Page 1 of 79
ENGINE FUEL & 
- EMISSION - CONTROL SYSTEM 
SECTION EFaEC 
CONTENTS 
PRECAUTIONS .. 
COMPONENT PARTS LOCATION 
ECCS  DIAGRAM 
. . . 
ECCS CHART .. 
ECC.S WIRING  DIAGRAM .  . .. 
FUEL FLOW  SYSTEM  DESCRIPTION . 
AIR FLOW  SYSTEM  DESCRIPTION .... 
E C C S. DESCRIPTION . . . . ... 
DIAGNOSTIC  PROCEDURE . .. 
SE LF-D I AGNOSIS .. 
.. 
.. .. 
.. 
.. 
.. 
... 
ELECTRONfC  CONTROL  SYSTEM  INSPECTION 
MIXTURE  RATIO FEEDBACK  SYSTEM INSPECTION 
. , 
FUEL SYSTEM  INSPECTION 
TURBOCHARGER 
.  ... .. 
INJECTOR  COOLING  FAN (VG30ET) . 
PRESSURE  REGULATOR  CONTROL 
CRANKCASE  EMISSION CONTROL  SYSTEM 
. . . . 
EXHAUST EMISSION CONTROL  SYSTEM . . ... 
EVAPORATIVE  EMISSION CONTROL  SYSTEM . . . 
SERVICE DATA AND SPECIFICATIONS (S DS). . . .  . . . 
. . EF&EC- 2 
. EF&EC- 3 
EF & EC- 4 
EF&EC- 6 
EF&EC- 8 
.. EF & EC-10 
EF 
& EC-11 
, EF&EC-13 
EF 
& EC-28 
EF 
& EC-35 
EF 
& EC43 
EF & EC-60 
EF 
& EC-63 
EF 
& EC-66 
EF 
& EC-69 
EF 
& EC-72 
. . EF & EC-74 
EF 
& EC-75 
, EF&EC-76 
EF & EC-79  
         
        
        
     
        
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E. C.C. S. DIAGRAM 
VG30E Engine (Without  turbocharger) 
SEF602B 
EF & EC-4  
         
        
        
     
        
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E.C.C.S. DIAGRAM 
VG30ET Engine (With turbocharger) 
L 
SEF603B 
EF & EC-5  
         
        
        
     
        
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E.C.C.S. WIRING DIAGRAM 
i- 
1 
= e Y 2 
UI 
EF & EC-8  
         
        
        
     
        
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E.C.C.S. WIRING DIAGRAM 
I' 
. 
... 
. 
SEF747B 
EF & EC-9