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16-108 ELECTRICAL SYSTEM
Switches and Sensors
Water Temperature Sensor Inspection
•
Remove the water temperature sensor (see Water Tem-
perature Sensor Removal/Installation in the Fuel System
(DFI) chapter).
•
Suspend the sensor [A] in a container of coolant so that
the threaded portion is submerged.
•
Suspend an accurate thermometer [B] with temperature
sensing portions [C] located in almost the same depth.
NOTE
â—‹
The sensor and thermometer must not touch the con-
tainer side or bottom.
•
Place the container over a source of heat and gradu-
ally raise the temperature of the coolant while stirring the
coolant gently.
•
Using a digital meter, measure the internal resistance of
the sensor.
If the digital meter does not show the specified values,
replace the sensor.
Water Temperature Sensor Resistance
Temperature
Resistance (k)
–20°C (–4°F) *18.80 ±2.37
0°C (32°F) *(about 6.544)
40°C (104°F)
1.136 ±0.095
100°C (212°F)
0.1553 ±0.0070
*: Reference Information
Oxygen Sensor Removal (Equipped Models)
NOTICE
Never drop the sensor especially on a hard surface.
Such a shock to the sensor can damage it.
NOTICE
Do not pull strongly, twist, or bend the oxygen sen-
sor lead. This may cause the wiring open.
•
Clear the oxygen sensor lead from the clamp [A].
•
Disconnect the oxygen sensor lead connector [B].
•
Remove:
Right Lower Fairing (see Lower Fairing Removal in the
Frame chapter)
Exhaust Pipe Cover (see Muffler Body Removal in the
Engine Top chapter)
•
Clear the oxygen sensor lead from the clamp [A].
•
Remove the oxygen sensor [B].
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