Yamaha FZS1000N, Service Manual

Page: 356 / 394

8-33
LIGHTING SYSTEM
ELEC
Headlight
Positive tester probe
!
black / yellow or black / green
Negative tester probe
!
black
High beam indicator light
Positive tester probe
!
black / yellow
Negative tester probe
!
black
2. Vollage
Connect the pocket tester (DC 20 V) to the
meter light coupler (wire harness side) as
shown.
Positive tester probe
!
blue
Negative tester probe
!
black
1
2
YES NO
Replace the headlight
bulb, socket or both
EAS00789
2. The meter light fails to come on.
YES
NO
1. Meter light bulb and socket
Check the meter light bulb and socket for
continuity.
Replace the meter
light bulb, socket of
both.
EAS00788
CHECKING THE LIGHTING SYSTEM
1. The headlight and the high beam indicator
light fail to come on.
1. Headlight buld and scocket
Check the headlight bulb and socket for
continuity.
1 2
3
4
5
2. Voltage
Connect the pocket tester (DC 20 V) to the
headlight and high beam indicator light cou-
plers as shown.
A
B When the dimmer switch is set to “ ”.
When the dimmer switch is seto to “ ”.
Set the main switch to “ON”.
Set the dimmer switch to “
” or “ ”.
Measure the voltage (12 V) (wire harness
side).
YES NO
This circuit is OK.
The wiring circuit
from the main switch
to the headlight cou-
pler is faulty and
must be repaired.
Headlight coupler (wire harness side)
Meter light coupler (wire harness side)
Are the headlight bulb and socket OK?
Is the voltage within specification?
Are the meter light bulb and socket OK?