Yamaha FZ09E Service Manual page 378

FUEL INJECTION SYSTEM
Fault code No .
15
Item
Throttle position sensor: open or short circu it detected .
01 Meter di sp lay Throttle position sensor signal 1
• 11-21 (fully closed position)
• 9S-106 (fully open position)
Procedure • Check with throttle valves fully closed.
• Check with throttle valves fully open.
13 Meter d isp lay Throttle position sensor signal 2
• 9-23 (fully closed position)
• 94-108 (fully open position)
Procedure • Check with throttle valves fully closed.
• Check with throttle valves fully open.
Item Probable cause of Maintenance job Confirmation of service
malfunction and check
complet ion
1 Connection of th rottle posi- Improperly connected
-+
Turn the main switch to "ON".
tion sensor coupler. Connect the coupler securely
Fault code number is not dis-
Check the locking condition or replace the wire harness. played
-+
Service is finished.
of the coupler. Fault code number is dis-
Disconnect the coupler and played
-+
Go to item 2.
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
2 Connection of wire harness Improperly connected
-+
Turn the main switch to "ON".
ECU coupler. Connect the coupler securely
Fault code number is not dis-
Check the locking condition or replace the wire harness. played
-+
Service is finished.
of the coupler. Fault code number is dis-
Disconnect the coupler and played
-+
Go to item 3.
check the pins (bent or bro-
ken terminals and locking
condition of the pins).
3
Wire harness continuity. Open or short circuit
-+
Turn the main switch to "ON".
Replace the wire harness. Fault code number is not dis-
Between throttle position played
-+
Service is finished.
sensor coupler and ECU Fault code number is dis-
coupler. played
-+
Go to item 4.
black/blue- black/blue
white-white
black- black
blue-blue
4 Installed condition of th rottle Improperly installed sensor Turn the main switch to "ON".
position sensor.
-+
Reinstall or adjust the Fault code number is not dis-
Check for looseness or sensor. played
-+
Service is finished.
pinching. Refer to "ADJUSTING THE Fault code number is dis-
T HROTTLE POSITION SEN- played
-+
Go to item 5.
SOR" on page 7-12.
8-43