Yamaha XVS250 2001, Service Manual

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Light on
Light off
1 Light on (seconds) 0.5 seconds . . . . .
2 Light off (seconds) 0.5 seconds . . . . .
3 Number of blinks Fault code . . . . . .
4 Light off (seconds) 3 seconds . . . . .
Repetition
1 2
3 4
(Example: for throttle position sensor trouble)
SELF-DIAGNOSIS
ELEC
NOTE:
SELF-DIAGNOSIS
The XVS125 features self-diagnosis.
When the main switch is turned to “ON”, the following items are monitored and the condition codes are
displayed on the engine indicator light (irrespective of whether the engine is running or not).
The XVS125 features a self-diagnosing system.
In the XVS125, when the main switch is turned on the “Engine indicator light” in the speedometer
comes on for 1.4 seconds then goes off. However, if there is a malfunction, it comes on for 1.4 seconds,
goes off and then begins flashing. (However, it is on while the engine is running.)
Display condition
code
Item Condition Response
When
engine is
stationary
When
engine is
running
Throttle position
sensor (TPS) Disconnected
Short-circuit
Locked Enables the motorcycle to run
so that the ignition timing is
fixed when the throttle is fully
opened.
Displays the condition code
on the engine indicator light.
Blinks in
Fault code: 3 Light on
Speed sensor
(5JX2) Disconnected
short-circuit
Missing coupler
Failure in the
electronic
component Displays the condition code
on the enigne indicator light. Blinks in
Fault code: 4 Light on
Display order on the engine indicator light