Yamaha SX150C Service Manual page 289

– +
ELEC
8360
IGNITION CONTROL SYSTEM
MEASURING THE THROTTLE
POSITION SENSOR OUTPUT
VOLTAGE
Measure:
• Throttle position sensor output volt-
age
Out of specification → Check the CDI
unit.
Throttle position sensor output
voltage
Orange (O) – Pink (P)
0.48 - 5.25 V
Measuring steps
(1) Connect the test harness (3-pin) as
shown.
Test harness (3-pin)
YB-06443 / 90890-06757
(2) Connect the battery leads to a 12-V
battery.
(3) Turn the engine switch to the on posi-
tion.
(4) Measure the throttle position sensor
output voltage.
NOTE:
Make sure the throttle position sensor out-
put voltage is within specification when the
throttle is fully closed and fully opened.
8-20
E
8