Honda Civic Service Manual page 271

!
Fuel and Emrsslons
S o e c i a l T o o f s
. . . . . , . . . . " . . , . 1 1 - 2
Component Locations
l n d e x . . . . . . . . . . . . . . . . . . . . . ,
. . . . . . . . . 1 1 - 3
Svstem Description
Vacuum Connections ................,,..,..
......... 11-12
Electrical Connections ...............,.,.,... ....... 11-29
S y s t e m C o n n e c t o r s . . . . . . . . , . , . , . . . . . . . . . . . . . . . . . . . . . . . . . .
1 1 - 5 1
Troubleshooting
T r o u b l e s h o o t i n g
P r o c e d u r e s . . . . . . . . . . . . . . . . .
. . 1 1 - 8 1
Engine Control Module/Powertrain
Control Module Terminal
Afiangement
....,.,..... 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/Powertrain
Contlol 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
( S e n s o r 2 1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1 1 - 1 5 3
Heated Oxygen Sensor Heater ...................,.
11-157
Fuel Supply System
...... 11-164
R a n d o m M i s l i r e . . . . . . . , . . 1 1 - 1 6 6
Misfire Detected in One Cylindsr ................. 11-167
K n o c k S e n s o r
. , . , . . . . . . . . . . . .
1 1 - 1 7 0
CKP/TDC/CYP Sensor ...................................
11'172
Vehicle Speed Sensor ...........,......,...,.,........... 1t-176
Barometric Pressure Sensor ...............,.........
I 1-178
E l e c t r i c a l L o a d D e t e c t o r , . , , . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 1 - 1 7 9
C K F S e n s o r
. . . . . . . . . . . . . . . . . . . . 1 1 - 1 8 3
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
B r a k e S w i t c h S i g n a l . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
f 1 " 2 1 0
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
F u e l P u m p
. . . . . . . . . . . . . ' . . . . . . . ' . . . .
1 1 - 2 3 6
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