Yamaha 2009 YZF-R1 (Y) Service Manual page 443

Fault code No.
Symptom
Fail-safe action
Diagnostic monitor-
ing code No.
Meter display
D:01
Checking
method
Meter display
D:13
Checking
method
Item/components and
probable cause
5 Supply voltage of throttle
position sensor lead
15
Open or short circuit of throttle position sensor lead
Engine startup: Possible under certain conditions
Riding: Possible under certain conditions
D:01
D:13
Throttle position sensor signal 1
• 12–21 (fully closed position)
• 97–106 (fully opened position)
• Check with throttle valve fully closed.
• Check with throttle valve fully opened.
Throttle position sensor signal 2
• 9–23 (fully closed position)
• 94–108 (fully opened position)
• Check with throttle valve fully closed.
• Check with throttle valve fully opened.
Check or maintenance job
Check the supply voltage.
Throttle position sensor sig-
nal 1
Black/Blue–White
Throttle position sensor sig-
nal 2
Black/Blue–Black
Refer to "CHECKING THE
THROTTLE POSITION SEN-
SOR" on page 8-138.
Line discon-
nection points
Disconnec-
tion of ground
lead
Disconnec-
tion of output
line
Disconnec-
tion of power
supply line
FUEL INJECTION SYSTEM
Output volt-
age
5 V
0 V
0 V
8-52
Sensor inspection proce-
dure
Place the main switch to the
ON position, and check the
fault code indication.
No fault code indicated. →
Recovered.
Fault code indicated. →
Check the next step.