Yamaha WaveRunner FX Cruiser SHO, Service Manual

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7-32
1. Connect a computer to the watercraft and
use the YDIS to display the “ Accelerator
position sensor 1 ” and “ Accelerator posi-
tion sensor 2. ”
NOTE:
APS 1 and APS 2 are a single unit, which can-
not be disassembled.
2. Check that the APS pulley stopper
a
con-
tacts the fully closed stopper
b
when the
throttle lever 1 is at the fully closed posi-
tion
È
.
NOTE:
To adjust the throttle cable, refer to “ Throttle
lever free play check and adjustment ” in Chap-
ter 3.
3. Push the unlock button, operate the throt-
tle lever
1
, and then check the output volt-
ages of APS 1 and APS 2 at the fully
closed position
È
and fully open position
É
.
NOTE:
The actual APS output voltage may vary
according to environmental conditions.
4. Squeeze the throttle lever 1 to the fully
open position, and then check the voltage
difference between APS 1 and APS 2.
APS output voltage:
Item
Throttle lever position
Fully closed
È
Fully open
É
APS 1 0.50 – 0.90 V 3.75 – 4.35 V
APS 2 0.35 – 1.05 V 3.60 – 4.50 V
APS output voltage difference (with
throttle lever fully open):
0.75 V or less
b
a
È
É
1
Control system