Checking The Fuel Level Warning Light; Checking The Radiator Fan Motor; Checking The Coolant Temperature Sensor - Yamaha XSR 900 2022 Service Manual

4. Check:
• Fuel sender resistance
Out of specification → Replace the fuel pump
assembly.
Sender unit resistance (full)
9.0–12.0 Ω
Sender unit resistance (empty)
213.0–219.0 Ω
a. Connect the digital circuit tester (Ω) to the
fuel sender terminals as shown.
Digital circuit tester (CD732)
90890-03243
Model 88 Multimeter with ta-
chometer
YU-A1927
• Positive tester probe →
Fuel sender terminal "1"
• Negative tester probe →
Fuel sender terminal "2"
b. Move the fuel sender float to maximum and
minimum level position.
EAS30574
CHECKING THE FUEL LEVEL WARNING
LIGHT
This model is equipped with a self-diagnosis de-
vice for the fuel level detection circuit.
1. Check:
• Fuel level warning light "1"
(Turn the main switch to "ON".)
Warning light comes on for a few seconds,
then goes off → Warning light is OK.
Warning light does not come on → Replace
the meter assembly.
Warning light flashes eight times, then goes
off for 3 seconds in a repeated cycle (mal-
function detected in fuel sender) → Replace
the fuel pump assembly.
ELECTRICAL COMPONENTS
EAS30577

CHECKING THE RADIATOR FAN MOTOR

1. Check:
• Radiator fan motor
a. Disconnect the radiator fan motor coupler
b. Connect the battery (DC 12 V) as shown.
• Positive tester probe
blue "1"
• Negative tester probe
black "2"
2
1
c. Measure the radiator fan motor movement.
EAS30578
CHECKING THE COOLANT TEMPERATURE
SENSOR
1. Remove:
• Coolant temperature sensor
EWA14130
• Handle the coolant temperature sensor
with special care.
• Never subject the coolant temperature sen-
sor to strong shocks. If the coolant tem-
perature sensor is dropped, replace it.
8-47
1
Faulty/rough movement → Replace.
from the wire harness.
Refer to "CYLINDER HEAD" on page 5-27.
WARNING
ABS