Yamaha XV1600A1999 Service Manual page 446

EB812010
TROUBLESHOOTING
The engine trouble indicator light or the
fuel level level indicator light starts to
blink, display the self-diagnosis se-
quence.
Check:
1. throttle position sensor
2. speed sensor
3. decompression solenoid
4. fuel level meter
NOTE:
S Before troubleshooting, remove the following
part(-s):
1) rider seat
2) fuel tank
3) left side cover
S Troubleshoot with the following special
tool(-s).
Pocket tester
90890-03112
EB812020
1. Throttle position sensor
CIRCUIT DIAGRAM
Throttle position sensor
13
Ignitor unit
14
SELF-DIAGNOSIS
EAS00843
1. Wire harness
S Check the wire harness for continuity.
Refer to "CIRCUIT DIAGRAM".
S Is the wire harness OK?
YES
EB812401
2. Throttle position sensor
S Check the throttle position sensor for conti-
nuity.
Refer to "CHECKING AND ADJUSTING
THE THROTTLE POSITION SENSOR" in
chapter 6.
S Is the throttle position sensor OK?
YES
Replace the ignitor
unit.
7-56
ELEC
NO
Repair or replace the
wire harness.
NO
Replace the throttle
position sensor.
E