Checking The Bulbs And Bulb Sockets; Types Of Bulbs; Checking The Condition Of The Bulb Sockets - Yamaha 2012 TMAX XP500A Service Manual

EAS27990
CHECKING THE BULBS AND BULB SOCK-
ETS
TIP
Do not check any of the lights that use LEDs.
Check each bulb and bulb socket for damage
or wear, proper connections, and also for conti-
nuity between the terminals.
Damage/wear → Repair or replace the bulb,
bulb socket or both.
Improperly connected → Properly connect.
No continuity → Repair or replace the bulb,
bulb socket or both.

Types of bulbs

The bulbs used on this vehicle are shown in
the illustration.
• Bulbs "a" are used for the headlights. The
bulb and socket can be removed as a set by
turning the bulb socket counterclockwise.
• Bulbs "b" are used for turn signal lights and
can be removed from the socket by pushing
and turning the bulb counterclockwise.
• Bulbs "c" are used for auxiliary, license plate
and storage box lights and can be removed
from their respective socket by carefully pull-
ing them out.
Checking the condition of the bulbs
The following procedure applies to all of the
bulbs.
1. Remove:
• Bulb
EWA4B51012
WARNING
Since the headlight bulbs get extremely
hot, keep flammable products and your
hands away from them until they have
cooled down.
ECA4B51010
• Be sure to hold the socket firmly when
removing the bulb. Never pull the lead,
otherwise it may be pulled out of the ter-
minal in the coupler.
ELECTRICAL COMPONENTS
• Avoid touching the glass part of the head-
light bulb to keep it free from oil, other-
wise the transparency of the glass, the
life of the bulb, and the luminous flux will
be adversely affected. If the headlight
bulb gets soiled, thoroughly clean it with
a cloth moistened with alcohol or lacquer
thinner.
2. Check:
• Bulb (for continuity)
(with the pocket tester)
No continuity → Replace.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
TIP
Before checking for continuity, set the pocket
tester to "0" and to the "Ω × 1" range.
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a. Connect the positive tester probe to termi-
nal "1" and the negative tester probe to ter-
minal "2", and check the continuity.
b. If reading indicate no continuity, replace the
bulb.
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Checking the condition of the bulb sockets

The following procedure applies to all of the
bulb sockets.
1. Check:
• Bulb socket (for continuity)
(with the pocket tester)
No continuity → Replace.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
8-126