Yamaha YZ 2016 Series, Owner'S Service Manual

Page: 368 / 392

ELECTRICAL COMPONENTS
8-66
2. Check:
• Coolant temperature sensor resistance
Out of specification

Replace.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect the pocket tester (
 
1k/100) to
the coolant temperature sensor.
b. Immerse the coolant temperature sensor in
a container filled with coolant.
TIP
Make sure the coolant temperature sensor ter-
minals do not get wet.
c. Place a thermometer in the coolant.
d. Slowly heat the coolant, and then let it cool
to the specified temperature indicated in the
table.
e. Check the coolant temperature sensor for
continuity at the temperatures indicated in
the table.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
EASB296362
CHECKING THE THROTTLE POSITION
SENSOR
1. Remove:
• Throttle position sensor
(from the throttle body)
EWA
WARNING
• Handle the throttle position sensor with
special care.
• Never subject the throttle position sensor
to strong shocks. If the throttle position
sensor is dropped, replace it.
2. Check:
• Throttle position sensor maximum resis-
tance
Out of specification

Replace.
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect the pocket tester (
 
1k) to the
throttle position sensor.
Coolant temperature sensor re-
sistance
2512–2777

at 20 °C (2512–
2777

at 68 °F)
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe

Green/White “1”
• Negative tester probe

Black/Blue “2”
1 2
G/W B/L
B/L G/W
Resistance
6.30 k

Pocket tester
90890-03112
Analog pocket tester
YU-03112-C