4. FUEL INJECTION SYSTEM
4-1
Mechanism Illustration ...............4-1
EFI System Components............4-2
System .........................................4-3
Components & Operation Principle
Introduction .................................4-3
Precautions In Operation ...........4-4
Trouble Diagnosis .......................4-5
Components Description Of Efi.4-9
Fuel Lines ..................................4-11
Ignition System .........................4-12
Crank Position Sensor..............4-13
Temperature Sensor .................4-14
Air By-pass Valve......................4-15
Fuel Injector...............................4-15
Fuel Pump..................................4-15
Fuel Tank ...................................4-16
Air Cleaner .................................4-19
Trouble Diagnosis & Solutions Of
EFi...............................................4-20
Error Code Message and Solution
Operation ...................................4-21
EFi Data scan Operation Manual
....................................................4-23
Procedure (PI Engine)............4-36
Mechanism Illustration
Data Scan
(Diagnosisor)
Hazardous lamp
Battery
Fuel
tank
Fuel pump & pressure regulator
Vacuum hose
Ignition coil
Fuel
injector
Air by-pass valve
Crankshaft position sensor
Engine temperature sensor
Intake temperature &
MAP sensor
(T-MAP)
Throttle position
sensor (TPS)
ECU
4