Yamaha XVZ13TF 1999, Service Manual

Page: 435 / 501

8-37
Tester positive probe red / brack
Tester negative probe ground
2. Fuel sender
Drain the fuel from the fuel tank and remove
the fuel sender from the fuel tank.
Disconnect the fuel sender coupler from the
wire harness.
Connect the pocket tester (
Ω
1) to the fuel
sender as shown.
1
5. Voltage
Connect the pocket tester (20 V DC) to the
meter light coupler (wire harness side) as
shown.
NO YES
The wiring circuit
from the main switch
to the meter light
coupler (wire har-
ness side) is faulty
and must be re-
paired.
1. Fuel level indicator light bulb and socket
Check: Do the fuel level indicator light bulb
and socket have continuity?
NO YES
Replace the fuel lev-
el indicator light bulb,
socket of both.
Set the main switch to “ON”.
Measure the voltage (12 V).
Is the voltage within specification?
This circuit is OK.
EAS00803
6. The fuel level indicator light fails to come
on.
1
Tester positive probe green / white
Tester negative probe ground
YES NO
NO YES
Set the main switch to “ON”.
Measure the voltage (12 V).
Is the voltage within specification?
The wiring circuit
from the main switch
to the fuel sender
coupler (wire har-
ness side) is faulty
and must be re-
paired.
3. Voltage
Connect the pocket tester (20 V DC) to the
fuel sender coupler (wire harness side) as
shown.
Replace the fuel
sender.
This circuit is OK.
1
Tester positive probe green / red
Tester negative probe black
Check: Does the fuel sender have continu-
ity?
1
2
1
2
SIGNAL SYSTEM
ELEC