Mazda 121 - Fuel and Emission Control Systems (Egi-S)

F
tNDEX....,....,,...,...,,.......,..-...,......"....-..
F-
ouTLtNE.....,...,,....,...,...,......,.......,..,...
F-
SYSTEM D|ACR4M..,...............,......... F-
VACUUI\I HOSE BOUTING
DIAGRAI\,1........,,......................,,...,. F-
wtRtNG D|AGBAM...,...-..........,.....,..,. F-
spEctFtcATtoNs.........................,..... F-
coMPoNENT
DESCRIPT|ONS............. F-
TROUBLESHOOTTNG GU|DE...........,..,..
F-
FELATTONSHTP CHART......................
F-
ustNG THls sEcTtoN.....,....,.,...,,,..,,. F-
DIAGNOSTIC TNDEX .....,.,.........,.,...,.. F-
PRECAUTTON .,....,,.......,,...,,.....,.......
F-
SYMPTOM TROUBLESHOOTING..........
F-
ENGTNE TUNE-UP...,..,,...,.,,.......,,..,..,., F-
PREP4RAT|ON.....,..................,,....,... F-
BASTC
tNSPECT|ON.......-...............,... F-
ADJUSTi\4ENT,..,,,..,...,,....,,.,...,........, F-
SELF-D|AGNOS|S FUNCT|ON,..,...........,
F-
DESCRtPTION....,...,.........,...,.,........,. F-
PREPABATtON....,,.,,...............,......... F-
MALFUNCTION CODE NUMBEF ......... F-
swtTcH MoNtToR FUNCT|ON.......,.... F-
TNTAKE AtR SYSTEM.,....................,.... F-
coMPoNENT
PABTS.........,..........,.... F-
tNJECTtON BODY,.....,....,,............,....
F-
BAFFLE/INTAKE
I\4ANIFOLD..........,..... F-
ACCELERATOR PEDAL.,,,,,..,........-.,.. F-
ACCELEFATOR CABLE.,,.......,....-......
F-
FUEL SYSTEM,...,,..,..,.,.,,,.,..........-......
F-
PRECAUTION .,,....,.......,......,,.,,,......, F-
SYSTET\4 OPERATION...,.....,.-.............
F-
FUEL TANK,...,,...,,..,..,,,....,..,.,.,......, F-
FUEL PUMP...,,...........-................,... F-
FUEL FtLTER.,,................................. F-
crRcutT
OPENING RE 1AY..........,...,.., F-
PRESSURE BEGULATOR..........-......... F-
iNJECTOR...............................-........
F-
EXHAUST SYSTEM.......,......................
F-
coMPONENT PARTS............,..,...,,,.,. F-
OUTLINE OF
EMISSION
CoNTROL
SYSTEi,............................ F-
STRUCTUEAL
V|EW....,.....,................ F-
2
9a
FUEL AND
EMISSION
CONTROL SYSTEMS
(EGr-S)
a
9
11
11
't4
16
17
61
61
61
62
66
66
67
67
80
83
83
84
86
86
86
87
88
88
90
9l
93
94
94
s7
97
POSITIVE CRANKCASE
VENTTLATTON
(PCV)
SYSTEM..,..........
F-
99
DESCBtPTtON................-...,..............
F-
99
PCV
VALVE..........,....................,.,....
F-
99
EVAPORATIVE
EMISSION
CONTROL
sYsTEM....-........,.,.......................,....
F-l00
DESCRtPTION,...,....,....................,...-
F-r00
SYSTEN,i OPERAT|ON.,..,.......,,.....,..,,.
F-l01
SOLENOID VALVE
(PURGE
CONTHOL)..,,................,..--.
F-101
FUEL VAPOR
VALVE .,.....,,..,..,....,.,,,. F-l01
cHECK VALVE ai'WO-WAn..............,..
F-102
cHAFCOAL CANrSTER.......................
F-102
CATALYTIC CONVERTER
SYSTEM ....... F-'IO3
DESCRtPTtON.,,..............................-.
F-103
oATALyTtC CONVERTER................-...
F-l03
DECELERATION CONTROL SYSTEM.....
F-104
DESCRtPT1ON.......,.,.,...,.......,......,..,,
F-l04
DASHPOT.,................,..,..,,,..,..,...,...,
F-ltX
A/C CUT-OFF SYSTEM.........,.............,,
F-l05
DESCR1PTrON...................................
F-105
SYSTEM OPERAT|ON............,..,.,.......
F-l0s
DECHOKE CONTROL SYSTEM.............-
F-l06
DESCFtPTtON....,,,,.......,.......-...........
F-106
SYSTE|\4 oPERAT|ON............,.........,..
F-106
AtR
BYPASS
CONTROL
SYSTET ,.,.,..,., F-107
DESCRrpION..,,-............,.................
F-107
sYsTEt\4 oPEFAT|ON............-............
F-108
AIR BYPASS SOLENOID
VALVE
@, @, @.............................
F-10e
CONTROL SYSTEI,|..........................,...
F-110
PREPARA'IrON...................,.....,.......,
F-110
STRUCTURAL
VtEW,...,..,...,...,..,...,..,, F-l1 1
ENGTNE CONTFOL
UNtr
{ECU..,........
F-112
CBANK ANGLE SENSOR
itN D|STRtBUTOR),...........................
F-r20
AIRFLOW SENSOR
(BYPASS
HOT-W|RE
ryPq..........,.,,,. F-l21
wATER THEB[,4OSENSOR...,..,,.,.,.,..,.. F-121
TfIBoTTLE SENSOR,....,..,,,.,,.,....,..,..
F-l22
oxyGEN SENSOR............,........,.,..,..
F-123
t\4AtN RELAY ...,,....,.......................-..
F-124
cLUTCH SWTTCH fi,,4Tn,..,...,.........,-..
F-l24
NEUTRAL SWTTCH
(L4TX).,....,.,,.....,.... F-l25
POWER STEEFING
PFESSUFE SWITCH F-125
o1a0Fx.001