Service manual

ELEC
8-27
LIGHTING SYSTEM
EAS00788
CHECKING THE LIGHTING SYSTEM
1. The headlight and the high beam indicator
light fail to come on.
The dimmer switch
is faulty. Replace
the left handlebar
switch.
EAS00784
1. Dimmer switch
9
Check the dimmer switch for continuity.
Refer to “CHECKING THE SWITCHES”.
9
Is the dimmer switch OK?
YES NO
2. Headlight bulb and socket
9
Check the headlight bulb and socket for con-
tinuity.
Refer to “CHECKING THE BULBS AND
BULB SOCKETS”.
9
Are the headlight bulb and socket OK?
YES NO
Replace the head-
light bulb, socket or
both.
3. Voltage
9
Connect the pocket tester (AC 20 V) to the
headlight and high beam indicator light con-
nectors as shown.
å
When the dimmer switch is set to “
%
”.
∫
When the dimmer switch is set to “
&
”.
Headlight
Positive tester probe
→→
green
11
or yellow
22
Negative tester probe
→→
black
33
High beam indicator light
Positive tester probe
→→
yellow
44
Negative tester probe
→→
black
55
9
Set the main switch to “ON”.
9
Start the engine.
9
Set the dimmer switch to “
%
” or “
&
”.
9
Measure the voltage (AC 12 V) of green
1
(yellow
2
) on the headlight connector (wire
harness side) and yellow
4
on the meter
assembly connector (wire harness side).
9
Is the voltage within specification?
YES NO
Replace the rectifi-
er/regulator.
This circuit is OK.
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