Yamaha F200B Service Manual

ELEC
Electrical system
Electrical component......................................................... 5-1
Port............................................................................................. 5-1
Starboard.................................................................................... 5-2
Fuse holder ................................................................................ 5-3
Rear............................................................................................ 5-4
Top ............................................................................................. 5-5
Wiring harness routing...................................................... 5-6
Port............................................................................................. 5-6
Starboard.................................................................................... 5-9
Rear.......................................................................................... 5-12
Top ........................................................................................... 5-15
Bottom cowling ......................................................................... 5-18
Circuit diagram................................................................. 5-22
ECM coupler layout.......................................................... 5-24
Checking the electrical component................................ 5-26
Using the YDIS......................................................................... 5-26
Measuring the peak voltage ..................................................... 5-26
Using the digital tester.............................................................. 5-27
Engine control system and component......................... 5-27
Checking the main relay........................................................... 5-27
Checking the engine ECM circuit ............................................. 5-28
Checking the APS .................................................................... 5-29
Checking the APS circuit.......................................................... 5-30
Checking the ETV and TPS ..................................................... 5-31
Checking the ETV motor relay ................................................. 5-32
Checking the ETV and TPS circuit ........................................... 5-33
Checking the cam position sensor ........................................... 5-34
Checking the OCV.................................................................... 5-37
Checking the oil pressure sensor ............................................. 5-39
Checking the water pressure sensor (optional)........................ 5-40
Checking the speed sensor (optional)...................................... 5-41
Fuel control unit and component ................................... 5-43
Checking the water detection switch ........................................ 5-43
Checking the fuel injector ......................................................... 5-44
Checking the low-pressure fuel pump and
high-pressure fuel pump........................................................... 5-46
Checking the high-pressure fuel pump relay............................ 5-47
Checking the vapor shut-off valve ............................................ 5-48
Charging unit and component ........................................ 5-50

Yamaha F200B Specifications

General

Brand	Yamaha
Model	F200B
Category	Outboard Motor
Language	English