Yamaha FZS1000N, Service Manual

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SELF-DIAGNOSIS
ELEC
SELF-DIAGNOSIS
The FZS1000 features a self-diagnosing system for the following circuit(-s):
Throttle position sensor
EXUP
Speed sensor
Emargency stop switch
If any of these circuits are defective, their respective condition codes will be displayed on the tachome-
ter when the main switch is set to “ON” (irrespective of whether the engine is running or not)
Circuit Defect(-s) System response Condition code
Throttle posi-
tion sensor Disconnected
Short-circuit
Locked The ignitor unit stays set to the
wide-open throttle ignition timing.
The motorcycle can be ridden.
The tachometer displays the
condition code. 3,000 r / min
EXUP Improper
connection
Short-circuit The EXUP valve stays in the open
position for three seconds and
then the servomotor shuts off. The
motorcycle can be ridden.
The tachometer displays the
condition code. 7,000 r / min
Servomotor is
locked. The servomotor’s power supply is
constantly inteerupted so that it
will not burn out. The motorcycle
can be ridden.
The tachometer displays the
condition code.
Speed sensor Improper
connection The tachometer displays the
condition code. 4,000 r / min
Emargency
stop switch Disconnected
Short-circuit
Fail angle The tachometer displays the
condition code.
Ignition system cutoff. 9,000 r / min