Yamaha FZS1000N Service Manual page 356

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