16-96 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
Suspend the sensor [A] in a container of coolant so that
the temperature-sensing projection [C] is submerged.
Suspend an accurate thermometer [B] with temperature
-sensing projection located in almost the same depth with
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
Using a tester, measure the internal resistance of the sen-
If the tester does not show the specified values, replace
Water Temperature Sensor Resistance
*: Reference Information
Fuel Reserve Switch Inspection
Fill the fuel tank with fuel and close the fuel tank cap.
Remove the front seat (see Front Seat Removal in the
Disconnect the fuel pump lead connector [A].
Connect the test light [A] (12 V 3.4 W bulb in a socket
with leads) and the 12 V battery [B] to the fuel pump lead
Battery (+) → 12 V 3.4 W Bulb (One Side)
12 V 3.4 W Bulb (Other Side) → R/BK lead [D]
Battery (–) → BK/W lead [E]
If the test light turn on, the reserve switch is defective.
Replace the fuel pump.