Yamaha XV16AL Service Manual page 413

Headlight
Tester positive probe →
yellow 1 or green 2
Tester negative probe → black 3
High beam indicator light
Tester positive probe → yellow 4
Tester negative probe → black 5
Meter assembly coupler (wire harness
side)
• Set the main switch to "ON".
• Set the dimmer switch to "
" ".
• Measure the voltage (12 V) of yellow
(green) 2 on the headlight coupler and
yellow 4 on the meter assembly cou-
pler.
• Is the voltage within specification?
YES
The wiring circuit
from
switch to the head-
light
meter
couplers are faulty
and
repaired.
LIGHTING SYSTEM
EB805411
2. A meter light fails to come on.
1.Meter light bulb and socket
• Check the meter light bulb and socket
for continuity.
Refer to "CHECKING THE BULBS AND
BULB SOCKETS".
• Are the meter light bulb and socket OK?
2.Voltage
" or
• Connect the pocket tester (20 V) to the
meter assembly coupler (wire harness
side) as shown.
Tester positive probe → blue 1
Tester negative probe → black 2
NO
the main
coupler and
assembly
• Set the main switch to "ON".
must be
• Measure the voltage (12 V) of blue 1 on
the meter assembly coupler (wire har-
ness side).
• Is the voltage within specification?
This circuit is OK.
7 - 34
ELEC
YES NO
Replace the meter
light bulb, socket or
both.
YES NO
The wiring circuit
from the
switch to the meter
assembly coupler is
faulty and must be
repaired.
– +
7
main