Yamaha XV19SX(C) Service Manual page 478

A
1
B
1
A. Horn 1
B. Horn 2
c. Measure the horn resistance.
L LLL L LLL L L LLL L L LLL L
2. Check:
• Horn sound
Faulty sound → Adjust or replace.
M MMM M MMM M M MMM M M MMM M
a. Connect a battery (12 V) to the horn.
b. Turn the adjusting screw in direction "a" or "b"
until the horn sound is obtained.
2
2
L LLL L L LLL L LLL
M MMM M M MMM M MMM
7-87
ELECTRICAL COMPONENTS
A
B
a
A. Horn 1
B. Horn 2
L LLL L LLL L L LLL L L LLL L
EAS28210
CHECKING THE ENGINE TEMPERATURE
SENSOR
1. Remove:
• Engine temperature sensor
(from the front cylinder head)
EWA14140
WARNING
• Handle the engine temperature sensor with
special care.
• Never subject the engine temperature sen-
sor to strong shocks. If the engine temper-
ature sensor is dropped, replace it.
2. Check:
• Engine temperature sensor resistance
Out of specification → Replace.
Engine temperature sensor resis-
tance
0.90–1.10 kΩ at 100 °C (212 °F)
M MMM M MMM M M MMM M M MMM M
a. Connect the pocket tester (Ω × 1 k) to the en-
gine temperature sensor terminals as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
a b
b
L LLL L L LLL L LLL
M MMM M M MMM M MMM