the fuel pump
coupler before doing this
procedure.
Check that secondary injec-
tor #4 is actuated five times
by listening for the operating
sound.
Check the operating of the
steering damper.
Check that the air induction
system solenoid is actuated
five times by listening for the
operating sound.
Procedure