Yamaha XVS6501997 Service Manual page 317

SELF-DIAGNOSIS
The XVS650 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). 1
NOTE:
The XVS650 features a self-diagnosing system.
In the XVS650, 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.)
Item
Throttle position
sensor (TPS)
Display order on the engine indicator light
Light on
LIght off
1
Condition
S Enables the motorcycle to
Disconnected
Short-circuit run so that the ignition tim-
Locked ing is fixed when the throttle
is fully opened.
S Displays the condition code
on the engine indicator light.
2
3
SELF-DIAGNOSIS
Response
1 Light on (seconds) . . . . .
2 Light off (seconds) . . . . .
3 Number of blinks . . . . . .
4 Light off (seconds) . . . . .
4
7-49
ELEC
Display condition
code
When
When
engine is
engine is
stationary running
Blinks in Light on
0.5 seconds
0.5 seconds
Fault code
3 seconds
Repetition