Yamaha XV1600A1999 Service Manual page 374

CARBURETOR
d. Connect the pocket tester (Ω
throttle position sensor.
Positive tester probe ! yellow terminal 3
Negative tester probe ! black terminal 2
e. While slowly opening the throttle, check that
the throttle position sensor resistance is with-
in the specified range.
NOTE:
Check mainly that the resistance changes grad-
ually when turning the throttle, since the read-
ings (from closed to wide-open throttle) may dif-
fer slightly from those specified.
Out of specification or the resistance
changes abruptly ! Go to step 2 below.
Throttle position sensor
resistance
(520
at 20_C
(yellow – black)
2. Check:
S throttle position sensor
(removed from the carburetor)
a. Disconnect the throttle position sensor cou-
pler from the wire harness.
b. Remove the throttle position sensor from the
carburetor.
c. Connect the pocket tester (Ω
throttle position sensor.
Positive tester probe ! blue terminal 1
Negative tester probe ! black terminal 2
6-16
CARB
1k) to the
900 Ω)
(4.0 6.0 kΩ)
1k) to the
E