Yamaha Tracer MT09TRAH 2017, Service Manual

Page: 527 / 574

ELECTRICAL COMPONENTS
8-156
EAS30550
CHECKING THE BULBS AND BULB
SOCKETS
Check each bulb and bulb socket for damage or
wear, proper connections, and also for continuity
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 turn signal lights and can
be removed from the socket by pushing and
turning the bulb counterclockwise.
•
Bulb “b” is used for license plate light and can
be removed from the socket by carefully pulling
them out.
Checking the condition of the bulbs
The following procedure applies to all of the
bulbs.
1. Remove:
• Bulb
2. Check:
• Bulb (for continuity)
(with the digital circuit tester)
No continuity

Replace.
TIP
Before checking for continuity, set the digital cir-
cuit tester to the “

” range.
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a. Connect the positive tester probe to terminal
“1” and the negative tester probe to terminal
“2”, and check the continuity.
b. If either of the readings 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 digital circuit tester)
No continuity

Replace.
TIP
Check each bulb socket for continuity in the
same manner as described in the bulb section;
however, note the following.
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a. Install a good bulb into the bulb socket.
b. Connect the digital circuit tester probes to the
respective leads of the bulb socket.
c. Check the bulb socket for continuity. If any of
the readings indicate no continuity, replace
the bulb socket.
a
b
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with tachom-
eter
YU-A1927
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with tachom-
eter
YU-A1927
1
2