1999 HONDA CIVIC TFO

SPEEOSENSOF
f7
III
I
CONNECTOF1r6P)
Y
II
I
ttt*'"
"*ttot **" 1*u)
,5-,
I
I
I
fl**',*"
IBLK
I
G401
ECI
SHIFI CONTFOLsolEt€to vALvEASSEMSLY

Inspection and Adjustment
Steering Operation
Steering Wheel Rotational Play
Place the front wheels in a straight ahead position andmeasure the distance the steering wheel can be turnedwithout moving the front wheels.
ROTATIONAL PLAY: 0 - 10 mm (0 - 0.4 in)
lf the play exceeds the service limit, perform rack guide
adjustment (see page lT-5).
lf the play is still excessive after rack guide adjustment,inspect the steering linkage and gearbox as descrjbed
Detow.
Steering Linkage and Gearbox
TIE.ROO LOCKNUTCheck for loose locknut.
BOOTInspect for damage and deterioration.
STEERING JOINTSCheck for loose joint
END BALL JOINTInspect for faulty movementano oamage.
GEABBOX MOUNTINGInspect f or deterioration.GEABBOX ASSEMBLY
Ste€ring Effort Check
Raise the front wheels off the ground.
Turn the steering wheel with a spring scale and check itsreaorng,
Standard: 15 N (1.5 kgf, 3.3 lbll maximum
lf it reads more. perform rack guide adjustment (see
page 17-5).
COLUMNInspect for loose columnmounting bolts and nuts.
PINION SHAFT GROMMETfor damage and deterioration.
BALL JOINT BOOTInspect for damage and deterioration.See pago 17-68 tor replacement.
ao-\---------U
17-4
Inspect for loose mounting bolts.

ISteering Linkage and Gearbox
TIE-ROD END BALL JOINT
Inspect for faulty movement
and damage.
STEERING COLUMN
Inspect for loose column
mounting bolts and nuts
BOOTInspectdamage and deteriorataon
STEERING GEARBOXlnspect for loose mounting bolts.
GEARBOX MOUNTING CUSHIONS
Inspect f or deterioration
STEERING JOINTSCheck for loose joint bolts.
l./
TIE-ROD LOCKNUTfor loose locknut
BALL JOINT BOOT
Inspect for damage and deteriorataon'
See page 17-68lor replacement.
SHAFT GROMMETInspect for damage and deteriorataon.
lrz
17-31

I
Suspension Arms Replacement ('99 2D Si and Si-R models)
CAUTION:
. Replace the selt-locking nuts after removal.
. The vehicle should be on the ground belore any bolts or nuts connected to rubber mounts or bushings are tightened.
NOTE:
. Wipe off any dirt, oil or grease on the threads before tightening the fasteners
. The right and ieft damper forks are not interchangeable. The left damper fork is marked with "AL" while the right
damper fork is marked with "AR"
. The right and left upper arms are not interchangeable. The left upper arm is marked with "SOl-L" while the right upper
arm is marked with "SO1-R".
. Before tightening the upper and lower mounting nuts on the stabilizer link, adiust the location of the link with the sus-
pension under vehicle load.
. When installing the radius arm washers, the "FR" mark faces the front of the vehicle.
. After installing the suspension arm, check the front wheel alignment, and adjust if necessary (see page 18-4).
FLANGE BOLTS10 x 1.25 mmsit N.m 15.5 kgf.m,40 tbtftl
UPPER ARM' Check the ball joint boot fordeterioration and damage.. Check the bushing for deteriorationano oamage,. Check the ball ioint fo. faultymovement and clamage.STABILIZER BUSHINGAlign the stabilizer markwith the end of stabilizer bushing
FLANGE BOLT14 x 1.5 mm
l./
103 N.m (10.5 kgf.m,76 tbr.ftl
STABILIZER LINK. Check the ballioint bootfordeterioration and damage.. Checkthe ballioint tor faultymovement and damage.
STABILIZER BARCheck for bending and damage.
FLANGE BOLT 8 x 1.25 mm22 N.m (2.2 kgf.m, 16lbf.ft)
SELF-LOCKING NUT14 x 1.5 mmReplace.83 N.m 18.5 kgf m, 61 lbf.ft)
-.6r srr-,co", hSHrtlrT.[*"u
6g619g Check for deteriorationano oamage.
SELF.LOCKING NUT10 x 1.25 mm 29 N m 13.0 kgf m, 22 lbf ftl
Replace.Hold the ball ioint pin using a hex wrench,
and taghten the self'locking nut.
LOWER ARMCheck fordamage.
FLANGE NUT l0 x 1.25 mm
29 N.m 13.0 kgI m,2.2 lbf ft)
Before tightening the {lange nut,position the ball joint Pinin the middle of its range of travel,
with the suspension under vehicle load
FLANGE BOLT14 x 1.5 mm89 N.m 19.1 kgf.m, 66 lbf.ft)
FLANGE BOLT10 x '1.25 mm43 N.m {4.4 kgf.m,32 tbtft)
DAMP€R FORKCheck lor damage.
DAMPER FORKRU88ER BUSHINGCheck for deterioration and damage.
4@lsrlrcoNE GREASE
SELF.LOCKING NUT12 x 1.25 mmReplace.64 N m 16.5 kgl.m, 47 lblft)
J
RANGE
18-9

Le
\.t
CONDITION FOR DETECTION
MANAGEI\,4ENT
FEFERTOPAGEDUNINGABS CONTFOLEXCEPTABS CONTAOL
19-60
19-62
The ABS indicator lighl cones on when vehicle is stopp€d and wheel sensor a given vohaqe does nol
19 64
The ABS indicaror comes on under th€lollowing conditions.When morethan one otwheels are a standstiland thelelocirv otthe fastest wheel reaches a
' fohen th. velocity of the faslesl wheel reaches or exceds a given sped, and it there ar€ somewh@lswhose velocity is slowe.lhan a cenain percenlage oi lh€ fast6t wheelsped for 3 given period. when rhere are lemporary open or short ctcuits ol rhe wheel sonsor' chipp€d pulser gear, orsrgnalorslJrbaaLe
19 64
The main relay repeats ON/OFF switching atalltimes.WhenthemainrelayisON,ashortt$tpulseissentloeachvalve lfthere s some dis'repa ncv, lheABS indicalor lightcomes on.. When rhe main relay is OFF, a shonl€sl pulse is s€nlto each valve lfth6 solenoid drive voltage rsout ol a qiven range, the ABS ndicalor lighl comes on19-66
'The pump nolot s activaled orc€ o' Mrce sfier every gn't'on sw'lch ON (ll) operarion whrle lte -^vchicle acLelerales lrenthemolorotivevo'taSersrhecled When lhevolla96 rs abnormar,lre Absindicaror llghl comes on.. Afte. ABS ;onl rol com pletion, the moror isswitched ofi 6nd the main CPU checks the molor dnvevoltase. when rhe vortase is abnormsl, the ABS indicato49!!!99!:l!:_-
19-68
D!rino an active motor lesl or AAS control,lhe main CPU checks ihe supplv voltage to the motor'whe;lhe vohage s abnofmal, the ABS indicator lightcomes on19,68
lirhe moror drvevoltage indicates molot operalion when the main cPU does notswilch the motoroN, rhe ABs indicaro. comes on19-64
. Wh"" " ".1"".1d ""1r. f"llure is detecred, the CPU checksth€ voltage ofthe main rel6v output lllhevohaqe is lowerthan 6 given vohage, theABS indicator light comes on. The ;ain r€lay repeats ON/OFF switching ar a!ltimss when the main rel.v is ofi, a shorl l6st pulse
is sent ro €ach valve. The CPU mon tors the reJer€nce vohage ll the vohage is out ot a g iven range'
the ABS indic.tor lightcomes on
19 71
wt'",, rt'e lgnitlon rottag" is ower or higherthan a given voltage,lhe CPU inhibils ABSlonlrolandswirches oli the ma in relaY, 6nd the ABS indicaror lig ht com€s on When the ig n ilion vohage recove'sto normal f6ng6, ABS inhibition is canceled.19.73
rimln CpU anO suU CeU ch€ck each other undercertain condnions. Whon rhe CPUS dstectthe fol'lowing discrepanaies, rhe ABS indicator light comss on. whe; rh€re is discGpancv n lhacarculated wheelspeed velocirv thar continuosJor more than a given
.i^/hen rhere is discrcoancv in the ehase informalion lhat continuesfor morerhan a given period' When rhere is discrepancY in thecalculared conlfol pa.amerer'. When thewatch dog conrrolp!lsetailslof a given penod. When th6 checkotth€ ROM tai1s.. when there is disrepancy inrhe data roading.nd wriung prcledurc ot RAM
19 7'l
tr
19-59

'99 - 00 Models
UNDER,HOOO FUSE/RELAY 8OX
PUSN SWITCH
lHce nvosrar F)- aLu neo(Wirh IVC)
DASH LIGHTS -/1BBTGNTNESS < l- FEoCONTROLLER -!
IGN TION SW TCHUNDEF DASHFUSElRELAY BOX
**,',,* **",@ ",.
@f
u,n,",,
ELUAVHT
I
YBLUi BtK
BLOWERMOTOR
ELOWERMOTORHIGHRELAY
PNK/BLK
FED''WHT
RED,YEL
GRY
BRN
YEL
YEL/FEO
6RNiYEL
8LU/!VHT
YEL/BLU
BRNfiHT
GFNM/HT
GRNi FED
O :8P CONNECTOR
! :20P CONNECTOF
E : 12P CONNECToR
BLUi BLK
1
tic
HEATER CONTROL PANEL
VENT
MOOEHEAT CONTFOLMOTOF- M.COMDEF
[[f&H,,4*,",,
BLK

t
BLI(BLU - ABS controlunit
r 96'9€ models: 99 modol: GRY (96-97 models: GRN (9&00 models
Rear window d8loloer swilch indicalo. l€ht
::: ) mirroa d€loQor r?Hrgn, Ma miror i;logger sYritch)
Miror dolog06r $ tdr indicalor lighl'2
191 ) oo*e, ri,,o, "qraor',hEn, ivra pow mircr sMdr
odional conna.ior 1lG2)
*2*3
REAR WINDOW DEFOGGER RELAY{Via Gar wndow deloggot sw ch)fro page 23-71 )
N0.42 (40A)FUSE(Frofir page 23.67)
WHTi BLK
t
lFusdrelay bor socl(el)WHT/BLK
I
V
fro page 23'70)
Ipag6 23-0o
. BLOWER MOTOR FELAY. CONDETISER FAN RETAY. ,VC COMPRESSORCLWCH RELAY. NAONTOR FAN RELAY0o pag€ 2368)
12)Heal€r conlrol Pan6l,ryC her|lDshlMode conlrol molorReorolalion conlol molorAow€r molor iEh aelay
YEUBLK -
YEUGRN -
:rl l^r A k/YF l -
B./"|YEL - Ctr|s€ conlrcl Jn (Via main swildr)
l- C'uEe ma'4 swildr 'ndicalot lEhlL Audio unil (K€y oss rece'ver drol4)
BLKryEL - Kevless door tock conlroi unit
UNDER.DASH FUSE/RELAY BOX
N0.16 (7.5A)
(To page 23'70)
No.l2 (7.5A)
N0.13 (15A)
N0.14 (7.54)
IGN TION SWITCH
BA1 ;.'
1 '.._ ACC
q, (/vrr - |.fi II ::: I mrcr mircr aqua|ol'r
F DAY'IME FUNNING LIGHISvELrtsLK -113> CONTFOL UN|T (Ceneda)t'- (f o We 23-71)
,F1J- ,n*,"',
'96-97 mod6ls
""j
'98-99 models
GRN -
GRN _
Rear window washer molof
Rear window wiper molor
Turn srgnal/hazard relay(Viaswilch)
PGM-Flmain relay
SRS unii (VA)
(cont'd)
23-69

J
UNDER HOOD FUSARELAY BOX
No 41 (80A) N0.42 (404)
GFNWHT
WHT/GFN
UNOEF,DASHFUSE/RELAY80x
SHIFT LOCKsoLENO|0(O,l : UNLoCK)
I
5
53 INTERLOCK CONTFOL IJNIT
BLK
I
G401G402
GRNAVI{I GR}.//WHT
rl
JI
VIBRAI(E LIGHIS IcRUrsE coNTROL UNIT IABS CONTROT, UNIT IrcM (cw) I
YEL
lr
rEt
till
l'YEUBLK
M GEARPOStT|ONINDICATOF
f7
I
] SENSOR
f7
IRED/BLK
WHT/BLK
II
t,/P1 ennr
Vl$"ilT?l*r e,."o rlr I PUsh bdon frsn€o I| Inpos on B )BLK
II
I:
G401G402
KEY llTNTEnLOCK | |swrTcH I I
KEY INTERLOCK CIRCUIT
GFNWHT
POSTTTONswlTcH(Clos€d : In posilioa lll )
23-145