valve HONDA CIVIC 2003 7.G Workshop Manual

Under-dash Fuse/Relay Box
Fuse
Number
AmpsWire ColorComponent(s) or Circuit(s) Protected
115ABLKA/VHTlgnition coils
2204WHT/REDAirlfuel ratio sensor, ECM
310ARED/BLUDaytime running Iights control unit {Canada)10ABLI(ORNAir/fuel ratio sensor relay, Alternator, CMP sensor, Cruise control main
switch, Cruise control unit. ELD unit, Evaporative emission (EVAP) bypass
solenoid valve, Evaporative emission (EVAP)canister purge valve,
Evaporative emission (EVAP) canister vent shut valve, Secondary H02S,
Vehicle speed sensor
5Not used
67.5AYEUGRNMoonroof control unit, Moonroof open and close relay, Power window
relaV
7204GRNMoonroof motor
I7.5AYEUREDAudio unit
910AGRNOPDS unit, Rear window wiper motor, Rear window washer motor, Rear
window wiper intermittent control unit
107.54YELBack-up lights, Cruise indicator light, EPS control unit, Gauge assembly,
Keyless receiver unit, Multiplex control unit, Security control unit
connector (optional)
117.5ABLIVORNABS modulator-control unit
127.5AYEUREDDaytime runnino liohts control unit (Canada)
1310APNKSRS unit't410ABLK/YE LA,,/C compressor clutch relay, Blower motor relay, Condenser fan relay,
Heater control panel, Power mirror actuator, Power mirror defogger(Canada), Radiator fan relay, Rear window defogger relay, Recirculation
control motor1ENot used
loNot used
1715AYE L/B LKECM, Fuel pump
B LK/YE L>H> Unrr
1815AYEUGRNAccessory power socket
197.5AYEUBLKTurn siqnal/hazard relav, Turn siqnal liohts
2030AGRN/BLKMultiplex control unit, Windshield washer motor. Windshield wioer motor21Not used
22204GRN/BLKPassenqer's window motor
2320A.G R N,A/VHTDriver's window motor
24Not used
25Not used
__^:Hr tl_l
f at-t
at I
r^,rl fl
!!;r -
!339,i;s!!sf Fnf : |rnITf
22-47

Ground Distribution
Ground to Components Index
GroundComponent or circuit qrounded
Batterv, Transmission housinq
E ngine
G 101ECM (PG is BLK; LG is BRN/YEL)
BLK: IAC valve, lgnition coils, Vehicle speed sensor, VTEC solenoid valve
BRNA/EL: Camshaft oosition (CMP) sensor. CKP sensor, TDC sensor. VTEC oil pressure switch
G 15']EPS control unit
G201ELD unit. Multiplex control inspection connector, Multiplex control unit, Power window relay, Rear
window washer motor, Right front parking light, Right front side marker light, Right front turn signal
light, Turn signal/hazard relay, Washer fluid level sensor (Canada) , Windshield washer motor,
Windshield wiDer motor
G202ABS modulator-control unit
G301
G401
Blower motor relay, Brake fluid level switch, Condensor fan motor, Cruise control actuator, Left front
parking light, Left front side marker light, Left front turn signal light, Radiator fan motor, Radiator fan
swrtcn
Combination liqht switch, lqnitlon kev srvitch, Wiper/wasfrer sr,virch
G402Left and riqht airbaq sensors, SRS unit
G 451Data link connector (DLC)
G501Clutch interlock switchm Clutch pedal position switch (for cruise control), Cruise control main switch,
Cruise control unit, Daytime running lights control unit (Canada), Driver's door lock knob switch,
Driver's door lock switch, Driver's power window motor, Heater control panel, Left power mirror
defogger (Canada), left side turn signal light, Moonroof control unit, Monroof open and close relays,
Moonroof position sensor '1, Moonroof seitch, Power mirror switch, Power transistor, Power window
master switch. SDotliqhts
G502Accessory power socket, Gauge assembly, Keyless receiver unit, lvlultiplex control unit, Right power
mirror defogger {Canada)
G503Audio unit
G551Driver's seat belt switch, Fuel gauge sending unit, Fuel pump, Memory erase signal (IMES) connector,
OPDS unit. Rioht seat belt switch
G552High mount brake light, License plate lights, Rear window defogger, Rear window defogger noise
condenser. Rear window wioer motor, Hatch latch switch
Back-up lights, Brake lights, Rear side marker lights, Rear turn signal lights, Rear window wiper noise
condenser, Rear window wiper intermittent control unit, Taillights
22-48

)
Orive BehInspecaron................ 4-26
Door PanelsRemoval/lnstallation -............................. 20-4
Door Sash TrimRep1acement......................................... 20 10
Door StrikersAdiustment ........................................... 20-13
Door Weatherst psBeplacement...........-............................. 20 1 1
EPS Conirol UnitRemoval/1nsta11ation ..................-......... 17-67
EPS Indicator CircuitTroubleshooting ................................... 17 -47
EPS MotorRemoval/lnstallation .-.......................... 17-49
EVAP CanisterRep1acement......................... ......... 11,189
EVAP Control Syst€mComponentLocation Index ..............'11-170
EVAP Two-Wey ValveTest ..........-.............-............................ 11 186
Evaporetor CoreRep1acement........................ . ... 21-42
Evaporator Tomperature SensorReplacement......................................... 21 -37Test..................................... ..........2137
EvaporrtoFHeater UnitReplacement........................................ 21 43
Exhaust ManifoldRemoval/1nsta11ation ................................ I 7
Exhaust Pipe8ep|acement............................................. 9-8
Front SpeakersRep|acement....................................... 22-102
Front SuspensionComponentLocation Index................... 18-3
Fueland EmissionsDescription ........................................... 11-12
Fuel Fill DoorAdjustment ..........-................................ 20 93
Fuel Fill Door OpenetBeplacement........................ . ............ 20.109
Fuel Fill Door Opener CableReplacement....................................... 20- lO7
Fuel FilterReplacement....................................... 1 1-152
Fuel Gauge Sending UnitTest ......................-.-..........-.................. 11'156
Fuel Injection Syslem (PGM"FIlComponent Location 1ndex................. 11-49
Fuel IniectorsRep1acemen1....................................... 1 1 1 1 l
Fuel Lines and HosesInspection .......................................... 1 1'146Removal ....................... . .. . .... 11-149Insta|1ation .......................................... 1 1 150
FuelPipe ProtectolReplacement....................................... 20-104
Fuel Pressure RegulatotReplacement....................................... 1 1-152
Fuel Pulsation DamperReplacemenl................................... 11 154
Fuel PumpReplacement,,,,,.,.,.,,,.,,,,,,,,,,,,.,.,.,,,..,.. 11-153
Fuel Pump CircuitTroubleshooting -.......-....................... 1 1-141
FuelSupply SystemComponent Location lndex .............. 11 140Adjustment................................... 11-144Test........-...-................. ... ............- 11-145
FuelTankBeplacemenl.............. . ..... .. 11 155
Fuel Tank Vapor ControlValveTest ......................-....... ... . . 11-187Replacement,,.,,...,.,,,.,.,,,,... .. .. 11 189
Fuses{See first page ofthis Index)
)
Rep|acement................. ..................... 4 26
Drive Belt Auto-tensionellnspection ............................................... 4 21Rep1acement.................................... ..4-28
Driver's PocketRemoval/lnstallation -........................... 20-60
Driver's TrayRemoval/lnstallation .........................-.- 20-65
DRL {Daytime Running LightslControl Unitlnput Test .................... ........ . . . ......22-16
DTCs(See first page olthis Index)
Dust and Pollen FillerReplacement......................................... 21-39
Dynamic Damper, DriveshaftsReplacement........................................... 16-8
ECT SensorReplacement.,.,,,.,.,,,,,,,,,,,,,,................ 1 1-1 14
El€ctrical Power Steering IEPS)Signal CircuitTroubleshooting ........ ... .. 11-135
EmblemsReplacement......................-................ 20-100
Engine AssemblyRemova1 .................................................... 5 2Installation ............._.................................. 5-9
Engine Block AssemblyComponent Location Inder ..................... 7.3
Engine Block, BareInspect|onRepair
Fan ControlsComponent Location Index................. 10'l 1Circuit Diagram .. ..... . .. . .................. 10 13
Fender Fairing, FrontReplacement...-................................... 20-103
Final Driven Gear. M/TReplacement.... . . ................................ 13-53
FrameRepair Chan............ ... ....................... 20 11 4
Frame StiffenelReplacement......-................................ 20- J'13
Front ConsoleRemoval/lnstallation ............................ 20 5lDisassembJy/Reassemb|y ................... 20 58
Front DoorsComponent Location Index................... 20-2Adiustment ........................................... 20.12
Front Driveshaft AssemblyInspeclion .................... ... ....16 3Remova1...................-...... ... .....16-3Disassembly ............................... .....165Resassemb|y ................................-......... 16-9Insta11arion ........................ ...... ............ l6 17
Front lmpact SensorsRep1acement............................ ...23 125
................7-15................1 11
)
Entry Light Control SystemComponent Location Index ...............-. 22-89Circuit Dia9ram .................................... 22 90
EPS ComponentsComponent Location 1ndex..........-...... 17-!7Description ........................ ...... ..17-24Circuit Diagram11 26(cont'd)

Service Manual Index
(cont'dl
Gauge A3semblyReplacement......................................... 22 64
Gaug€sComponent Location Index ..........-...... 22 54How-to lnformation ........................22-56Circuit Diagram22-54
Heater Valve CableAdjustment ...................... .................... ?1-46
High Mount Brake Light8ep|acement......................................... 22 82
Hood
lmmobilizer SystemComponent Location In dex .............. 22-162
\
G
Description
Genoral Information(See seclion 1)
Glove BoxRemoval/1nsta11ation .......................-.... 20-63
GrilleReplacement...........-............................. 20-94
Hood lnsulatorReplacement......................................... 20-89
Hood LatchRep1acement................... ..........20 108
Hood Opener CableComponentLocation Index ..............20 105Replacement ................ . . ........... .....20 106
Hood SealBeplacement.-...........................-........... 20-88
HornTesVReplacement . . ................ ...... 22-122
CircuitDiagram ...........................22-164Troubleshooting ............................ 22,165
Inner Fender, FronlRepf acemenl....................................... 20-102
Inside Rearview MirrorReplacement..........-.............................. 20 16
Instrument PanelRemoval/1nsta11ation................. ....... 20-59
Intake Air Bypass ControlThermal ValveTesr................................ ..... ..11-161
Intake Air SystemComponent Location Index ...-.-........ 11-159
Intake ManitoldRemoval/1nsta11ation ................................ I 2
lntermediate Shaft AssemblyRemova1 ................-.-...-......................... 16-19Disassemb|y................... ... ......-.... 16,20Resassemb|y ........................................ 16 22Installation .........-...-.............................. 16-24
Keyless Entry Transmitter
Adjuslment
H
Adiustment .......
Hatch Handle
Horn SwitchTest ............-........
HornsComponent Location IndexCirc!it Diagram
H02S. SecondaryReplacement
..............22-120Replacement
22-122
22 12120-110
20-'110Hatch LatchReplacement$
K
Hatch Latch Switch
.... 11 113
HubsReplacement. ... .................................. 1A 26Test
Test
Replacement
Hatch Support StrutsBeplacement.....
Hatch WeatherstrioReplacement....
Hazard Warning Switchtest
ldle ControlSystemComponentLocation Index .............. 11-129Inspection,.,.........-.......,.,.,,,,,,.,,,.,.,..... 1'l 138
lgnition CoillslBemoval/lnstallation ...............-.............. 4 18
22-161Test ...................................................... 22 161
Keyless Entry/Security Alarm SystemComponenl Location Index .............. 22 150Circuil Diagram ................. . .............. 22 151
Keyless Receiver Unitlnput Test ............................................ 22-153
Knock SensorReplacement......-................................ 1 1 115
KnucklesReplacementFront Suspensron ............................. 18-1 1Rear Suspension ........ .................-... 18-28
Repair ...............
H.tch Lock Actuator22-159
Hatch Lock CylinderRep|acement....................................... 20,111
Hatch SpoilerIAT {lntake Air Temperature} SensorReplacement.,.........-...'11 115
20-91
20-92
.................... 22_88lgnition Key LightTest,,.,,,,.,...,......-.
H6adlightAdjustmentlgnition Key Switch
....................... 22-91
....................... 22-91..22-78TestReQ\ace$entlgnition SwitchTest .,,,.,.,.,,,,.,.,.......22-53License Plate LightReplacement...........-... - ... .....22-83
License TrimReplacement..................-...-..........-....... 20-98
Lights, ExteriorComponent Localion Index.................22 68
Lights,InteriorComponent Location Index................. 22-94CircuitDiagram .. .. ...... .... 22-95
HcadlightsCircuit Diagram .............................. 22-71, 72
HeadlinerRemoval/lnstallalion ............................ 20-54
Heater ControlPanelRemoval/1nsta11ation ............................ 21-38
Heater Control Power and Ground CircuitsTroubfeshooting......... .......................21-27
lgnition SystemComponent Location Index ................... 4-15CircuitDia9ram .................................... 4'161nspection ............................................... 4-17
lmmobilizer Control Unit-Receiver
J
22-161

)
Low Fuel lndicatorTest.....................11-158Moonroof Drain Channel SliderReplacement......................................... 20'44
Moonroof FrameRep1acement,,,,,,,,,,.,.,.,.,.,.,.,,,,,,............ 20 42
MoonroolGlassAdiustment ........................................... 20-37Rep1acement......................................... 20 37
Moonroot Limit SwitchAdjustment ........................................-.- 20 46Test ...................................................... 22 113
Moonrool MotorReplacement....-.................................... 2D-41
Oil Pressure SwitchTest ................-.-........-................................ 8-4Replacement.........-................................. 8-16
Oil Pump, EngineOverhau1 ................................................... 8-8
Oil, EngineReplacement...-................-.-...................... 8-5
OPDS UnitReplacement....................................... 23- 124
Outside Mirror HoldersBeplacement......................................... 20-15
Outside Power Mirror ActuatorsTest ...................................................... 22-117Bepf acement..-.................................... 22-1 14
Outside Power Mirror SwitchTest ..-................................................... 22-111
Outsid€ Power MirrorsReplacement............................ ... .. . . . 20-15Component Location lndex .............. 22- 114Circuit Diagram .................................. 22-115Test -..................................................... 22-116
Lower ArmsRemoval/1nsta11ation............................ 18 19
Lubrication SystemComponent Location Index..................... 8-3Test............................................................ 8 4
M
M/TAssemblyRemoval.......... 13-4 Test...................... 22-1 12lnstallation............. 13-8
.........21,35
Disassembly ......................................... 13-14Resassembly .. ... ................. 13-46
M/TChange Leverlnspection ............................................. 13-19Disassembly 8eassemb1y ................... 13-20
M/T Countershaft AssemblyInspection ....................................... 13 31, 33Disassemb1y ......................................... 13-32Resassemb|y ........................................ 13-34
M/T DifferentialComponentLocation Index................. 13-52Adiuslment ........................................... 13-56
M/T Maifthaft Assembly1nspection ... ................................... 13-23, 26Disassembly ......................................... 13 25Resassembly ........................................ 13 28Adjustment ........................................... 13-43
M/T Reverse Shift ForkInspection .................... ........................ l3 19
M/T Shift LevelReplacement......................................... 13-51
Mainshaft BearingsReplacement....,.................................... 13 41
MairtenancelSee section 3)
MILHow to Informatron ............................. 1 1.46
MIL CircuitTroubleshooting .......... .- . . . . ......... 11 97
MirrorsComponentLocation Index................. 20'14
Mode Control MotorReplacement
Moonrool SunshadeRep1acement....................... . . ............. 20 40
Moonroof SwitchTesVRep1acement .............................. 22- l 12
Mooniool Wind Def lectorReplacement.......................-................. 20-38
Moonroof/SunroofComponent Location Index ... 20-35, 22-108Test ........................................................ 20-48Cf rcuit Diagram .................................. 22- 109
MTFInspection/Rep1acement. .......... ........... 13-3
Muhiplex Control SystemComponentLocation lndex ..............22 168Circuit Diagram .................................. 22-1690escription ......................................... 22-17 1Troubleshooting ................................ 22-17 2
Muliiplex Control Unit, Under-dashInput TestEntry Light Control Sysiem ............. 22-92Keyless Entry/Security AlarmSystern .-....................................... 22-155MultiplexControl System .............22 115Wiper/Washer................................. 22'1 41
NoiseTest,,Reduction Condenser
Parking ErakeInspection Adjustment ........... .............. 19-7
Parking Brake CableRep1acement......................................... 19-26
Parking Erake Switch
P
l
Test ...................... 19-10
Test............................... . ...........2135
Moonroof Auto Stop SwitchosTest ...................................................... 22'113
Moon.oot Control Unillnput Test ............................................ 22-110
Moonroof Drein ChannelBeplacement ... . ....... ......................... 20 39
Oil Filte]Replacement............................................. 8-6
Oil Filter Feed PipeReplacement............... . ..-,...,.,,,,,,,,8-7
Oil PanRemoval .............,.,,,,,,,,,,,,.,.,,,.........-....... 7 1 1lnstallation .............................................. 7 -27
Passenger's TraVRemoval/lnstallation ............................ 20-65
PCV ValveBeplacement....................................... 1 1'169Test........................................... l1 169
Piston Rings8ep1acement................................-.-...-.- 7-21
PistonsReplacement...................-....................... 7-181nsta|1ation ...................................... ...1-23
Power R€layTest ...............-.-...................................... 22-51
Power Window Motor, Driver'stesl.....,,,, .,.,,,............
Power Window Motors, Passenger's
Power Window Switch, Masterlnput Test ..........-.........-....................... 22-126Tesr ....... . ............................................ 22 124Replacement....................................... 22-133
N
..............22 101
o
l' ,e
(cont'd)

SuspensionAdjustment................-............................184 VComponent Location Index................. 20-17
Windshield GlessReplacement............-..............-............. 20 19
Synchro Ring, Triple-coneInspection...............-..........................1339 ValveGuides
Synchro SleeveInspectaon/Reassemb1y ....................... 13 39
Inspection ............-.-................................ 6 32Beplacement ..........-................................ 6 33 Wiper Intermittent Control Unit,Rear WindowInput Test
T
Valve SeatsRepair ...................................................... 6 35.....22-134
WiDer Motor, Rear WindowRep1acement....................................... 22-1 46Adjustment .-.-.......Removal ...-...-......................................-... 6-31 WiDer Motor, windshield6-9
.....6-32 Test.......-..........-.....-.............................22-143Taillight
ThermostaiTest ........................
Inspec!on
Vehicle Speed Signal Circuit
VTC System
Wiper/WasheI
Wi.ing System
10 4 Troubleshooting .....-... ..........................22-65 Component Location In dex ..............22-134Replacement.....-...-....... ...................... 10 IvssThrottle BodyTest ..................Removal/lnstallation .. . . . . . .. ... 11-'165 VTC ActuatorDisassembly/Feassemb|y................-11-166 Inspection
Circuit Diagram .......................... 22-136, 131
Replacement -.............. ............ .............22 61 Wiper/Washor SwitchTesVReplacement .............................. 22-1 40
.................68 WireHarnesses
11-160
Replacement ........................................... 6 24 (Seefirstpageofthislndex)Throttle CableAdjustment ...... ...-.................... 11163 VTC Oil ConlrolSolenoid ValveRemoval/1nsta11ation..........................11164 Removal....-...-... |1-127 HowtoIn{ormation ...............................223Belay and Control UnitLocations .-....-.............. -.-.-....- 22-7, 4, 1 1, 12Beplacement.........-............................... 1767 ComponentLocationlndex.............. 11-117Tie-rod Ball Joint Boots
lnstallation
Replacement
Turn Signal/Hazard Relay
tsTiming/Cam ChainVTEC Solenoid Valve...612 Femoval/lnspection....-......................11-128................ 6 15
Timing/Cam Chain Auto-tensionelRemoval/1nsta11ation..............................6-19 W
Troubleshooting{See first page ot this Index)
Turn Signal Light
Timing/Cam Chain CaseOil SealInstallation......................-......................6,21 Washer Fluid Level SwitchTesVReplacement .............................. 22 1 44Trailing ArmsRemoval/lnstallation .............. . . . . ..... 18 33 Washer Fluid ReservoirReplacement ....................................... 22-1 46tnmComponent Location lndex ................- 20 49 Washer Motor, WindshieldRemoval/lnstallation ..-.......20 50,51,52,53 Test -..............-.............. ........................22 144
Washer Tube, WindshieldReplacement......-...-............................ 22 1 47
W.ter Outlet.........22 A4 Installation ..................-........................... '10-9
InputTest........22-87 lnstallation................ 10IWeter Passage
Wheels andTires
Turn Signal/Hazard Warning Lights Water PumpComponent Location In dex .................22 85 Inspection ........................... .. . . . ....... 10 5Circu it Diagram ................-................... 22-86 Replacement .-......................................... 10 5
U
WheelBearingsInspec|ion ....................................... ....... 18 8
Wheel Speed SensorsInspection ..-..,.,.,,.,,,,,.,.,,,...................... 19-59Replac€ment ........-....... . . . . . . .. -.... 19-59UndeFdash Fuse/R€lay BoxRemoval/lnstaf lation ............................ 22-49
Upper ArmsRemoval/|nsta11ation................. ... 18-32
],sInspect|on