SELVA MARINE Fin Whale 225 EFI, Service Manual

Page: 342 / 399

ELEC
Electrical system
– +
8-31
6AL3J11
Checking the accelerator position
sensor circuit
1. Disconnect the ECM coupler
a
.
2. Disconnect the accelerator position sen-
sor coupler
b
.
3. Check the wiring harness for continuity.
4. Connect the ECM coupler
a
.
5. Turn the engine start switch to “ ON, ” and
then measure the input voltage at each
terminal of the accelerator position sen-
sor coupler
b
(wiring harness end).
6. Turn the engine start switch to “ OFF. ”
7. Connect the accelerator position sensor
coupler
b
.
Checking the electronic throttle
valve and TPS
1. Connect a computer to the outboard
motor and use the YDIS to display
“ Throttle position sensor 1, ” “ Throttle
valve opening, ” and “ Throttle position
sensor 2. ”
S6P28560
a
S6AL8930
b
S6P28850
a b
Wiring harness continuity
Terminal No.
Color
Coupler
a
Coupler
b
40 1 B
44 2 O
38 3 P
31 6 P/W
41 7 B
49 8 O
Accelerator position sensor input
voltage (reference data):
Terminal
2
(O) – Terminal
1
(B)
Terminal 8 (O) – Terminal 7 (B)
4.75 – 5.25 V
S6AL8591
STBD
b
8 7 2 1