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FI
CHAPTER 7
FUEL INJECTION SYSTEM
FUEL INJECTION SYSTEM
............................................................................7-1
WIRING DIAGRAM ...................................................................................7-2
ECU SELF-DIAGNOSTIC FUNCTION......................................................7-3
ALTERNATE OPERATION CONTROL (FAIL-SAFE ACTION) ................7-4
FAIL-SAFE ACTION TABLE .....................................................................7-4
TROUBLESHOOTING CHART .................................................................7-6
DIAGNOSTIC MODE ................................................................................7-7
TROUBLESHOOTING DETAILS ............................................................7-12
THROTTLE BODY ASSEMBLY
....................................................................7-23
CHECKING THE FUEL INJECTOR ........................................................7-26
CHECKING THE THROTTLE BODY ......................................................7-26
INSTALLING THE THROTTLE BODY ASSEMBLY................................7-27
CHECKING THE FUEL PUMP................................................................7-28
CHECKING AND ADJUSTING THE THROTTLE POSITION
SENSOR ................................................................................................7-29
AIR INDUCTION SYSTEM
............................................................................7-32
AIR INJECTION.......................................................................................7-32
AIR CUT-OFF VALVE .............................................................................7-32
AIR INDUCTION SYSTEM DIAGRAMS.................................................. 7-33
AIR CUT-OFF VALVE ASSEMBLY.........................................................7-34
CHECKING THE AIR INDUCTION SYSTEM..........................................7-36