Checking The Engine Temperature Sensor; Checking The Fuel Sender - Yamaha SR400 2014 Service Manual

Table of Contents

Advertisement

▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Disconnect the horn leads from the horn ter-
minals.
b. Connect the pocket tester (  1) to the horn
terminals.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
• Positive tester probe
Horn terminal "1"
• Negative tester probe
Horn terminal "2"
c. Measure the horn resistance.
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
2. Check:
• Horn sound
Faulty sound  Replace.
EAS28211
CHECKING THE ENGINE TEMPERATURE
SENSOR
1. Remove:
• Engine temperature sensor
Refer to "CYLINDER HEAD" on page 5-6.
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
210–220 @100 C (210–220
@212 F)
ELECTRICAL COMPONENTS
▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼▼
a. Connect the pocket tester (  100) to the en-
b. Immerse the engine temperature sensor "1"
TIP
Make sure that the engine temperature sensor
terminals do not get wet.
c. Place a thermometer "3" in the water.
d. Heat the water or let it cool down to the spec-
e. Measure the engine temperature sensor re-
1
2
▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲▲
3. Install:
• Engine temperature sensor
EAS28230

CHECKING THE FUEL SENDER

1. Remove:
• Fuel sender
7-69
gine temperature sensor terminal as shown.
Pocket tester
90890-03112
Analog pocket tester
YU-03112-C
in a container "2" filled with water.
ified temperatures.
sistance.
Engine temperature sensor
18 Nm (1.8 m·kgf, 13 ft·lbf)
(from the fuel tank)

Advertisement

Table of Contents
loading

This manual is also suitable for:

Sr400e 2014

Table of Contents