Yamaha yzf-r1(m) 2000 Manual Do Serviço

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

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.

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.