Checking The Aps Circuit - Yamaha F200B Service Manual

F200B and FL200B:
APS output voltage (reference data):
Fully closed c
Item
APS 1 0.550–0.850 V
APS 2 0.400–1.000 V
F250G and FL250G:
APS output voltage (reference data):
Fully closed c
Item
APS 1 0.500–0.850 V
APS 2 0.400–1.000 V
4. Check that the output voltages of APS 1
and APS 2 change continuously when
the remote control lever is operated.
5. Turn the engine start switch to OFF.
6. Remove the intake manifold (STBD).
See "Removing the intake manifold" (6-
17).
7. Disconnect the throttle cable joint from
the APS.
8. Disconnect the APS coupler e.
e
9. Measure the APS resistance when the
accelerator lever a is at the fully closed
position f and fully open position g.
Fully open d
Above 3.250 V
Fully open d
4.950 V
Engine control system and component
È
f
a
h k mn
È Fully closed position
É Fully open position
APS resistance at 20 °C (68 °F)
(reference data):
Item Terminal
h–k
APS 1
m–n
APS 2
10. Connect the APS coupler.
11. Connect the throttle cable joint to the
APS.
12. Install the intake manifold (STBD). See
"Installing the intake manifold" (6-18).

Checking the APS circuit

1. Remove the intake manifold (STBD).
See "Removing the intake manifold" (6-
17).
2. Disconnect the APS coupler a.
3. Turn the engine start switch to ON, and
then measure the input voltage at the
APS coupler a.
É
g
a
Fully Fully
closed f open g
0.8 kΩ 5.3 kΩ
5-30
5