Service manual

Table Of Contents
3-2 FUEL SYSTEM (DFI)
Fuel Pump Relay Removal ............................................................................................... 3-63
Fuel Pump Relay Inspection............................................................................................. 3-63
Ignition Coils (#1, #2: Service Code 51, 52)........................................................................... 3-65
Ignition Coil Removal/Installation...................................................................................... 3-65
Input Voltage Inspection.................................................................................................... 3-65
Fuel Injectors ......................................................................................................................... 3-66
Fuel Injector Removal ....................................................................................................... 3-66
Fuel Injector Installation .................................................................................................... 3-66
Audible Inspection............................................................................................................. 3-67
Fuel Injector Power Source Voltage Inspection ................................................................ 3-67
Fuel Injector Output Voltage Inspection ............................................................................ 3-68
Injector Signal Test............................................................................................................ 3-69
Injector Resistance Inspection .......................................................................................... 3-69
Injector Unit Test ............................................................................................................... 3-70
Injector Fuel Line Inspection ............................................................................................. 3-70
FI Indicator Light (LCD) .......................................................................................................... 3-72
Light Inspection.................................................................................................................3-73
ECU........................................................................................................................................ 3-74
ECU Removal ................................................................................................................... 3-74
ECU Installation ................................................................................................................ 3-74
ECU Power Supply Inspection.......................................................................................... 3-74
Fuel Line................................................................................................................................. 3-76
Fuel Pressure Inspection .................................................................................................. 3-76
Fuel Flow Rate Inspection ................................................................................................ 3-77
Fuel Pump .............................................................................................................................. 3-79
Fuel Pump Removal ......................................................................................................... 3-79
Fuel Pump Installation ...................................................................................................... 3-80
Fuel Pump Operation Inspection ...................................................................................... 3-81
Fuel Pump Operating Voltage Inspection ......................................................................... 3-81
Pressure Regulator Removal............................................................................................ 3-82
Pump Screen, Fuel Filter Cleaning ................................................................................... 3-82
Throttle Lever and Cable........................................................................................................ 3-84
Throttle Lever Free Play Inspection .................................................................................. 3-84
Throttle Lever Free Play Adjustment ................................................................................ 3-84
Throttle Case Removal/Disassembly................................................................................ 3-84
Throttle Case Assembly/Installation.................................................................................. 3-84
Throttle Cable Installation ................................................................................................. 3-85
Throttle Case Inspection................................................................................................... 3-85
Throttle Cable Lubrication and Inspection ........................................................................ 3-85
Throttle Body Assy ................................................................................................................. 3-86
Idle Speed Inspection ....................................................................................................... 3-86
Throttle Body Assy Removal............................................................................................. 3-86
Throttle Body Assy Installation.......................................................................................... 3-87
Throttle Body Assy Disassembly ...................................................................................... 3-88
Throttle Body Assy Assembly ........................................................................................... 3-89
Engine Vacuum Synchronization Inspection..................................................................... 3-89
Engine Vacuum Synchronization Adjustment ................................................................... 3-89
ISC Valve................................................................................................................................ 3-91
ISC Valve Removal ........................................................................................................... 3-91
ISC Valve Installation ........................................................................................................ 3-91
ISC Valve Inspection......................................................................................................... 3-91
Air Cleaner.............................................................................................................................. 3-92
Air Cleaner Element Removal........................................................................................... 3-92
Air Cleaner Element Installation........................................................................................ 3-92
Air Cleaner Element Cleaning and Inspection .................................................................. 3-92
Air Cleaner Housing Removal........................................................................................... 3-92
Air Cleaner Housing Installation........................................................................................ 3-94