Yamaha FZ6-ST Supplementary Service Manual page 437

EAS00792
2. The license plate light fails to come on.
1. License plate light bulb and socket
S Check the license plate light bulb and socket
for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS".
S Are the license plate light bulb and socket
OK?
YES
2. Voltage
S Connect the pocket tester (DC 20 V) to the
license plate light coupler (wire harness light
side) as shown.
Positive tester probe ! blue
Negative tester probe ! black
S Turn the main switch to "ON".
S Measure the voltage (DC 12 V) of blue
the license plate light coupler (wire harness
side).
S Is the voltage within specification?
YES
This circuit is OK.
NO
Replace the license
plate light bulb, sock-
et or both.
1
2
on
1
NO
The wiring circuit
from the main switch
to the license plate
light coupler is faulty
and must be re-
paired.
8-32
LIGHTING SYSTEM
ELEC