Yamaha XVZ13TF 1999 Service Manual page 435

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