Yamaha FJR13AEV(C) Service Manual page 551

Fault code No. 15
Diagnostic code No.
Order Item/components and probable
cause
1 Installed condition of throttle position
sensor.
2 Connections
• Throttle position sensor coupler
• Wire harness ECU coupler
• Sub-wire harness coupler
3 Open or short circuit in wire harness
and/or sub-wire harness.
4 Throttle position sensor lead wire
open circuit output voltage check.
5 Defective throttle position sensor.
Symptom Throttle position sensor: open or short circuit detected.
01 Throttle position sensor
Check or maintenance job
Check for looseness or pinching. Turning the
• Check the coupler for any pins
• Check the locking condition of
• If there is a malfunction, repair it
• Repair or replace if there is an
• Between throttle position sen-
• Check for open circuit and re-
Open circuit
item
Ground wire
open circuit
Output wire
open circuit
Power supply
wire open cir-
cuit
• Execute the diagnostic mode.
• Replace if defective.
8-80
FUEL INJECTION SYSTEM
that may be pulled out.
the coupler.
and connect the coupler se-
curely.
open or short circuit.
sor coupler and ECU coupler.
(black/blue–black/blue)
(yellow–yellow)
(blue–blue)
place the throttle position sen-
sor.
(black/blue–yellow)
Output voltage
5 V
0 V
0 V
(Code No.01)
Refer to "CHECKING THE
THROTTLE POSITION SEN-
SOR" on page 8-232.
Reinstatement
method
main switch to
"ON".