2002 HONDA CIVIC brake sensor

Connectors and Harnesses
Connector to Harness lndex (cont'd)
Floor Wire Harness (Front sidel
Connec-tor or TerminalI Refuavftres Location connects to Nol6sDriver's seat belt switchDriver's side airbag inflatorDriver's side impact sensorLeft side seat belt buckle tensionerMemory erase signal (MES) connectorParking brake switchPassenger's seat belt switchPassenger's side airbag inflatorPassenger's side impact sensorRight side seat belt buckle tensionerSRS unit connector BSRS unit connector CUnder-dash fuse/relay boxconnector P {see page 22-45)Under-dash fuse/relay boxconnector O (see page 22,45)c402
c403
c453
c508
c509
c512
11l013121995374202111
'r8
22
23
2
14
1
6
3 I Under driver's seat2 i Under driver's seat2 I Left side offloor4 Under driver's seat2 Under dash fuse/relay box1 1 Middle offloor3 Under passenger's seat2 Under passenger's seat2 Right side offloor4 Under passenger's seat18 I Under middle of dash8 Under middle of dash18 Underdash fuse/relay box
8
]
Under dash fuse/relay box
10
I
Under middle of dash
4 Under middle of dash
6 Under middle of dash
4 Under middle of dash
6 Under middle ofdash
8
I
Under middle of dash
10 Under middle of dash
4 ] Unaer middle of aasn
Dashboard wire harness B{see page 22 30)Dashboard wire harness B(see page 22-30)ECM wire harness (see page22-321Dashboard wire harness A(see page 22-26)Dashboard wire harness A\see page 22-26)Dashboard wire harness A{see page 22-26)Engine compartment wireharness (see page 22 18)OPDS unit harness (see page22-421G551IL,nder passenger's seatBody ground via floor wire
22-34

Gonnectors and Harnesses
a
Floor Wire Harness {Rear side}(cont'dl
Cargo areaDriver's door switchEVAP emission bypass solenoid valveEVAP emission control canister ventshut valveFuel pump/sending unitFuel tank pressure sensorLeft back-up lightLeft rear ABS wheel sensorLeft rear side marker lightLeft rear speakerLeft rear turn signal lightLeft side seat belt tensionerLeft taillighVbrake lightNoise condenser (rear windowdefogger)Noise condenser (rear window wiper)Passenger's door switchRear window wiper intermiftentcontrolunitRight back-up lightRight taillighvbrake tightRight rear turn signal lightBight rear ABS wheel sensorRight rear side marker lightRight rear speakerRight side seat belt tensioner
c554
Fueltank
FueltankFueltankLeft taillightLeft rear offloorBehind left side of rear bumperLeft quarter panelLefttaillightLeft B-pillarLeft taillightRight quarter panel
Right quarter panelRight B pillarRight q uarter panel
Right tai ightRight taillightRight taillightRight side of cargo area
side of cargo areaLeft B pillarFueltank
Right quaner panel
6224
I32512642A527'13
181011
222021151912117
I
2122
5322222232
232222212
12
2120
Behind right side of rear bumperRight quaner panelRight B-pillarRight quaner panelHatch wire harness (see page22 39)Hatch wire harness (see page
rear seal bdcl Bodv ground vta
Right side of cargo area Body ground via floor wire
Connector to Harness Index (cont'dl
22-36

Power Distribution
Fuse to Components lndex
Under-hood Fuse/Relay Box
Fuse
Number
AmpsWire ColorComponent(sl or Circuit(s) Protected
'I204BLUI/ELCondenser fan motor
BLU/REDAy'C compressor clutch
15AWHT/GRNDash lights, Front parking lights, Front side marker lights, License plate
liqht, Rear side marker liqhts, Tailliqhts
7.5AWHT/BLUCarqo area liqht, Ceilinq liqhts. lqnition Kev liqht. Sootliohts
204BLU/BLKRadiator fan motor
510AWHT/BLKTurn siqnal/hazard relav, Turn siqnal liqhts
15AWHT/BLKCKP sensor, ECM, IAC valve, lmmobilizer control unit-receiver, Injectors,
PGM-FI main relav 1 and 2. TDC sensor
715AWHT/GRNBrake lights, Brake signals (to ABS modulator-control unit, Cruise control
unit, ECM)
BLU/REDi1 Orns
820AWHT/GRNABS modulatorcontrol unit
910AWHT/REDAudio unit, Data link connector (DLC), Gauge assembly, lmmobilizer
control unit-receiver, lmmobilizer indicator light. Keyless receiver unil,
lvlultiDlex control unit
1040AWHT/REDABS modulator-control unit
1130AB LK/YE LNoise condenser, Rear window defoqqer
40ABLU^^/HTBlower motor
IJ40AWHT/BLKNo. 7 fuse (in the under-dash fuse/relav box), Power window relav
1440AWHT/REDNo.2 and No.3 fuses (in the under-dash fuse/relav box)
t515AREDI/ELDaytime running lights control unit (Canada), Daytime running lights relay
{Canada), Hioh beam indicator liqht. Left headliqht
16204WHTMultiplex control unit
1715AREDDavtime runninq liqhts control unit (Canada). Rioht headlioht
1860AWHTiBLUEPS control unit
1980ABatterv. Power distribution
2040A'
50A'?
WHTlgnition switch (BAT)
* 1: USA" 2. Canada
O: Spare fuse
t t"| lll Itt 4t I
l l---- E'l E,l E,l r--r r---r t__J i; i6'!/'
E,l E,l E,l Eol E l f__--lI l'lr]n | |I r L__J,a ,..r^{-------l^-,
n[:]$"Lrt " N2, nf - r^l
22-46

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

Gauges
\-Component Location Index
PARKING BRAKE SWITCHpage 19-10
FUEL GAUGE SENDINGpage 11-156ENGINE OIL PRESSURE SWITCHpage 8-4
GAUGE ASSEMBLYSelJ-diaqnostic Procedure, page 22-56Gauqe dulb Replacement, page 22 63Rep6cement, page 22-64Coolant Temperature GaugeTroLrbleshooting, page 22'64
BRAKE FLUID LEVEL SWITCHpage 19-10VEHICLE SPEED SENSOR {VSS)Troubleshooting, page 22-65Beplacement, page 22-67
22-54
\

Service Manual lndex
)s
NOTE: Referto the lollowing listto look up A/C Pressure Switch CircuitDTCS, symptoms, fuses, connectors, wire Troubleshooting ......... ...-.-....-...-.-.-....-..21-32 Bharnesses, specifications, maintenanceschedules, and general serviceinlormation:
DTC Troubleshooting Indexes
A/C Signal CircuitTroubleshooting.........................-...... 11-'133 Back-up Light SwitchTest .......................................................... 13'3A/F lAir Fuel Ratiol SensorABS/TCS Components ........................ 19-34 Replacement ....................................... 1 1-113 Back-up Li9ht3EPS Components ................................. '17-22 Circuit DiagramFueland Emissions11-i A-Dillar Corner Trim
ABS Indicator Circuit
Heating/Ventilation ................................ 21-9 Replacement ...............-.....-..............-.... 20,96 Ball Joint BootssRS ........................................................ 23-28Replacement ......
... 19-52 Ball Joints
22-75
18 16
Remova1.............-.......... . ...........18-10Symptom Troubleshooting Indexes TroubleshootingABS/TCSComponents........................ 19 35Cruise Control System ..........................4 38 ABS Modulator-contml UnitEPS Components ................................. 17-23 Bemoval/lnstallation ............................ 19-57 BettervFan Controls10,12
Accessory Powor Socket Front
Blowor Pow€r Transistor
.......22 50
Blower UnitRemoval/lnstallation ............................ 21-39
Fuel and Em issions .............................. 11-10 ABS/TCS ComoonentsHeating/Ventilation..............................21 10 Component Location Index ................. 19-30 Beverage Holder
SRS ........................................................ 23'30 CircuitDiaqram.......................... 19'42Blower MotorReplacement .....21 41
21-38
Power 0istribution ...............................22-46 TesVReplacement .............................. 22'149Under-dash Fuse/Relay Box ............... 22 45Under-hood Fuse/Belay Box ...............22 44 Accessory Power Sockets
Fuse/Relay lndexes
(to harness)
Connector and Wire Harness lndexesComponent Connectors
Circuit Oiagram .................................. 22-149
Air Cleaner......2214 Rep1acemen1.....................................11-162
Air MixControl MotorMeintenence section .................... Section 3 Replacement ......................................... 21'34 Brake CelipersTest......................21-34 Overhaul19-14,23Gene.al lnlormation section........ Section 1
21.57
Airbag. Driver's
Ahernator FR Signal CircuitTroubleshooting .... .........-..........11 134
AntennaReplacement
Inspection ............................................. 19-24Rep|acement................. .................... 19-25
Bieke Meder Cylinder
Irake Discs
A
Replacement ....................................... 23 1 'l3 Inspection .................... ................... 19-13,22Repair ...........-...................................... 23 1 16Brake Fluid Level SwitchAirbag. Front Passenger's TestBeplacement....................................... 23-1 14AIC Brake LightsComponent Location fndex ...................21-3 Altemator CircuitDiagram....................................22-74Description.....................................-....21'1'l Beplacement ................ ........................... 4 29CircuitDiagram....................................21-14 Overhaul .................................................4-30 Brake Lines and Hoses
19.10
A/C CompressolReplacement .......-...-............................. 21 -41
A/C Compr€ssor ClulchRep1acement......................................... 19-15.........22-103 Inspection ............................................. 19-16Inspecton........Overhaul ..........
A/C CondenserReplacement,.,
21-442l-49 Audio Unit
Replacement
Brake PadsRemoval/lnstallation .. ........................22-100 Inspection/Rep1acement................ 19-11,20A/C Compressor Clutch CircuitTroubleshooting ................................... 21-30 Audio Unit Connector Brake Pedal22101 Adjustment..............19,6ArfC Comoressor Relief ValvcReplacement ..........-...-.......................... 21-51 Audio/Entertainment
A/C Compr$sor Thermal Protector Circuit DiagramReplacement............-............................ 21-51
Component Location In dex .................22-9A Test .......-.............. 22-84Breke Pedal Posilion Switch
Brake Pedal Position Switch Signal Clrcuit11-137
.....21 52
A/C Condenser Fan CircuitTroubleshooting ................... . . . . . .....21-28
)s
Troubleshooting
(cont'd)

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

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