5-34
Fuel control unit and component
0
1
2
3
4
5
6
7
8
9
10
A
3.
Remove the oil pressure sensor, and
then connect the pressure pump
a
and
special service tool
b
.
4.
Apply positive pressure to the oil
pressure sensor slowly, and then
measure the output voltage at the
specified pressures.
5.
Turn the engine start switch to OFF, and
then disconnect the special service tool
b
and pressure pump
a.
6.
Disconnect the engine ECM coupler
b
.
7.
Check the wiring harness for continuity.
8.
Connect the engine ECM coupler
b
.
9.
Connect the oil pressure sensor coupler
a
.
Fuel control unit and component
Checking the water detection switch
1.
Disconnect the water detection switch
coupler
a
.
2.
Turn the engine start switch to ON, and
then measure the input voltage at the
water detection switch coupler.
Oil pressure sensor input voltage:
Orange (O)–Black (B)
4.75 V–5.25 V
Pressure pump
a
:
(commercially available)
Test harness (3 pins)
b
: 90890-06869
Oil pressure sensor output voltage
(reference data):
Pink/White (P/W)–Black (B)
2.5 V at 392.0 kPa
(3.92 kgf/cm
2
, 56.8 psi)
4.5 V at 784.0 kPa
(7.84 kgf/cm
2
, 113.7 psi)
P/W
O
B
B
G/W
G
b
b
a
Wiring harness continuity:
Terminal 1–Terminal 70
Terminal 2–Terminal 77
Terminal 3–Terminal 76
b
77 76
70
3
2
1
a
b
a
L/W
B
Engine control unit and component / Fuel control unit and component
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 ...