FI
CHAPTER 7
FUEL INJECTION SYSTEM
............................................................................ 7-1
WIRING DIAGRAM ................................................................................... 7-2
ECU
’
S SELF-DIAGNOSTIC FUNCTION................................................... 7-3
ALTERNATE INSTRUCTIONS OPERATION CONTROL
(FAIL-SAFE ACTION) .............................................................................. 7-4
FAIL-SAFE ACTIONS TABLE ................................................................... 7-4
TROUBLESHOOTING CHART ................................................................. 7-6
DIAGNOSTIC MODE ................................................................................ 7-7
TROUBLESHOOTING DETAILS ............................................................ 7-12
THROTTLE BODY AND FUEL INJECTOR
.................................................. 7-25
THROTTLE BODY AND FUEL INJECTOR............................................. 7-25
FUEL HOSE ............................................................................................ 7-27
FUEL TANK............................................................................................. 7-28
REMOVING THE FUEL HOSE ............................................................... 7-30
REMOVING THE FUEL PUMP ............................................................... 7-30
CHECKING THE FUEL INJECTOR ........................................................ 7-31
CHECKING THE THROTTLE BODY ...................................................... 7-31
INSTALLING THE FUEL PUMP.............................................................. 7-32
INSTALLING THE SUB-FRAME ............................................................. 7-32
INSTALLING THE FUEL HOSE .............................................................. 7-33
CHECKING THE FUEL PUMP AND PRESSURE
REGULATOR OPERATION ................................................................... 7-34
CHECKING THE THROTTLE POSITION SENSOR ............................... 7-34
CHECKING THE ISC (IDLE SPEED CONTROL) VALVE....................... 7-36
............................................................................ 7-37
AIR INJECTION....................................................................................... 7-37
AIR CUT-OFF VALVE ............................................................................. 7-37
AIR INDUCTION SYSTEM DIAGRAMS.................................................. 7-38
AIR CUT-OFF VALVE AND AIR INDUCTION SYSTEM HOSES ........... 7-39
CHECKING THE AIR INDUCTION SYSTEM.......................................... 7-40
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