APRILIA Atlantic 500 Workshop Manual page 4

Atlantic 500
Chapter 3
ENGINE COMPONENTS THAT CAN BE REMOVED WITHOUT REMOVING THE ENGINE .............. 3-2
REMOVING THE ENGINE FROM THE FRAME ................................................................................... 3-3
Chapter 4
FUEL PUMP AND TANK ........................................................................................................................ 4-2
EMS FUEL INJECTION SYSTEM.......................................................................................................... 4-2
FUEL SUPPLY SYSTEM ....................................................................................................................... 4-3
CHECKING THE FUEL SUPPLY SYSTEM ........................................................................................... 4-4
REMOVING/DISASSEMBLING THE FUEL PUMP ................................................................................ 4-5
DISASSEMBLING AND CHECKING THE PUMP AND FUEL LEVEL PROBE ...................................... 4-6
THROTTLE UNIT ................................................................................................................................... 4-6
REMOVING THE THROTTLE UNIT ...................................................................................................... 4-7
Chapter 5
SYSTEM DESCRIPTION ....................................................................................................................... 5-2
COOLANT .............................................................................................................................................. 5-2
REMOVING THE RADIATOR ................................................................................................................ 5-3
REMOVING THE ELECTRIC COOLING FAN ....................................................................................... 5-3
REMOVING THE EXPANSION TANK ................................................................................................... 5-4
THERMOSTAT VALVE ........................................................................................................................... 5-5
COOLANT PUMP .................................................................................................................................. 5-5
COOLANT THERMISTOR ..................................................................................................................... 5-5
Chapter 6
CHECKING THE RECHARGE SYSTEM ............................................................................................... 6-2
CHECKING THE RECHARGE VOLTAGE ............................................................................................. 6-2
CHECKING THE ALTERNATOR WITHOUT LOAD ............................................................................... 6-2
CHECKING THE ALTERNATOR CONTINUITY ..................................................................................... 6-3
VOLTAGE REGULATOR ........................................................................................................................ 6-3
IGNITION SYSTEM ............................................................................................................................... 6-4
FUEL INJECTION SUPPLY WIRING DIAGRAM ................................................................................... 6-4
CHECKING THE STAND SWITCH ........................................................................................................ 6-5
IGNITION/FUEL INJECTION SYSTEM ................................................................................................. 6-7
CONNECTIONS TO THE ELECTRONIC CONTROL UNIT................................................................... 6-7
CONNECTIONS TO THE E.C.U. CONTROL UNIT ............................................................................... 6-9
CHECKING THE HT COIL ................................................................................................................... 6-10
CHECKING THE DROP SENSOR....................................................................................................... 6-11
CHECKING THE RPM SENSOR ......................................................................................................... 6-12
CHECKING THE THROTTLE POTENTIOMETER (ACCELERATOR SENSOR) ................................ 6-13
CHECKING THE FUEL INJECTOR ..................................................................................................... 6-14
CHECKING THE CONDITION OF THE COOLANT THERMISTOR .................................................... 6-14
CHECKING THE FUEL PUMP ............................................................................................................. 6-15
CHECKING THE CONDITION OF THE AIR THERMISTOR ............................................................... 6-15
STARTER AND STOP LIGHT SYSTEM .............................................................................................. 6-16
CHECKING THE STARTER RELAY .................................................................................................... 6-17
CHECKING THE STOP LIGHTS RELAY ............................................................................................. 6-17
ELECTRIC FAN ................................................................................................................................... 6-19
ELECTRIC COOLING FAN .................................................................................................................. 6-19
CHECKING THE WATER THERMISTOR ............................................................................................ 6-20
CHECKING THE FANS RELAY ........................................................................................................... 6-20
COOLANT TEMPERATURE AND FUEL LEVEL GAUGE ................................................................... 6-21
WIRING DIAGRAM .............................................................................................................................. 6-21
WATER TEMPERATURE ..................................................................................................................... 6-22
CHECKING THE DASHBOARD .......................................................................................................... 6-22
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Release 00 2002-09