1998 HONDA CIVIC Tune up

Fuse
NumberAmpsPageFuse Name
(RR WIPER
RR WASHER)
i R HiL HIGH BEAM | 10
L H/L HIGH BEAM
| (PAIV RR-L)
i (P/vv RR-R)
(rGN CO|L)
10I (P,^/V AS)
Component or Circuit Protected
Not used
Not used
Rear wiper, Security system (option)
(Vehicles pre-wired for accessory security system)
'10r 1n-2
I
| 1 10-12i Right headlight, DRL control unit (Canada)
Lett headlight, DRL control unit (Canada)
I ro-rsSecurity system (option)
| 120-2 | Left rear window motor
Right rear window motor
lgnition coil ('98-'00 models except GX)
| 120-1 | Front passenger's window motor
i (PiW DH)| 20 1 12O I Driver's window motor
TURN LIGHTSHazard warning switch
FUEL PUMP
(SRS UNIT)
PGM-FI main relav, SRS unit
(cRUrsE CoNTROL)
/KtrVt trSS\
Stereo radio tuner ('96-'98 USA: LX, EX, and HX),
Cruise control main switch, Keyless door lock
control unit ('99-'00 models with keyless entry)
15ALTERNATOR
SP SENSOR
l-a10-4I ELD unit, Gauge assembly, TCM (96-'98 CW, PGM-FI
16I RR DEF RELAY7.510-8I Rear window defogger ('96-'98 models), ABS control
I unit. Power mirror switch ('99-'00 models except GX)
i-HEATER r/C
I RELAY
Power mirrors ('96-98 models and all GX models),
Air delivery, Blower controls, AilC compressor
controls, Fans
I (RUNNING LIGHT
I RELAY)
1 7.5 1
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I DRL control unit (Canada)
i BACK-UP LTGHTSi Back-up lights
(RUNNING LIGHT)DRL control unit (Canada)
I R H/L LOW BEAM'10 l11o-12Right headlight
I L H/L LOW BEAM | 101110-12 | Left headlight
(cont'd)
(SRS)SRS unit
6-1

- Under-dash Fuse/Relay Box (cont'd)
Fuse/Relay I nformation
Fuse
NumberFuse NameAmps
(P/W RELAY)
(S/R RELAY)
FR WIPER
FR WASHER
LO
Page
10-7 |
I
Component or Clrcuit Protected
i Power window relay, Moonrool
Front wioer/washer
CIGARETTE
LIGHTER
ACC SOCKET
10-7Accessory power socket
I RAD|O CLOCK
I
110 115)l
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1O-7 |
I
Stereo radio tuner ('96198 models), Audio unit ('99100
model)
Not used
i 7.5i 114 iDash & console lights
I srnnrensrorunl | 7.slzl , zt -t , ! eCU-n main retay, PCM/ECM, Integrated controt unit
I ot 21-2 t
I LICENSE LIGHTS I 7.5
I rerr uesls I
Parking lights, License plate lights, Tail lights| 1oo-1 |
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| (f NTERLOCK UNIT) | 7.5 | 10-12 I Interlock system
* = '98 models
6-2

Ground-to-Components I ndex
f.,lONOTE: All ground wires are BLK unless otherwise noted.
GroundPageComponents or Circuit Grounded
Battery (BLKYEL)
Steering pump bracket
t+-rg ITransmission housing
l
G101
(-1)
G101
(-2)
14-2
and
14-3
ano
14-1
Powertrain or engine control module (PG1 and pG2 are BLK: LG1 and LG2 are
BRN/BLK), EGR control solenoid valve (CW, EGR valve and lift sensor (Dt6yS enginewith M,/T), Engine coolant temperature switch, pGM-Fl main relay, power steeringpressure switch (USA), Primary HO2S (D16Y5 engine with l\/,/T), Vehicle speed sensor,VTEC pressure switch (D16Y5/D16Y8 engines), CKF sensor (BRN/BLK), Transmission
control module (CYf) (Pc1 is BLK: LG1 is BRN/BLK)
Shielding betvveen the PCM or ECM and these components (all have BRN/BLK wires):
CKF sensor, TDC/CKP/CYP sensor. Primary and secondary heated oxygen sensors.
Knock sensor (CWDl6YB engine), Mainshaft speed sensor (AiT except CVT),
I Countershaft speed sensor (A/T except CVf)
Shielding between the TCM and these components (CVT) (all have BRN/BLK wires):
Drive pulley speed sensor, Driven pulley speed sensor, Secondary gear shaft
speed sensor
Powertrain or engine control module (PG1 and pG2 are BLK; LG1 and LGz are
BRN/BLK), EGR control solenoid valve (D16Y5 engine), EGR valve (Dt685), Engine
coolant temperature switch, Fuel pressure regulator shut-off solenoid valve (D1685),
PGM-FI main relay, Power steering pressure switch (USA), Vehicle speed sensor, VTECpressure switch (All except D16Y7 engine), CKF sensor (A

except 81642) (BRN/BLK)
Shielding between the PCM or ECM and these components (all have BRN/BLK wires):
CKF sensor, TDC/CKP/CYP sensor, Primary and secondary heated oxygen sensors,
Knock sensor (All except D16Y7 engine), i/ainshaft speed sensor (Arf except CW),
Countershaft speed sensor (A,/T except CVf), Drive pulley speed sensor (CW), Drivenpulley speed sensor (CVT), Secondary gear shaft speed sensor (CVf)
I Badiator fan motor, Right front parking/turn signat tight, Right headtight
G20214-4I Cruise control actuator, Left front parking/turn signal lights, Left headlight, Rear window
I washer motor, Windshield washer motor, Washer fluid level switch (,99-'00 Canada)
G401| +-o
and
14-7
Accessory power socket, Brake fluid level switch, Clutch interlock switch (M/T), Clutchswitch (lillT with cruise/D16Y5 engine with MfD, Combination wiper switch (Z wires),
Cruise control main switch, Cruise control unit, Dash lights brightness controller, Data
link connector, Daytime running lights control unit (Canada), Gauge assembly, Horn('96-'97 models), Integrated control unit, Interlock control unit (ArI), Keyless door lock
control unit ('99-'00 models with keyless), Moonroof close and open relays, Moonroof
switch, Park pin switch (A/r), Power window relay, Rear window defogger relay, Rear
window defogger switch ('96-'98 models), Steering lock, Stereo radio tuner (,96-,98
USA: LX, EX, and HX), Turn signal/hazard relay, Windshield wiper motor.....plus
everything grounded through G402
6-6

Ground
G402
Components or Clrcult Grounded
Arr gear position switch, ABS control unit (3 wires), Blower motor high relay ('99-'00
models), Blower motor relay, ELD unit, Heater Jan switch ('96-'98 models), Heater
control panel, Mode control motor ('96.98 models), Power transistor ('99-'00 models),
Service check connector....plus everything grounded through G401
| 14-13 | ABS pump motor
1l-9 i Stereo radio tuner ('96-'98 models), Audio unit ('99-'00 models)
Drivsr's door lock actuator, Driver's door lock switch, Drivefs window motor' Left mirror
defogger, Pow€r window master switch (2 wires), Power door lock control unit (all
except '99-'00 with keyless), Power mirror switch
G55214-9 i Driver's s€at belt switch, Fuel pump, Fuel tank unit, Right mkror defogger
G601
(Hatch-
back)
14-12 iLeft and right back-up lights, Left and right brake lighvtail lights, Lefl and right rear
turn signal lights, Left and right tail lights....plus eveMhing grounded through G761
G601 I 14-10
(All Coupesl
ano
(96198
S6dans)
High mount brake light, Left and right back-up lights, Left and right inner brake lighv
taiilights, Lett and right license plale lights, Lett and right outer brak€ lighvtail lights'
Left and right rear turn signal lights, Rear window deJogger, Trunk latch switch
G601
(99-'oo
Sedans)
G602
('ss-'00
Sedans)
G761
(Hatch-
back)
G771
(Hatch-
back)
14-11
14-12 i
High mount brake light, Left and right back-up lights, Left and right brake lighvouter
taillights, Left and right inner taillight, Left and right rear turn signal light' Rear window
deJogger (GX), Trunk latch switch
Window antenna coil
Hatch latch switch ('98-'00 models), High mount brake light' Left and right license plate
lights, Rear window wiper motor...plus everything grounded through G601
Rear window defogger
14-13 i SRS unit (2 wires)
*1 = All '96-98 models €xcept Dl685, '99100 D16Y5 with M/T*2 = '98 D1685, all '99-'00 models except Dl6Y5 with M/T
e7

A/T
"ar"r"f
-L
I
I
\
FUSE 14(cRu€€ colrTnol)((Ef[rss)1,9'A
c501PHO|O 60vtEw 55
UNDER.DASHFUSE/RELAYBOXPHOfO 58
2 | cssl
FUSE 19BACX UPLtGxTSi7,5A
c4t9
vtEw 49
FUSE 23tsns)
'8YC4l9 , 12' lI P/rOrO 63 |
I BIK/YEL
ll
(Not l0
Used)
c801
.--t
YEL/REOGBY (17)or GFN
* = '99-'00 models except 016Y5
M/T
I
I
"ar"ao I
I
,::, * g;%,,'." I v/Er,v 5e
ll,*'
o""'":f.,
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BACK.UPLIGHTswlTcHPage 110or 110-1
?
I
Ill:L-.J
KEYLESS :DOOR LOCK ,CONTROLUNITPage 130-12 :PHOTO 134vtEw 75
- '99-'OO models . .:with KeylessEntry
CRUISECONTROLMAINswrTcHPage 34
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STEREORADIOTUNERPage 130-2
vlEw68
'96-'98
- - USA| LX, -EX, andHX
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A/T GEARPOSITIONswtrcHPage 110or 1 10-1
snsUNITPage 47
(cont'd)
10-3
'86

cs01 c928l.l!9!9-e ofi|oNCONNECTORPHO|O 62
'99.'00
modals
A42A
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AUDIOUNITPage 150
COMBINATIONACCESSORYPOWERSOCKET
tl
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STEREORAOIOTUNERPage 150
vlEw 6a
WIPERswtTcHPage 91
vlEv\/ 65
WINDSHIELDWIPERMOTOR
(cont'd)
10-7

* = '96-98 models except D1685,'99100 D16Y5 with lVl/T
UNDER-HOODFUSE/RELAYBOX
'98CW - -.
, r--1
:ll:,tt:
: r--J ;, TRANSMISSION ,. CONTROL' MODULE OCM) :' Page 3g-4 ;I PHOIO 121I vlEW 69
I
I
\FUS€ 47aAcx uP
c351
WHT/BLIJ
WHT/BLU
WHT/BLU
18c4'l t
vlEw 60
WHT/ALU
WHT/ALU
11c440
WHT/BLU
10
' WHT/BLU
, 423
c131
vtEw 59
WHT/BITJ
'96-'98
models
I
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STEREORADIOTUNERPage 150
'99-'m
modelsmodeB
'99-'00
models
c723c723
vtEw 57
wHr/atu
810B21cc10)
tl
ll
HEATERCONTROLPANELPages 60-1,61-2,62-2,and 63-2
vtEw 76
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POWERTRAIN oTENGINE CONTROLMODULE(PCM or ECM)
Page 23, 24, ot 25
AUDIOUNITPage 150
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HEATERCONTROLPANELPages 62-1and 63'1
10-1 1

cRutsECONTROLMAINswrTcHPage 34
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ll
1Y
. - -' accessory
: security system :
i secun,rY ;
: SYSTEMi coNNEcroR :' (oPTroN)' Page |33
: '. rg;'3,, :, I vrfl,v 58
ili; . ----+
REARWINDOW DASH LIGHTSDEFOGGER BBIGHTNESSSWITCH CONTROLLER
:93' :gl"' Goug:*:FTi\" f3$??'o"'
llll bi:8d;fttie-i:9-9{EJ
aaal ,"|;fl9,,ff%;"
:f :1'L;,:;;-;__:_:::J
i:ir .:,;,-rr-E:
f
,-T,-"T-'-.
[_j,I=
,
lii
f ::'* ,I., l, I -l*,.Oerminals l '6)
'96-'98 modelspr+wi.ed tor
'99'00 modelspre-wired lor-_----accessory, security system
I srcunrw sEcunrrY :, SYSTEM SYSTEM ;i CONNECTOR CONi{ECTOR '' (oPTroN)
: Page 133-4
PHO|O136'
I- ABS -.
.-- USA: LX. -' .-' vo-Jl --', EX, and ilx mooers
vtEw 56
MOONROOF
!!P:',t MooN.
i*:r?, 33,o+"
'iii?,;) i??3;?'
' STEREO' RADTO TUNER ' ' DASH LIGHTS ,' P.da11o-, ' ' BRIGHTNESS '', ,;;;;- - : : coNTRoLLER '', v,iw;;" i i eage tte.t :, r-1 ,r r-1
: | | ::l I I
: | | ':l I. L-J . L-J
i"'r ii'I i
MOON-ROOFOPENRELAYPage 122ot 122-1
vtEw 15
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'+--a ---'-*-'O
c50tPHOIO 60vtEw 55
r-1 r-1
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lttlL-J L-J
,l
POWENwrNDowNELAYPage 120?HOm 59
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.LIJ
14-7