5-14
Engine control unit and component
0
1
2
3
4
5
6
7
8
9
10
A
5.
Turn the engine start switch to OFF, and
then install the main relay.
Checking the engine ECM circuit
1.
Disconnect the engine ECM coupler “a”.
2.
Check for continuity between the engine
ECM coupler terminals and ground.
3.
Measure the input voltage at the engine
ECM coupler terminal and ground.
4.
Turn the engine start switch to ON, and
then measure the input voltage at the
engine ECM coupler terminal and
ground.
Main relay input voltage:
Terminal “a”–Terminal “b”
12 V (battery voltage)
b
a
a
Wiring harness continuity:
Terminal 32–Ground
Terminal 42–Ground
Engine ECM input voltage:
Terminal 16–Ground
12 V (battery voltage)
42
32
16
Summary of Contents for F150A
Page 1: ...SERVICE MANUAL 63P 28197 3P 12 F150A FL150A F150B FL150B ...
Page 4: ......
Page 48: ...2 3 Electronic control system Engine ECM component 2 3 4 6 5 1 8 7 10 9 11 12 14 15 16 13 17 ...
Page 110: ...3 41 Propeller selection MEMO ...
Page 129: ...4 18 Outboard motor troubleshooting MEMO ...
Page 175: ...5 44 PTT system 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 247: ...7 22 Starter motor Terminal nut 3 9 N m 0 9 kgf m 6 6 ft lb ...
Page 385: ...8 78 Shimming counter rotation model 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 449: ...9 62 PTT gear pump 0 1 2 3 4 5 6 7 8 9 10 A MEMO ...
Page 474: ...i 8 Index 0 1 2 3 5 6 7 8 9 10 10 A MEMO ...
Page 475: ......
Page 476: ...Oct 2011 2 ABE E ...