2002 HONDA CIVIC roof

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

Relays
Power Relay Test
Use this chan to identify the type of relay, then do the
test listed for it.
NOTE: Turn signal/hazard relay input test (see page 22-
87).
RelayTest
A'lC comoressor clutch relavNormally-open
type AAirlfuel ratio sensor relav
Condenser fan relay
Headlioht relav 1
Headliqht relav 2
Horn relav
Power window relay
Radiator Ian relay
Reverse relav
Starter cut relav
Tailliqht relaV
Daytime running lights relay
{Canada )
PGM-FI main relav 1
PGM-Fl main relav 2
Blower motor relavNormally-open
tvpe BRear window defoqoer relav
Moonroof close relayFive terminal
typeMoonroof oDen relav
Low beam cut relav {Canada)
Normally-open type A:
Check for continuitv between the terminals.
. There should be continuity between the No. 1 and
No,2 terminals when power and ground are
connected to the No. 3 and No. 4 terminals.. There should be no continuity between the No. 1 and
No.2 terminals when power is disconnected.
type 1:
type 2:
PGM-FI main relay 1
PGM-FI main relay 2
type 1:
type 2:
(cont'd)
22-51

Audio System
Component Location Index
AUOIO UNITRemoval/f nstallation, Daoe 22-100Connector Terminals, pa-ge 22-101
RIGHT DOOB TWEETERReplacement, page 22-102
ANTENNA SUB LEAD
DRIVER'S DOOR SPEAKERReplacement, page 22 102
ROOF ANTENNAReplacement, page 22-'1 03
RIGHT REAR SPEAKERReplacement, page 22-102
LEFT REAR SPEAKERReplacement, page 22-102
ANTENNA LEAD
22-98

Audio Unit Connector Replacement
CavityWireConnects to
1YEUG RNRoof antenna
2YEUREDACC (Power)
3Not used
4Not used
5PNKRioht rear sDeaker (+I
6BLU^/vHTLeft rear sDeaker (+)
7GRN/YELFront oassenqer's door sDeaker {+)/Riqht tweeter (+)
8G RN/BLKDriver's door speaker { + )/Left tweeter (+ )
9RED/BLKLiqhts on siqnal
10WHT/REDConstant power
11Not used
12Not used
Not used
14Not used
taB LU/YE LRioht rear soeaker (-
toBLU/BLKLeft rear sDeaker (
11GRY/REDFront passenqer's door speaker ( )/Riqhttweeter {
18LT GRNDriver's door sDeaker ( )/Left tweetr ( -
19REDDash liqhts briqhtness controller
20BLKG round (G503)
AUDIO UNIT 2OP CONNECTOR
22-101

Roof Antenna Replacement
1. Remove the rear part of headliner (see page 20-54).
2, Disconnect the antenna lead connector (A) and 1P
connector (B) from the roof antenna (C).
3. Remove the mounting nut and the antenna.
22-103

Moonroof
Component Location Index
MOONROOF CONTROL UNITInput Test, page 22-'l10
MOONROOF SWITCHf e$, page 22-112Replacement, page 22-1 12
Test. page22-112Replacement, page 20-41
MOONROOF LIMIT SWITCHTest, page 22-113
\|.
MOONROOF AUTO-STOP SWITCHTest, page 22'113MOONROOF OPEN RELAY
lwire colors: GRN/YEL, GRN, ILRED/YEL, BLK and YEUGRN ITest, page 22-51MOONROOF CLOSE RELAY
lwire colorsr GRN/BLK, GRN, ILGRN/WHT, BLK and YEL/GRN ITest, page 22-51
22-108

Moonroof
Moonroof Control Unit Input Test
Remove the headliner (see page 20-54).
Disconnect the 5P connector (A) from the control unit (B).
Wire side offemale terminals
Inspect the connector and socket terminals to be sure they are all making good contact.
. lf the terminals are bent, loose or corroded, repairthem asnecessary. and recheckthe system.. lf the terminals look OK, go to step 4.
IJ
1.
2.
bJ
GRN/WHT LT GRN
12345
RED/YEL BLK
22-110
$J

4- Reconnect the moonrool control unit 5Pconnector, and makethese inputtests attheconnector.
.lfanytestindicatesaproblem,findandcorrectthecause,thenrecheckthesystem.. lf all the input tests prove OK, go to step 5.
CaviiyWireTest conditionTest: Desired resuhPossible caus6 if result is not obtained
5BLKUnder allconditionsCheck for continuity to ground:There should be continuity.Poor ground (G501)An open in the wire
,lYEUGRNlgnition switch ON (ll)Check for voltage to ground:There should be baftery voltage.Blown No. 6 (7.54)tuse in the underdash fuse/relay boxAn open in the wire
LT GRNlgnition switch ON (ll)MoonroofclosedCheck for voltage to ground:There should be 1V or less.Poor ground (G501)Faulty moonroof auto-stop switchAn open inthewire
Moonroof openCheck for voltage to ground:There should be battery voltage.Shortto groundFaulty moonroof auto-stop switch
Disconnectthe moonroof control unit 5Pconnector, and make these;nputtests at the connector
'lfanytestindicatesaproblem,findandcorrectthecause,thenrecheckthesystem.. lf all the inputtests prove OK, the control unit must befaultv. Replace it.
CavityWireTest conditionTest: Desired rosultPossible cause if result is not obtained
3RED//ELlgnition switch ON lll)Connect a jumper wire between No,3 and No. 5 terminals.Moonroof motor should run(opened).
Poorground (G501)Blown No. 6 (7.5Aifuse in the under'dash fuse/relay boxBlown No.7120Alfuse inthe underdash fuse/relay boxFaulty moonroof open relayFaulty moonroof close relayFaulty moonrooJ motorAn open;n thewire
2cRN,4/VHTlgnition switch ON (ll)Connect a jumper wire between No.2 and No. 5 terminals.I\,4oonroof motor should run {closed).
Poor ground (G501)Blown No. 6 (7.5Aifuse in the underdash fuse/relay boxElown No. 7 (20A)fuse in the underdash fuse/relay boxFaulty moonroof open relayFaulty moonrool close relayFaulty moonroof motorAn open in the wire
22-111