7-11
CARB
CHECKING THE THROTTLE POSITION SEN-
SOR
NOTE:
Before checking the throttle position sensor, the
engine idling speed should be properly adjusted.
1. Check:
8throttle position sensor
*****************************************************
a. Turn the main switch to “ON”.
b. Connect the pocket tester (DC 20V) to the
throttle position sensor.
Tester positive lead J yellow/blue 1
Tester negative lead Jblack/blue2
c. Check the throttle position sensor input volt-
age.
DC5V voltage positive lead Jblue 3
DC5V voltage negative lead Jblack/blue2
Out of specification J Replace the car-
buretor .
cC
Please do not make any adjustment on
throttle position sensor.
*****************************************************
CARBURETOR
31
2
B/L
Y/L
L
L
B/L
Y/L
2.8~3.4V.
0.625~0.775V
throttle opens.
throttle closes.
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