Yamaha FZ6-SS 2004, Service Manual, Page: 409 / 456

8-31
High beam indicator light (LEDs)
Positive tester probe
!
yellow
Negative tester probe
!
black / white
YES NO
1. Headlight bulb and socket
S
Check the headlight bulb and socket for con-
tinuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
S
Are the headlight bulb and socket OK?
Replace the head-
light bulb, socket or
both.
YES NO
2. Voltage
S
Connect the pocket tester (DC 20 V) to the
headlight and meter assembly couplers as
shown.
The wiring circuit
from the main switch
to the headlight cou-
pler is faulty and
must be repaired.
When the dimmer switch is set to “ ”
When the dimmer switch is set to “ ”
Headlight coupler (wire harness side)
Low beam
Headlight
Positive tester probe
!
black
Negative tester probe
!
black / green
1
2
Meter assembly coupler (wire harness side)
S
Turn the main switch to “ON”.
S
Start the engine.
S
Set the dimmer switch to “ ” or “ ”.
S
Measure the voltage (DC 12 V) of
black / green
or black / yellow on the
headlight coupler (wire harness side).
S
Is the voltage within specification?
2
This circuit is OK.
A
B
Headlight
Positive tester probe
!
black
Negative tester probe
!
black / yellow
A
Headlight coupler (wire harness side)
High beam
B
5
6
3
4
4
LIGHTING SYSTEM
ELEC
EAS00788
CHECKING THE LIGHTING SYSTEM
1. The headlight and the high beam indicator
light fail to come on.