Throttle Position Sensor: Open Or Short Circuit Detected - Yamaha R1 Series 2015 Service Manual

Fault code No. 15
Fault code No.
Item
Fail-safe system
Diagnostic code No.
01 Meter display
Procedure
13 Meter display
Procedure
Item Probable cause of
malfunction and check
1 Connection of throttle position
sensor 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).
2 Connection of wire harness
ECU 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).
3 Wire harness continuity.
4 Installed condition of throttle
position sensor.
Check for looseness or pinch-
ing.
5 Throttle position sensor resis-
tance.
15

Throttle position sensor: open or short circuit detected.

Able/Unable to start engine
Able/Unable to drive vehicle
01, 13
Throttle position sensor signal 1
• 11–21 (fully closed position)
• 96–106 (fully open position)
• Check with throttle valves fully closed.
• Check with throttle valves fully open.
Throttle position sensor signal 2
• 9–23 (fully closed position)
• 94–108 (fully open position)
• Check with throttle valves fully closed.
• Check with throttle valves fully open.
Maintenance job
Improperly connected
nect the coupler securely or
replace the wire harness.
Improperly connected
nect the coupler securely or
replace the wire harness.
Open or short circuit
the wire harness.
Between throttle position sensor
coupler and ECU coupler.
black/green–black/green
white–white
black–black
blue–blue
Improperly installed sensor
Reinstall or adjust the sensor.
Refer to "ADJUSTING THE
THROTTLE POSITION SEN-
SOR" on page 7-16.
Measure the throttle position
sensor resistance.
black/green–blue
Refer to "CHECKING THE
THROTTLE POSITION SEN-
SOR" on page 8-191.
8-60
FUEL INJECTION SYSTEM
Confirmation of service com-
Con- Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 2.
Con- Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 3.
Replace Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 4.
Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 5.
Turn the main switch to "ON".
Fault code number is not dis-
played Service is finished.
Fault code number is displayed
Go to item 6.
pletion