2003 HONDA CIVIC CAmshaft

VTEC/VTC
Component Location Index
VTC OIL CONTROLSOLENOID VALVETroubleshooting, page 1 1-118Test,page 11-'l27
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CAMSHAFT POSITIONICMPI SENSOR ATroubleshooting, page 1 1-121Replacement, Page l'!-128
VTC SOLENOID VALVETroubleshooting, page 1 1-123Removal/lnspection, page 1 1-128
11-117

Connectors and Harnesses
Engine Wire Harness
Camshaft position (CMP) sensorLllr sensorEC[,4 connector AECI/l connector BEngine coolant temperature (ECT)
sensorEngine oil pressure switchEVAP canister purge valveldle air control (lAC)valve
lgnition coil No. llgnition coil No. 2lgnition coil No. 3lgnition coil No. 4Iniector No. 1Inlector No.2Iniector No.3Iniector No. 4Intake air temperature {lAT) sensor
TDC sensorThrottle position (TP) sensorVehicle speed sensor (VSSI
VTC oil control solenoid valveVTEC oil pressure switchVTEC solenoid valvec 101
c102
233
242
Transmission housingLeft side of engineRight side ofengineUnder glove boxUnder glove boxLeft side of engine
Bight side oI engineLeft side of intake manifoldLeft side of intake manifoldMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine compartmentMiddle of engine companment
28
1845672524201912
811102729303
22
12333332222233
322220
Left side of intake manifoldLeft side of engineLeft side of intake manifoldTransmission housingRight side o{ engineRight side of engineRight side of engineUnder right side of dash
Front of engine companment
Front of engine compartment
ECM wire harness {see page22-321Starter subharness (see page22-15)Starter subharness (see page22 151
Connector to Harness Index (cont'dl
22-16

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

Service Manual Index
(cont'dl
Brake System Indicator CircuitCircuit DiagramConventional Brake Components..... 19-9TroubleshootingABS/TCS Components .... ....... ...... 19-55
Bulb, GeugeRep|acemenl................ .. ............2263
Bulb, HeadlightReplacement ......................................... 22-A1
Bumper, FrontRemoval/1nsra11ation ............................ 20 85
Bumper, RearRemoval/lnstallation... ... . .....20.86
Combination Light SwilchTesVReplacement ..............................22 80
Connecting Rod BearingsRep|acement...................... .......-....7-8
Connecting Rod Boltsf nspection ....................-.-.-.-.................... 7 -24
Connecting RodsInspection ........,,.,.,...,.,.,.,.,,,,.,,,.,.,.,.,.,.,.,.. 7 5
Connectors(See first page of this Index)
Conventional Brake Component3Component Location Index ................... 19'3Troub1eshootin9 ..................................... 19-4
Cylinder Head AssemblyComponent Location Index ..................... 6-3Inspection ................................................. 6 6Removal ..........&23Insta11alion .............................................. 6 39
Cylinder Head Cover8emova1 ..............-.-................................. 6-22Installation ..............................................6-41
Cylinder Head, BareInspecton..,.....,.
D
c
Cable ReelReplacement....................................... 23-1 19
CamshaftInspection .......................-...-................... 6-29
Cargo Area LightTesVRep1acement ................................ 22-97
CarpetReplacement.....-...-..... ... ......-.20-55
Ceiling Light-estrReplacement ................................ 22.96
Charging SystemComponent Location Index................... 4-20Circuit Diagram ...................................... 4-21
19-8
CoolantInspection .................. ..... .. 106Replacement................. ... . .. 10 6
Coolant Temperature Gat|geTroub1eshootin9................................... 22 64
Cooling SyslemComponent Location Index................... 10-2
Countershaft BearingsReplacement............... ..................... 13-42
Cowl CoverReplacement............... .. ..... ....20-95
CrankshaftRemoval .................................................. 7 -12
Repair ..................
Inspec(on,,,,,........1 14
Dampers. FrontReplacement................ ..................... 18 20
Oampers, RearRep1acement......................................... 18-34
Dash VentsBemoval/lnstallation .-.......................... 20-64
DashboardBemoval/1nsta11ation ............................ 20-66
Oashboard Center PanelRemoval/1nstaf 1ation ............................ 20 62
Dashboard Lower CoverRemoval/lnstallation ...................... 20-59, 63
Dashboard Under CoverRemoval/lnstallation ............................ 20 60
Diff erential Carrier Bearings, M/TRep1acement,,......,...,...,.,.,,,.,.,,,........,.,. 13-54
Ditferential Oil Seals, M/T8ep1acement......................................... 13-55
Differential Pinion Gears, M/TInspection .,....-,.,,,.,..,.-,.,.........,.,.,,, 13 53
OLC CircuitTroubleshooting ................................ 1 1-109
Door GlassRep1acement.,.,,,,,,,,,,,.,,,,,,,,,,.,.,.,.,.,,,,,,.,, 20-9Adjustment. .. .....................20-11
Door Glass WeathelstripsReplacement .............-.. . . . ..........-......20 10
Door LatchesReplacement ..........-.-.............................. 20-7
Door Lock ActuatorsTest ...................................................... 22-154
Door Lock Knob SwitchesTest -......... . . . - . . . . . . . . ......22-160
Door Lock SwitchesTest ........... ............................ ............. 22-160
Door Outer HandlesRep1acemen1 ........................................... 20-6
3
Child Seat Tether AnchorRemoval/lnstaf lat;on .. ........................ 23 11
CKP (Crankshaft Position) SonsorReplacement....................................... 1 1-116
ClutchComponentLocation 1ndex................... 12-3Rep1acemen1........................................... 12-9
Clutch InteYlock SwitchTest.....-........-...-............. ...---.-.......4-6
Clutch Master CylinderReplacement........................................... 12 5
clutch PedalAdjustment ............................................. 12 4
Clutch Pedal Position SwitchTest.,.,,,,,.,,,.,.,,,,,,.,.,,,,,,,,,.,,,,,.. ......445
lnstallation.................. . ..... .....1-24
Crankshalt Main BearingsReplacement........-.-.................................. 7-6
CrankshaftOil Seal,Transmission End1nstanation .............................................. 7 28
Crankshafl PulleyRemoval/lnstallation -..................-.......... 6-1 1
Cruise Control Actuator
Troubleshooting
Clutch Slave CylindorBeplacemeit...
...................... 4-43
.......4-22
Test
12-1
RepIacement........................................... 4-44
Cruise Control Actuator CableAdjustment ............................................. 4 45
Cruise Control Main SwitchTesVRep1acement .................................. 4 42
Cruise Control Set/Resume/Cancel SwitchTesVRep1acement .................................. 4 42
Cruise Control SystomComponent Localion Inde\................... 4-36Circuit Diagram ....-................................. 4 37
Cruise Control UnitInputTest.............................. .. ...4,40CMP {Camshaft Positionl Senso]Replacement....-...-.............................. 1 1-128
CMP (TDC) SensorsReplacement............-.......................... 1 1 1 14