Checking And Adjusting The Throttle Position Sensor - Yamaha XP500 2001 Service Manual

CARBURETORS
EB600071
CHECKING
THROTTLE POSITION SENSOR
NOTE:
S Before adjusting the throttle position sensor,
the engine idling speed should be properly ad-
justed.
1. Check:
S throttle position sensor
a. Disconnect the throttle position sensor cou-
pler.
b. Connect the pocket tester (Ω
throttle position sensor.
Tester positive lead ! blue 1
Tester negative lead ! black 2
c. Check the throttle position sensor resistance
"R1".
Out of specification ! Replace the throttle
position sensor.
Throttle position sensor
resistance "R1"
4 X 6 kΩ at 20_C
(blue – black)
d. Connect the pocket tester (Ω
throttle position sensor.
Tester positive lead ! yellow 3
Tester negative lead ! black 2
e. While slowly opening the throttle, check that
the throttle position sensor resistance "R2" is
within the specified range.
Out of specification ! Replace the throttle
position sensor.
Throttle position sensor
resistance "R2"
0.56 X 0.84 kΩ to 3.01 X
4.51 kΩ at 20_C
(yellow – black)
2. Adjust:
S throttle position sensor angle
a. Loosen the throttle position sensor screws
1 .
b. Turn the throttle position sensor in direction
a or b until the specified closed-throttle re-
sistance is indicated on the pocket tester.
7-10
CARB
AND ADJUSTING
1k) to the
1k) to the
THE