16-22 ELECTRICAL SYSTEM
Throttle Sensor Inspection
If the variable rheostat is not available, refer to throttle
sensor output/input voltage check in the C.D.I. Unit in-
When inspecting the throttle sensor the throttle valve of
the carburetor shall be completely closed and remain
the throttle cable connected.
Remove the carburetor (see Carburetor Removal in the
Fuel System chapter).
Connect the throttle sensor lead connector [A] with the
battery [B], variable rheostat [C] and hand testers [D] as
Variable Rheostat (+) → Blue Lead Terminal [E]
Hand Tester (+) → Yellow Lead terminal [F]
Hand Tester (–) → Black Lead terminal [G]
Check the sensor input voltage.
Throttle Sensor Input Voltage
Check the sensor output voltage with the throttle valve is
Throttle Sensor Output Voltage
0.68 ±0.1 V (when the engine speed is
If it is not within the specified voltage, adjust the throt-
tle sensor position (see Throttle Sensor Position Adjust-
If it is within specified voltage, go to next test.
Check the sensor output voltage with the throttle fully
Throttle sensor Output Voltage
3.5 ∼ 3.7 V (When throttle fully opened.)
If it is not within the specified voltage, replace the sensor.
around 5 V