1999 HONDA CIVIC fuse

Turn SignallHazard Flasher System
UNOER.DASHFUSE/RELAY 80X
No.12l7 5A)
Gircuit Diagram
UNDER.HOOD FUSE/RELAY 8OX
IJ
l*v
,'|,."J,-(NOt
GRN/YEL
t,
I'RED
I
I
I
II
J
DASH LJGIlTSBRIGHTNESSCONTROLLER
q
BLK

Turn SignallHazard Flasher System
1.
Turn Signal/Hazard Relay Input Test
SRS components are located in this area. Review the
SRS component locations, precautions, and procedures
in the SRS section {24} before performing repairs or ser-
vice.
Remove the turn signal/hazard relay from the under-
dash fuse/relay box.
Inspect the relay and fuse/relay box socket terminals
to be sure they are all making good contact.
. lf the terminals are bent, loose or corroded,
repair them as necessary, and recheck the system.
. lf the terminals look OK, make the following
input tests at the fuse/relay box socket.- lf any test indicates a problem, find and cor-
rect the cause, then recheck the system.- lf all the input tests prove OK, the turn signal/
hazard relay must be faulty; replace it.
Test: Desired results
FUSE/RELAY BOXSOCKET
Possible cause it result is not obtainedCavityTest condition
8Bffii
\_t-E rl.]l
| - lll
n'rl
,.ff T-'t:
Hazard warning switch
ON; connect the No. 1
terminal to the No.3
rermtnat.
Hazard lights should come on.Poor ground \G201, G202, G401,
G402, Gs51, G552, G601, G761)
Faulty hazard warning switch
An open in the wire
lgnition switch ON (ll) and
turn signal switch in right
or left; connect the No. 1
terminal to the No. 3
terminal.
Right or left turn signal lights should
come on.
. Faulty turn signal switch
2Under allconditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401, G402). An open in the wire
3
lgnition switch ON (ll)Connect for voltage to ground:
There should be battery voltage.
Blown No. '12 (7.5 A) fuse in the
under-dash fuse/relay box
Faulty hazard warning switch
An open in the wire
Hazard warning switch ONConnect for voltage to ground:
There should be battery voltage.
Blown No. 53 (10 A) fuse in the under-
hood fuse/relay box
Faulty hazard warning switch
An open in the wire
23-174

Back-up Lights
Circuit Diagram
]GN TIONSWITCH
*HT/BLK +*HT*;L BLKTYEI-"--""\-z-
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fTil"liUiEEs,x','
YEURED
fr
l$*,'l
YEL
l^ .0.,. ,,
rb !'fi+l'
Y(ifi'frr-')
I
tcroseo' n rosrron El
GRNi BLKq-,
UNOER HOOD FUSE/RELAY BOX
23-177

Brake Lights
WNT/GRN
Circuit Diagram
UNDEH HOODFUSEiRELAYBOXBATTERY/-l I No s2 (1sA) |
u/T'\--]-wHrGFNTwfciN_l
tvHORN SYSTEM
INNERTAILL]GHT
GRNMHT
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AE-'ii,t
Yut#l
IBLK
ffi; I
I l,"l
I I''i
Li;
GRN,4fiHT
l**,,,,I P } BRAKE
Y ilT'
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IgLK
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I:
flatchbackCoupe/SedanSedan 99 mode
ffi; I
i $*i
iri
Li*'']
GRNMHT
I
A b'rt^t-,
Yllf,ll
IBLK
BLK
I
I
I
G601 r Halchback/Coupe/Sedan
BLK
II
II
I
G601 : Haldbackiooup€/Sedan G761 :G601 :G602 :
+ 21W :Coup€/Sedan18W :HalchbackJ I : Wilh cruise control
23-178

Dash Lights Brightness Controller
UNDEF.DASHFUSEi RELAY 8OX
|-;il;I-l-*-Tl
I
IREDi 8LK
cotvBiNATloNLIGHT SW]TCH
Circuit Diagram
,4.wHT -tlf- RED/GBN
UNDEF HOOD FUSE/RELAY BOX
23-180
G401G402

Controller Input test
NOTEr The control unit is built into the dash lights bright-
ness controller.
'1. Carefully pry the controller out of the dashboard.
2. Disconnect the 3P connector from the controller'
3. Inspect the connector terminals to be sure they are
all making good contact.
. lf the terminals are bent, loose, or corroded, repair
them as necessary, and recheck the system.
. lf the terminals look OK, make the following input
tests at the connector.- lf any test indicates a problem, find and cor-
rect the cause, then recheck the system.
- lf all the input tests prove OK, the controller
must be faulty; replace it
Cavity
Wire side of
lemale termlnals
Test condition Test Desited resultsPossible cause if rgsult is not obtainGd
1RE D/B LK
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 Iuse/relay box
Faulty combination light switch
An open in the wire
2BLKUnder all conditionsCheck for continuity to ground:
There should be continuity.
. Poor ground (G401, G402)
. An open in the wire
RED
Combination light
switch ON
Connect to ground:
Dash Iights should come on full
bright.
. An open in the wire
23-181

Circuit Diagram (Without Spotlightsl
BLUiBLK
I
I
l,**
I
l3g"
| ,J.,
ll
ISLUlBLK
A
Jiuir,
l[3Fff' Iflri:B::, ]
BLK
I
G601. G76l HalchbackG601 CoupeiSedan
3.4W . USA . Canada ProdLrced
5W W lhoui moonrool
q-
LT GRN/ RED LT GRN/RED
AA
Y;'.'; Y,"^t'
13fi?s" 13fi?'1"
|
3;::" B::::r".
1,3,;;:'
8::':tl"l
.Ll
GRNiRED
DOORSWTCH
FRONTPASSENGERS
folosed : Door open )(Open ' Door cosed -l
UNDEF HOOD FUSE]FELAY BOX
ON OFF
|l Fr+
| -r--
l:'iil:
LT GFN/REO
23-183

Interior Lights
Circuit Diagram (With Spotlights)
SPOT.LGHTS
2
LT GRNlRED
t_:kr
(Wilh key ess enlry syslem)
t-t
-
, LTGRN/BLKKEYLESS RECEIVERCIBCUIT(ln the aLid o unil)
A
Y""I REARI DooF
t;:x::
| | 333i"
GBN L
A
Ttp;:'
Itsl";g;" I
I3331."..,J:
FFONTPASSENGERSDOORSWITCH
ictoseo : 'l
I Door openI Open :L Door closed _J
x I 3.4W :tiSA, Canada produced5W Japan produced*2 8w W lh moofroot5W Wlho!lmoonroof
23-144
UNDEB HOOD FUSEi RELAY BOX
LTGRN/RED
WHT/REDWHT/RED
r*r
I T 1,,'-1
'F!
I
I8LU/8LK
I
I
| *ttt-
| ,Y.
IBLUlBLK
A
Yiri'n
It3f.r'+m:r:r,lBLK
{
G601 G761 rHalchbac(G601 Coupe/Sedan
LTGRN/RED