Yamaha YZF-R1 2000, Дополнительное руководство по обслуживанию

Страница: 74 / 78

–66–
SELF-DIAGNOSIS
ELEC
0 r / min ... 3 seconds
Condition code ... 2.5 seconds
Engine speed ... 3 seconds
1
2
3
Revolution
(
10
3
r / min)
Tachometer display
Time (seconds)
Engine speed
EB812000
SELF-DIAGNOSIS
The YZF-R1 features a self-diagnosing system for the following circuit(-s):
throttle position sensor
EXUP
speed sensor
fuel level warning light
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 connec-
tion
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 interrupted so that it
will not burn out. The motorcycle
can be ridden.
The tachometer displays the
condition code.
Speed sensor Disconnected
Short-circuit
The tachometer displays the
condition code. 4000 r / min
Fuel level
warning light Improper connec-
tion
Short-circuit
Display the condition code on the
fuel level warning light. The warning light
will flash eight
times, then go off
for three seconds.
Tachometer display sequence
When more than one item is being monitored, the tachometer needle displays the condition codes in
ascending order, cycling through the sequence repeatedly.
If the engine is stopped, the engine speed
3 is 0 r / min.