SELVA MARINE Blue Whale 250 EFI Service Manual page 329

2. Disconnect the electronic throttle valve
coupler c.
3. Check the wiring harness for continuity.
a b
c
Wiring harness continuity
Terminal No.
Coupler c Coupler a, b
1
2
3
4
5
6
4. Connect the electronic throttle valve cou-
pler c.
5. Disconnect fuse holder couplers d and
e.
6P23H11
ECM and electronic throttle valve control system
c
S6P28510
S6P28830
Color
83 G/R
81 G/B
47 B
45 P
51 O
50 P/W
d
6. Check the wiring harness for continuity.
b
d e
NOTE:
Depending on the outboard motor, the loca-
tion of the red/green terminals (79 and 80) of
the coupler b may be switched.
Wiring harness continuity
Terminal No.
Coupler d, e Coupler b
10
11
27
7. Connect the ECM couplers and fuse
holder couplers, and then disconnect the
electronic throttle valve coupler.
e
S6P28530
S6P28840
Color
79 R/G
80 R/G
66 Y
8-24
1
2
3
4
5
6
7
8
9