- Sub-throttle position sensor
Refer to «Checking the sub-throttle position sensor».
2. Adjust:
- Sub-throttle position sensor full open angle
a. Turn the nut «1» of the worm shaft of the sub-throttle counterclockwise until it contacts with the full open stopper.
b. When the dimension of «a» sections of the throttle bodies #3 and #4 is measured with a micrometer caliper, adjust with the adjuster «2» of the output shaft section of the sub-throttle servo motor so that the dimension is in a range from 24.2 to 24.6 mm (0.95 to 0.97 in)..
Sub-throttle dimension «a»: 24.2-24.6 mm (0.95-0.97 in).
c. After adjusting the dimension of «a» sec- tions of the throttle bodies #3 and #4, mea- sure the dimension of «a» sections of #1 and #2.
d. If the dimension of «a» sections of the throt- tle bodies #1 and #2 is different from the dimension of «a» sections of the throttle bodies #3 and #4, adjust it to the same dimension as the measurement value adjusted for the throttle bodies #3 and #4, using the tuning screw «3» located between the throttle bodies #2 and #3.
A. Front side; B. Rear side
3. Adjust:
- Primary opening
a. After performing the full open angle of the sub-throttle position sensor, turn the nut of the worm shaft clockwise, measure the dimension of «b» section with a micrometer caliper or other device and adjust so that the dimension is in a range from 8.1 to 8.5 mm (0.32 to 0.33 in).
Sub-throttle dimension «b»: 8.1-8.5 mm (0.32-0.33 in).
A. Front side; B. Rear side
4. Adjust:
- Sub-throttle position sensor voltage
a. Connect the sub-throttle position sensor coupler to the wire harness.
b. Connect the digital circuit tester to the subthrottle position sensor.
Positive tester probe: Green/Yellow terminal «1».
Negative tester probe: Black/Blue terminal «2».
Digital circuit tester: 90890-03174.
Model 88 Multimeter with tachometer: YU-A1927.
c. Move the sub-throttle position sensor to adjust to be in the specified range.
Sub-throttle position sensor voltage: 0.97-1.07 V.
d. After adjusting the sub-throttle position sensor voltage, tighten the sub-throttle position sensor screws.
Notes:
- After setting up the sub-throttle position sen- sor, check that the sub-throttle position sen- sor output voltage is 0.4 V or more with the nut of worm shaft turned to the full close side until it stops.
- When the sub-throttle position sensor output voltage is 0.4 V or more, check that the sub- throttle position sensor output voltage is 4.6 V or less with the nut of worm shaft turned to the full open side until it stops.
5. Connect:
- Sub-throttle motor assembly coupler