Yamaha WaveRunner FX SHO Service Manual page 309

– +
ELEC
Control system
1
b
a
È
É
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.
APS output voltage:
Throttle lever position
Item
Fully closed È
APS 1 0.50–0.90 V
APS 2 0.35–1.05 V
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 difference (with
throttle lever fully open):
0.75 V or less
E
1
2
3
4
5
Fully open É
6
3.75–4.35 V
3.60–4.50 V
7
8
9