Yamaha FZS1000N Service Manual page 380

TROUBLESHOOTING
The tachometer starts to display the self-
diagnosis sequence.
Check:
1. Throttle position sensor
2. EXUP
3. Speed sensor
4. Emargency stop switch
NOTE:
Before troubleshooting, remove the following
part(-s):
1) Rider seat
2) Fuel tank
3) Air filter case
Troubleshoot with the following special
tool(-s).
Pocket tester measurement
YU-03112-C
1. Throttle position sensor
CIRCUIT DIAGRAM
Throttle position sensor
13
Ignitor unit
15
SELF-DIAGNOSIS
1. Wire harness
Check the wire harness for continuity.
Refer to "CIRCUIT DIAGRAM".
Is the wire harness OK?
YES
2. Throttle position sensor
Check the throttle position sensor for conti-
nuity.
Refer to "CHECKING AND ADJUSTING
THE THROTTLE POSITION SENSOR" in
chapter 6.
Is the throttle position sensor OK?
YES
Replace the ignitor
unit.
8-57
ELEC
NO
Repair or replace the
wire harness.
NO
Replace the throttle
position sensor.