5-37
ELEC
Electrical system
10. Connect the fuse holder coupler
b
, and
then install the fuse holder
a
.
11. Install the intake manifold (STBD). See
“Installing the intake manifold” (6-16).
12. Connect the engine ECM coupler
c
.
13. Connect the fuel injector couplers
a
.
Checking the low-pressure fuel
pump and high-pressure fuel pump
1.
Check the operation of the low-pressure
fuel pump and high-pressure fuel pump
using the YDIS “Stationary test” and
check the operating sound.
2.
Disconnect the low-pressure fuel pump
coupler
a
.
3.
Turn the engine start switch to ON, and
then measure the input voltage between
the low-pressure fuel pump coupler
terminal and ground.
4.
Turn the engine start switch to OFF.
5.
Disconnect the high-pressure fuel pump
coupler
b
.
6.
Connect the tester probes to the
terminals of the high-pressure fuel pump
coupler
b
, and then measure the input
voltage within 5 seconds after turning the
engine start switch to ON.
7.
Measure the resistance of the fuel pump
motors.
Wiring harness continuity:
Injector #1
Terminal 1–Terminal 18
Terminal 2–Terminal 87
Injector #2
Terminal 1–Terminal 18
Terminal 2–Terminal 88
Injector #3
Terminal 1–Terminal 18
Terminal 2–Terminal 96
Injector #4
Terminal 1–Terminal 18
Terminal 2–Terminal 97
Injector #5
Terminal 1–Terminal 18
Terminal 2–Terminal 114
Injector #6
Terminal 1–Terminal 18
Terminal 2–Terminal 104
Low-pressure fuel pump input voltage:
Red/Yellow (R/Y)–Ground
12.0 V (battery voltage)
High-pressure fuel pump input voltage:
Red/Yellow (R/Y)–Black (B)
12.0 V (battery voltage)
R/Y
a
b
R/Y
B
Summary of Contents for F225F
Page 1: ...SERVICE MANUAL 6CE 28197 3N 11 F L 225F F L 250D F L 300B ...
Page 4: ......
Page 54: ...1 31 SPEC Specification MEMO ...
Page 89: ...2 34 Lower unit 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 263: ...6 28 Canister 0 1 2 3 4 5 6 7 8 9 10 A j k f b ...
Page 477: ...8 98 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 537: ...9 58 PTT cylinder 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 562: ...A 1 MEMO ...
Page 565: ......
Page 566: ...May 2010 1 ABE E_1 YAMAHA MOTOR CO LTD ...
Page 576: ...A 13 ...