Circuit Diagram; Troubleshooting - Yamaha XVS650 Service Manual

SELF-DIAGNOSIS
I
ELEC
I u I
TROUBLESHOOTING
The engine indicator light starts to display the self-diagnosis sequence.
NOTE: _
Use the following special tool in this trou-
bleshooting.
1.Throttle position sensor (TPS)
CIRCUIT DIAGRAM
®
Throttle position sensor (TPS)
@ Ignitor unit
1.Wire harness
• Check the wire harness for continuity.
Refer to "CIRCUIT DIAGRAM".
{],. CONTINUllY
2.TPS
. Pocket tester:
VU-03112, 90890-03112
NO CONTINUITY
I
Repair or replace the wire harness.
• Check the
TPS
for continuity.
• Refer to "THROTTLE POSITION SEN-
SOR (TPS) INSPECTION AND ADJUST-
MENT" in CHAPTER 5.
n
GOOD
V
CONDITION
I
Replace the ignitor unit.
BAD CONDITION
I
Replace the TPS.