1999 HONDA CIVIC Seat

JBulb Locations {Without Tachometer)
TRUNK INDICATORLIGHT {1.i1W}
.4 Wl
CHARGING SYSTEM LIGHT 11,4 W}
LTGHT (1.4 W)GAUGE LIGHT
SEAT BELTREMINDER LIGHT (1.4 WI
LOW ENGINE OIL PRESSUBE
INDICATOB LIGHT (1.4 WI
LOW FUEL INDICATORLrGl{T (3 W)
RIGHT TURN SIGNALINOICATOR LIGHT
(1.1Wt
GAUGE LIGHTS {3 WI
WASHER LEVELINDICATOR LIGHT{1.4 W} lcanad.l
HIGH BEAMINDICATOR LIGHTMALFUNCTIONINDICATORLAMP (MIL)
BULB {1.4 WI
{1.ilW)
LEFT TURN SIGNALINDICATOR LIGHT {1.4 WI
A/T GEAR POSITIONINDICATOR (1.12 x 6)(On the printed
circuit board)
sRs TND|CATOR 11.4 W)
{On the Drinted circuit board}
aBs tNDtcAToR t1.4 W)(On the printed circuit board)(3.{ Wt
o/ o \7 o
23-137

Integrated Gontrol Unit
Input Test (cont'dl
A8--------.--all
Key-in/Seat Belt R€mind€r, Lights-on Reminder Systom:
Cavity WireTest condhion
Bulb Check System (Brako System Light):
Cavity WireTest condilion
Tost: D€sirod r€guh
T6st: Dosirad result
Possible cause if result is not obtained
Possibls cause if rasuft b not obtainod
A8
Combination light
switch ON
Check for voltage to ground;
There should be battery voltage.
Blown No.30 (7.5 A)fuse in the
under-dash fuse/relay box
Faulty combination light switch
An open in the wire
B7RED/BLU
lgnition switch ON (ll),
and driver's seat belt
switch unbuckled
Check for voltage to ground:
There should be 1 V or less.
Poor ground (G552)
Faulty seat belt switch
An open in the wire
B9GRNDriver's door openCheck for voltage to ground:
There should be 1 V or less.
. Faulty driver's door switch. An open in the wire
Bl0BLU/RED
lgnition key inserted
into the ignition key
switch
Check for voltage to ground:
There should be 1 V or less.
Poor ground (G401. G402)
Faulty ignition key switch
An open in the wire
A4GRN/RED
lgnition switch ON {ll),
brake fluid reservoir
full, and parking brake
tever oown
Connect to ground: Brake system
light should come on.
Blown No.25 (7.5 Alfuse in the
under-dash fuse/relay box
Blown brake system light bulb
An open in the wire
A13BLUA/1r'HT
lgnition switch at
START (III)Check for voltage to ground:
There should be battery voltage.
Blown No.31 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty starter cut relay
An open in the wire
23-160

Headlights
Adjustment
Eoforo adiu3ting th€ h.adlights:
. Park the vehicle on level surface.
. Make sure the tire prgssures are correct.
a The driver or someone who weighs the same should
sit in the driver's seat.
96 - 98 modols
1. Open the hood.
2. Check the horizontal adjustment indicator.
The "0" mark on the horizontal indicator gear
should be aligned with the mark on the horizontal
indicator.
HORIZONTAL INDICATOR
Check the vertical adjustment indicator. The bubble
should be centered underneath the longest scribe
mark on the gauge.
VERTICAL INDICATOR:
Headlight become very hot in use; do not touch them
or any attaching hardware immediately after they
have been turnsd off.
MARK
23-164
(Bubblol
lf either indicator is not aligned with its "0"mark as
described left column, an adjustment can be made
by using a Phillips screwdriver.
Adjust the headlights to local requirements by turn-
ing the adjusters.
After headlight replacement, it may bs necessary to
readjust the horizontal indicator gear.
. First install the headlioht, and adjust its horizon-
tal and vertical aimings according to local re-
quirements.
. Then check that the arrow on the horizontal indi-
cator gear is aligned with the mark on the hori-
zontal indicator.- lf they are not aligned, remove the screw,
adiust the indicator gear, and retighten the
screw.
NOTE: As the outer lenses are made ot an acryli-
coated, polycarbonated material, do not cover the
headlights when they are turned on.

Description
)
The sRS is a safety device which, when used in coniunction with the seat belt, is designed to help protect the driver land
front passenger) in a frontal impact exceeding a certain set limit. The system consists of the sRS unit {including safing
sensor and impact sensor), the cable reel, the driver's airbag (and front passenger's airbag)
FRONT PASSENGEB'SAIRAAG
DRIVER'S AIRBAG
CABLE REEL
SRS UNtT
t
Operation
The main circuit in the SRS unit senses and judges the force of impact and, if necessary, ignites the inflator charge(s) lf
battery voltage is too low or power is disconnected due to the impact, the voltage regulator and the back-up power clrcult
resoectivelv will keep voltage at a constant level.
For the SRS to operate:
(1) The impact sensor must activate. and send electric signals to the mlcroprocessor'
(2) The microprocessor must compute the signals' and must send signals to the airbag inflator(s)'
{3) The inflator(s) must ignite and deploy the airbag(s)'
_"-_-l
Ir3B!#h i
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Self-diagnosis System
A self-diagnosis circuit is built into the SRS unit; when the ignition switch is turned ON (ll), the SRS indicator light comes
on and goes off after about six seconds if the system is operating normally
lf the liglt does not come on, or does not go off after six seconds, or if it comes on while driving, it indicates an abnormal-
ity in the system. The system must be inspected and repaired as soon as possible
For better serviceability, the memory will store the cause of the malfunctlon, and the data link circuit passes on the infor-
mation from the memory to the data link connector (DLC). This intormation can be read with the Honda PGM Tesler con-
nected to the DLC (16P).
l,
24-5

Contents
How to Use This Manual ICircuit Schematics (see Circuit Index)Fuse/Relaylnformation 6Ground-to-Componentslndex 6-6ComponentLocationPhotooraohs 201Conriector Views 202
Circuit Index
Accessory power socket 155Air conditionerAir delivery'96198 models 61'99-'00 models 61-2Blower controls'96198 models 60'99100 models 60-1Compressor controls 62Fans 63Anti-lock brake system (ABS) 44A/T gear position indicatorCVT 89All except CVT 89-1Automatic transmission controlsAll '96-'98 models except CVT and GX 39All '99100 models except CVT 39-8All GX models 39-8'96-'98 CVT 39-4'99100 cw 39-12Back-up lightsCoupe and Sedan 110Hatchback l'10-1Brake lightsAll Coupes and'96-'98 Sedans 110-15'99-'00 Sedans 110-16Hatchback 110-17Brake system indicator light'96198 models 7'1'99100 models 71-1Ceiling light 114-3Charging system 22Condenser fan 63Console lights 114Cruise control 34Dash lights 114Daytime running lights 110- 13Engine coolant temperature gauge 81-1Fog lights 110-10Front parking lights 110-2Fuel gauge 81-1Fuse/relay boxUnder-dash 6Under-hood 6-4Underhood ABS 6-3Gauges 81Ground distribution 14Ground-to-Componentslndex 6-6Hazard warning lightsAll except '99100 Sedans 110-6'99100 Sedans 110-8Headlights 110-12Headlight switch 100Heater - See Air ConditionerHorn'96197 models 40'98 model 40-1'99100 models 40-2lgnition key reminder 73lgnition systemAll '96198 models except Dl685 20All '99100 models except D16Y5 with Mn 2O-2All D1685 engines 20-2'99-'00 D 16Y5 with M/T 20
lndicators 80Integrated control unit 70lnterlock systemAll except'96J98 CVT 138'96198CVT 138-1License plate lightsAll Coupes and '96-'98 Sedans I l0-3'99100 Sedans 1 10-4Hatchback 110-5Low fuel indicator light 74Moonrool'96197 models |22'98-'00 models 122-1Odometer 81Oil pressure indicator light 80-3Power distributionBattery to ignition switch, fuses, and relaysFuses to relays and components 10-2Power door locksAll models without keyless entry 130'96-'98 models with keyless entry 130-2'99100 models with keyless entry 130-12Power mirrorsWithout detogger 141With defogger '141-2
Power windows 120Programmed fuel injection system (PGNr-Fl)All '96-98 models except D1685 23All '99-'00 models except D16Y5with M/T and D1685 24All D1685 engines 25'99100 D16Y5 with M/T 23Radiator fan 63Rear window defogger'96-,98 models 64'99100 models 64-1Seat belt reminder 73Security system'96.'98 USA HX, LX, EX 133'96-'98 Canada EX, Si 133'99TOO USA HX, LX, EX, DX.V Si 133-4'99100 Canada EX, Si 133-4All CX and DX models 133-8Speedometer 81Starting systemA./T (All except Dl685) 21A"/r (D16Bs) 21-1Manualtransmission 21-2Slereo sound system 150Supplemental rastraint system (SRS) 47Tachometer 81TailliqhtsAllboupes and'96-'98 Sedans 110-3'99100 Sedans 1 10-4Hatchback 110-5Trunk light 114-3Turn signal lightsAll except'99100 Sedans 110-6'99-'00 Sedans 1 10-8Vehicle speed sensor (VSS) 33Wiper/washerFront 91Rear 92
10

Power Distribution Schematics
Power Distribution schematics show how power is supplied from the positive battery terminal to
various circuits in the car. Refer to the Power Distribution section to get a more detailed picture
of how power is supplied to the circuit you're working on.
From Battery to lgnition Switch, Fuses, and Relays
Individual circuit schematics begin with a fuse. The first half of Power Distribution, however,
shows the wiring "upstream" between the battery and the fuses.
CYLINDERBLOCK
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",-* f ]fo,o
i BATTERY
IIII
-
----------------Y-?-
ruse so I ruse as I ruse ga | ' ,s. ,a I =u. - srl ruse aai ruse qr I ruse so I ruse sr i ruse iapowEF csw FUsE Bc, \F,.n .;,cren ooon \coounc cor,r. \sun noor powrnw'NDowf50a {* .i1-;.*"1liT""fi3f* f5# fffi'*"f'* fS?'*
- - -L - - -. ... Ji - -.J.- - - -e- - -l. - - -La - J- - - I - - -
"";%,, Y rtr,' .9 l' -%,t",,vtEw47 I ! See Power Dastribution,w - vH-,alr. lt - pages 10,10and 10-11.
' I ---il 9,1?-l--4F--?-
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t.urr, 'rrr.,
t i!?'.,,?"" t::=. l ty::.1----.-
-
i
a I r(op-B) .{Noru3€d) J$ifl#ii Jtocl }3fo**."".o'
t -L - - -L - - -: rJ:e'- - -Ei s+s-r -.Fl-J-Jrr.-.
It-STARTER | !Pase 21 ! t FUSE 31I "rn*i
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i L_i***'" iL-------J
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FUSE /I4 ' FUSE 47 ' FUSE 5{' ' FUSE 51' FUSE 52
rlr
OOOB \COOLING CON. \SUN BOOF FOWER
t3f* f5# fffi*" f'* fs?'*
See Power Dastribution,pages 10'10 and 10-11.
T101
34
ALK
4
GAN
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FUSE 8DF POWEF SEAT204
FUSE 6ECU204
FUSE 5A/C CLUICH(FN HEATEDSEAD204
C901 C921 {NotPHoro zz OPTION Used)v/EW22 CONNECTOBSee Power Distnbution, page 10-2.
1
FUSE 4
FADIO104
c901
vlEw22
FUSE 12(BUltNrrGLIGHT)
FUSE 19R/C MIRROF
YEL
7
i-f,r-- 't PowERI uon- I Wlt{DOWi racrs i RELAY. t P^da 1tL-J P;dr1ii-
FUSE 3CONOENSEF FAN RELAYCOOLING FAN RELAY
To Fuses 17, 18, 21,and 24, for details,see Power Windowspage 120.a
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ALTER-NATORPage 22
f102
c330
See Power Distribution, pages 10-4 and 10-5.

How To Use This Manual
Power Distribution Schematics (cont'd)
From Fuses to Relays and Components
The second half of Power Distribution shows the wiring "From Fuses to Relays and
Components." This can speed your troubleshooting by showing which circuits share luses. lf
Power Distribution shows thal an inoperative circuit and another circuit share a fuse, check a
component in the other circuit. lf it works, you know the fuse is good and power is available to
the inoDerative circuit.
oa
UNDER.DASHFUSE/RELAYBOXI i *. to i ru..'.' l * tt I tust tt
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ALTENNATORPaoe 22PHdro 29
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tlL------JSTEREO AMPLIFIERPaoe 150-3PHdfo 1s3vtEw 106
121
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ltlllt--J ' l--JDAYTIME : POWERRUNNING ; SEATLIGHTS . CONTROLCONTROL . UNITUNIT ' Paoe 143-2paoe 1to-j2 t PHdro t2.PHdTo 1so i wEw 110vtEw 65
- - -' Canada '_ _ _(cont'd)

Ground Distribution Schematics
This sample Ground Distribution schematic shows all of the components that share two
ground points.
TCSCONTROLUNITPage 35
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FRONTPASSENGER'SSEAT HEATERPage 147
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FRONTPASSENGER'SSEAT BELTSWITCHPage 145
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RIGHTREAR DOORASHTRAYLIGHTPage 114
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