1998 HONDA CIVIC Workshop Manual

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Page 265 of 2189

HONDA CIVIC 1998 6.G Workshop Manual Thermostat
Replacement
THERMOSTATHOUSING
NOTE: Use a new O-ring when reassemblinq.
THERMOSTATInstall with pin up.
ENGINE COOLANTTEMPERATURE {ECT)swtTcH24 N.m {2.4 kgf.m, t7 tbf.ft)
THERMOSTAT
6x1.0mm1

Page 266 of 2189

HONDA CIVIC 1998 6.G Workshop Manual EGT Switch
-f
Testing
Replace the thermostat if it is open at room temperature
To test a closed thermostat:
1, Suspend the thermostat in a container of water as
shown.
THEBMOMETER
THERMOSTAT
Heat the

Page 267 of 2189

$HONDA CIVIC 1998 6.G Workshop Manual Water Pump lllustrated Index NOTE: . Use new O-rings when reassembrrng.. Use liquid gasket, Part No. 08718 - 0OOl or 087 t8 _ 0003. O16Y5, D16Y7, D16Y8 engines: ECT GAUGESENDING UNIT9 N.m {0.9 kgI.m,7$

Page 268 of 2189

HONDA CIVIC 1998 6.G Workshop Manual 815A2 engine:
WATER OUTLETCOVERApply liquid gasket
to mating surface.
6x1.0mm9.8 N.m {1.0 kglm,7,2 tbl.ftt
ECT GAUGESENDING UNIT9 N.m (0,9 kgf.m,7 rbf.ft)Apply liquid gasket
to the threads.
rENGINE C

Page 269 of 2189

HONDA CIVIC 1998 6.G Workshop Manual Water Pump
Inspection
t.
2.
Remove the timing belt (see section 6).
Turn the water pump pulley counterclockwise.Check that it tarns freely.
Check for signs of seal leakage.
NOTE: A small amount of "w

Page 270 of 2189

HONDA CIVIC 1998 6.G Workshop Manual !
Fuel and Emrsslons
SoecialToofs .....,...."..,. 11-2
Component Locations
lndex ....................., ......... 11-3
Svstem Description
Vacuum Connections ................,,..,.. ......... 11-12
Ele

!
Fuel and Emrsslons
SoecialToofs .....,...."..,. 11-2
Component Locations
lndex ....................., ......... 11-3
Svstem Description
Vacuum Connections ................,,..,.. ......... 11-12
Electrical Connections ...............,.,.,... ....... 11-29
System Connectors ........,.,.,.......................... 1 1-51
Troubleshooting
Troubleshooting Procedures ................. .. 11-81
Engine Control Module/PowertrainControl Module TerminalAfiangement ....,.,..... 11-88
Diagnostic Trouble Code Chart .................,., 11.97
How to Read Flowcharts .,.......................... . 11-103
PGM-Fl System
System Description ...... 11-10,1
Troubleshooting Flowcharts
Engine Control Module/PowertrainContlol Module ........ 11-107
Manitold Absolute Pressure Sensor .....'. . ... 11-115
fntake Air Temperatuie Sensor ..... . . ., . 11'121
Engine Coolant Temperatuae Sensol ........., 11-128
Throttle Position Sensor ...................,........... 11-132
Primary Heated Orygen Sensor (Sensor 1l ... 11-139
Secondary Heated Oxygen Sensor(Sensor 21.................................................... 1 1-153
Heated Oxygen Sensor Heater ...................,. 11-157
Fuel Supply System ...... 11-164
Random Mislire ......., ..11-166
Misfire Detected in One Cylindsr ................. 11-167
Knock Sensor .,.,............ 11-170
CKP/TDC/CYP Sensor ................................... 11'172
Vehicle Speed Sensor ...........,......,...,.,........... 1t-176
Barometric Pressure Sensor ...............,......... I 1-178
Electrical Load Detector,.,,............................ 1 1-179
CKF Sensor .................... 11-183
ECM/PCM Internal Circuit ............................. I 1-188
A/T Signal {TMA/TMBI .................................. I 1-189
ldle Control System
System Doscriplion ............ 11-190
Troubleshooting Flowcharts
ldle Control System ...... 11-192
ldle Air Control Va1ve .................................... I 1-19i1
Starter Switch Signal .................................... 1 1'202
Air Conditioning Signal ................................. 11'201
Ahernator FR Signal .................................... . 1 1-208
BrakeSwitch Signal ..................................... f 1"210
Power Sleering Prossure Switch Signal ......11-212
A/T Gear Position Signal ............................... 11-216
Clutch Swiich Signal ................................-.... 11-214
ldte Speed Setting . .............11-220
Fuel Supply System
Fuel Lines .,...................,.,.,.,11-221
Fuef Tube/Ouick-Connect Fittings ..........,.,........ 11 -227
System Description ....'.... 11-230
Fuel Pressure .......,.,,........... 11-230
Fuef fniectors ......................11-232
Fu€f Pressure Regulator .....,.......................'...,. 11-231
Fuef Fifter ............................11-235
Fuel Pump .............'.......'.... 11-236
PGM-FI Main Relay .............11'237
Fuel Tank ................ ....,...'.'.' 11'211
Intake Air System
System Description ....-.-.....11-243
Air Cfeaner ...........,......."". .11-211
Throttle Cable .....................11-211
Throttfe Body ........ ..'... . . .,.11-211
Fuel Iniestion Air Control System ,.,.,....-........... 11-250
Emission Control System
System Description .-..........11-252
Taifpip€ Emission ...............11-252
Three Way Catafytic Convert€r ............,.,,.,.,.,.... 11 -252
Exhaust Gas Racirculaiion System ...,.,,,,.,.,.,.,,. 11'254
Positive Crankcas€ Ventilation System .... . . .. 11-266
Evaoorative Emission Controls ..................,,..,.,. 11 -267

Page 271 of 2189

$HONDA CIVIC 1998 6.G Workshop Manual Special Tools a\-Special Tools R€f. No. I Tool NumberDsscriptionOty I Pagr Reference O @/n @ @ @ A973X_041 _ XXXXX 07JAZ - 0010008 07PAZ - 0010100 07sAz - 001000A 07406 - 0040001 07406 - 0040304 Vac$

Page 272 of 2189

HONDA CIVIC 1998 6.G Workshop Manual Gomponent Locations
L
lndex
D16Y5 engine:
{IATISENSORTroubleshooting,
ELECTRICAL LOADDETECTOR IELD) (USA mod6l)Troubleshooting, page 11 179
THROTTLE POSITION ITP)SENSORTroubleshooting, page 1 1-132
MA

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