Electrical System - Yamaha YFM70RY Service Manual

ELECTRICAL SYSTEM

IGNITION SYSTEM ......................................................................................... 8-1
CIRCUIT DIAGRAM .................................................................................. 8-1
TROUBLESHOOTING .............................................................................. 8-3
ELECTRIC STARTING SYSTEM .................................................................... 8-5
CIRCUIT DIAGRAM .................................................................................. 8-5
STARTING CIRCUIT CUT-OFF SYSTEM OPERATION .......................... 8-7
TROUBLESHOOTING .............................................................................. 8-9
CHARGING SYSTEM.................................................................................... 8-11
CIRCUIT DIAGRAM ................................................................................ 8-11
TROUBLESHOOTING ............................................................................ 8-13
LIGHTING SYSTEM ...................................................................................... 8-15
CIRCUIT DIAGRAM ................................................................................ 8-15
TROUBLESHOOTING ............................................................................ 8-17
SIGNALING SYSTEM ................................................................................... 8-19
CIRCUIT DIAGRAM ................................................................................ 8-19
TROUBLESHOOTING ............................................................................ 8-21
COOLING SYSTEM....................................................................................... 8-25
CIRCUIT DIAGRAM ................................................................................ 8-25
TROUBLESHOOTING ............................................................................ 8-27
FUEL INJECTION SYSTEM.......................................................................... 8-29
CIRCUIT DIAGRAM ................................................................................ 8-29
ECU SELF-DIAGNOSTIC FUNCTION.................................................... 8-31
SELF-DIAGNOSTIC FUNCTION TABLE ................................................ 8-31
TROUBLESHOOTING METHOD............................................................ 8-33
DIAGNOSTIC MODE .............................................................................. 8-33
TROUBLESHOOTING DETAILS ............................................................ 8-38
FUEL PUMP SYSTEM................................................................................... 8-51
CIRCUIT DIAGRAM ................................................................................ 8-51
TROUBLESHOOTING ............................................................................ 8-53
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