Electrical System - Yamaha V Star 950 Service Manual

ELECTRICAL SYSTEM

IGNITION SYSTEM.......................................................................................7-1
CIRCUIT DIAGRAM................................................................................7-1
ENGINE STOPPING DUE TO SIDESTAND OPERATION .....................7-3
TROUBLESHOOTING ............................................................................7-5
ELECTRIC STARTING SYSTEM..................................................................7-7
CIRCUIT DIAGRAM................................................................................7-7
STARTING CIRCUIT CUT-OFF SYSTEM OPERATION.........................7-9
TROUBLESHOOTING ..........................................................................7-11
CHARGING SYSTEM .................................................................................7-13
CIRCUIT DIAGRAM..............................................................................7-13
TROUBLESHOOTING ..........................................................................7-15
LIGHTING SYSTEM ...................................................................................7-17
CIRCUIT DIAGRAM..............................................................................7-17
TROUBLESHOOTING ..........................................................................7-19
SIGNALING SYSTEM.................................................................................7-21
CIRCUIT DIAGRAM..............................................................................7-21
TROUBLESHOOTING ..........................................................................7-23
FUEL INJECTION SYSTEM .......................................................................7-27
CIRCUIT DIAGRAM..............................................................................7-27
ECU SELF-DIAGNOSTIC FUNCTION .................................................7-29
FAIL-SAFE ACTIONS
(SUBSTITUTE CHARACTERISTICS OPERATION CONTROL) ..........7-30
TROUBLE SHOOTING CHART............................................................7-31
DIAGNOSTIC MODE............................................................................7-32
TROUBLESHOOTING DETAILS ..........................................................7-33
FUEL PUMP SYSTEM................................................................................7-69
CIRCUIT DIAGRAM..............................................................................7-69
TROUBLESHOOTING ..........................................................................7-71
ELECTRICAL COMPONENTS...................................................................7-73
CHECKING THE SWITCHES...............................................................7-77
CHECKING THE BULBS AND BULB SOCKETS.................................7-80
CHECKING THE FUSES......................................................................7-81
CHECKING AND CHARGING THE BATTERY.....................................7-82
CHECKING THE RELAYS....................................................................7-85
CHECKING THE TURN SIGNAL RELAY .............................................7-86
CHECKING THE DIODES ....................................................................7-87
CHECKING THE IGNITION SPARK GAP ............................................7-88
CHECKING THE SPARK PLUG CAPS ................................................7-88
CHECKING THE IGNITION COILS ......................................................7-88
7