Yamaha WaveRunner - Electrical System

E
– +
ELEC
7
CHAPTER 7
ELECTRICAL SYSTEM
ELECTRICAL COMPONENTS........................................................................7-1
ELECTRICAL BOX..........................................................................................7-2
EXPLODED DIAGRAM .............................................................................7-2
REMOVAL AND INSTALLATION CHART ................................................7-2
ELECTRICAL ANALYSIS ...............................................................................7-9
INSPECTION.............................................................................................7-9
Digital tester ........................................................................................7-9
Low resistance measurement ...........................................................7-10
Peak voltage measurement ..............................................................7-10
Peak voltage adapter ........................................................................7-11
Test harness ....................................................................................7-11
IGNITION SYSTEM .......................................................................................7-12
WIRING DIAGRAM .................................................................................7-12
IGNITION SPARK ...................................................................................7-14
IGNITION SYSTEM PEAK VOLTAGE ....................................................7-15
BATTERY ................................................................................................7-17
FUSE .......................................................................................................7-17
SPARK PLUGS .......................................................................................7-17
IGNITION COIL .......................................................................................7-18
ENGINE STOP SWITCH.........................................................................7-18
ENGINE TEMPERATURE SENSOR ......................................................7-19
SENSOR ASSEMBLY .............................................................................7-19
THERMOSWITCH (ENGINE)..................................................................7-20
THERMOSWITCH (EXHAUST) ..............................................................7-20
MAIN AND FUEL PUMP RELAY.............................................................7-21
THROTTLE POSITION SENSOR ...........................................................7-22
CAM POSITION SENSOR ......................................................................7-23
NOISE FILTER ........................................................................................7-24
SLANT DETECTION SWITCH ................................................................7-24
FUEL CONTROL SYSTEM ...........................................................................7-25
WIRING DIAGRAM .................................................................................7-25
FUEL PUMP ............................................................................................7-27
FUEL SENDER .......................................................................................7-27
FUEL INJECTOR ....................................................................................7-28
MAIN AND FUEL PUMP RELAY.............................................................7-28
OIL PRESSURE SWITCH.......................................................................7-28
THERMOSWITCH (ENGINE)..................................................................7-28
THERMOSWITCH (EXHAUST) ..............................................................7-28
SLANT DETECTION SWITCH ................................................................7-28
REMOTE CONTROL UNIT .....................................................................7-28