Accelerator Position Sensor - Yamaha WaveRunner FX SHO Service Manual

– +
ELEC
1
1
2
d
Control system
2 3
3
3. Check:
• TPS circuit
No continuity → Replace the wiring har-
ness assembly.
Wiring harness is correct → Replace the
throttle body assembly.
Checking steps:
1. Disconnect the throttle body assembly
coupler 1.
2. Disconnect the ECM couplers 2 and 3.
3. Check the wiring harness for continuity.
Wiring harness continuity:
Terminal No.
Coupler 1
1
2
3
4
5
6

Accelerator position sensor

1. Check:
• APS output voltage
Out of specification → Measure the APS
input voltage.
Checking steps:
NOTE:
When checking the APS using the YDIS, do
not start the engine.
7-31
Color
Coupler 2, 3
42
44
78
43 P/B
41 B/O
52
E
1
2
3
P
O
4
G
L
5