1999 HONDA CIVIC dashboard wire harness

SRS Indicator Light Wire Connections
SRS Indicator Light Power Circuit
DASHBOARD WIRE HARNESS
To UNDER-DASHFUSE/RELAY BOX -
20P CONNECTOR
SRS Indicato. Light Control Circuit
To SRS UNIT
tI
SRS MAIN HARNESS
C41 1, C412 : Terminal sido of mdlo t6rminalsC501, C5O2, C508, C801. C802, C807 : Wi.6 sidc of fomalo t.rminals
MAIN WIBE HARNESS
BLU
C508 -+ To GAUGE ASSEMBLY
c41 1
To GAUGE ASSEMBLY
at
C501 : DASHBOARDWIRE HARNESS 2oP CONNECTORC508 : DASHBOARD wlRE HARNESS 5P CONNECTORC801 : SRS MAIN HARNESS 2P CONNECTORC807 : SRS MAIN HARNESS 18P CONNECTOR
C802 : SRS MAIN HARNESS 3P CONNECTORC412 : MAIN WIRE HARNESS 3P CONNECTORC41 1 : MAIN WIRE HARNESS 24P CONNECTORC502 : DASHBOARD WIRE HARNESS 24P CONNECTOR
GRY
OI
24-25

)
From page 24-26
(A)
From page 24-26
(B)DASHBOARD WIRE HARNESS
5P CONNECTOR
It
MAIN WIRE HARNESS2,rP CONNECTOR
DASHAOARD WIREHARNESS 2irPCONNECTOR
c41 1
(cont'd)
24-27
check the sRs indicator light circuit:1. Disconnect the dashboard wire harness 5P connector
from the gauge assembly.2. Connect a voltmeter between the No. 1 terminal (+) of
the 5P connector and ground.
3. T!rn the ignition switch ON 1ll), and meas!re voltage.
ls there 8.5 V or loss lor six seconds atter the ignition
swilch has been turned ON {lll?
YESNO
Faulty SRS indicator light circuit in the gauge e$embly;
replace the SRS printed circuit boa.d in tho gauge
ass€mblY.
Check the wire harness otthe SRS indicator light circuil {1):'1. Turn the ignition switch OFF.2. Disconnect the main wire harness 24P connector from
the dashboard wire harness.
3. Connect a voltmeter between the No. 5 terminal {+) of
the main wire harness 24P connector and 9round4. Turn the ignition ON (ll), and measure voltage.
ls thore 8.5 V or lcss tor tix second3 .Itor the ignition
switch has b6en turned ON lll)?
YESNO
Short to oower in the BLU wire ol the dashboald wiroharness; rgpaii the ham€ss.
To page 24-28
ar

)
From page 24'30(B)
To page 24-33
5P CONNECTOF
mcsogA#
I Btu lYEtWire side of fomale
lUUpeA Wtng terminals
OASHBOARD WIRE HARNESS
It
Wire side ol femaletetmtnals
SRS MAIN HARNESSlAP CONNECTOR
(D)
To page 24'33
DASHBOARD WIRE HARNESS5P CONNECTOR
(cont'd)
DASHBOARD WINE HARNESS
Check th. SBS indicatot circuit:
1. Turn the ignition switch OFF.
2. Removo the gauge assembly.
NoTE: Do n;t disconnect the dashboard wire harness 5P
connsctor lrom the gauge assembly
3. Turn the ignition switch ON (ll).
4. Connect th€ dashboard wire harness 5P connector termi-
nals No. 1 and No.5with a jumperwiro.
Doo3th. SRS indicstor light go offf
Fautty SRS indicltot light citouit in th. grugc a$cmbly;
rcpl.ce the SRS ptint.d cilcuit boaJd in thc gtugs
b€ 1 MO or more.
Ch.ck tor a ihort to glound in th. SRS IndioltoJ light cir'
cuit:1. Turn the ignition switch OFF.
2. Disconnect the dashboard wire harness 5P connector
from the gauge assemblY
3. Check resistance between the No. 1 terminal of the dash
board wire harness 5P connector and ground. There should
Ch.ck to. an opon in tho SnS indic.tor light circuh:
1. Ch6ck resistanc€ between the No 6 terminal of the SRS
msin harness 18P connector and No. 'l terminal ot the
dashboard wire harness 5P connector; there should be
Wire side ot female terminals
24-31
or

Troubleshooting
The SRS Indicator Light Doesn't Go Off -'96 - 97 Models (cont'dl
From page 24-31
Ch6ck for a shon lo ground in tho m.in wire harness:1. Disconnect the dashboard wire harness 24P connectorfrom the main wire harness,2. Check resistance between the No. 5 terminal of the mainwire harness 24P connector and ground. There should be1 M0 or more.
Short to ground in the dashboard wire harness; repairthe dashbo..d wire harnoss.
SRS MAIN HARNESS3P CONNECTOR
Wire side oI femaleterminals
24-32
\
MAIN WIRE HARNESS
HARNESS
Check for a short to ground in the SRS main h..ness:1. Disconnect the SRS main harness 3P connector from themain wire harness,2. Check resistance between the No. 1 terminal of the SRSmain harness 3P connector and ground. There shorrld be1 fu,|0 or more.
ls the resistance as specifisd?
Short to ground in the main wire harnoas; r€pair themain wire harness.

)
From page 24-31(Dl
DASHBOARD WIBE HARNESS
5P CONNECTOR
Wire side of temaletermtnars
From page 24-31(El
lr
SRS MAIN HARNESS18P CONNECTOR
Check for an open in the dashboatd wir€ harness:
1. Disconnect the dashboard wire harness 24P connector
from the main wire harness.
2. Check resistance between the No. 6 terminal of the SRS
main harness 18P connector and No 5 terminal of the
main wire harness 24P connector; there should be
0- 1.0 0.
Ooen in tha BLU wire ot the dashboard wire harness;
the dashboard wiie harness.
MAIN WIRE HARNESS Terminal side ot male termlnals
24P CONNECTOR
SRS MAII{ HARI{ESSlaP CONI{ECTOR
SRS MAIN HARNESS3P CONNECTOR
Check lho SRS indicator Gircuit input voliage:
1. Reconnect the SRS main harness 18P connector lo the
SRS unit.2. Connect a voltmeter between the No. 1 terminal (+) of
the dashboard 5P connector and ground
3. Turn the ignition switch ON (ll), and measure
ls there 8.5 V or more six seconds after lhe ignilion switch
has been turned ON (lll?
The Droblem h.s disappe.red due to disconnecting antl
connecting the connectors. Be sure all lerminals mako
oood contact, and recheck the syslem lsoe
iroubleshooting Intermittent Failure3 on page 2{-151'
Poor contact at the SRS main h.rn6s 18P connector; ch'ck
lI the problem k still present, replace the SRS main har'
Check for an open in the main wire harness:
1. Disconnect the SRS main harness 3P connector from the
main wire harness.
2. Check resistance between the No 6 terminal of the SRS
main harness 18P connector and No 1 terminal of the
SRS main harness 3P connector; there should be 0 - 1 0 o
ls the resistance as sp€cilied?
ODen in the BLU wire of the main wire hamess; tepair
the main wire harness.
Ooen in the SRS main harness; replace lhe SRS main har
24-33
.L

)
From page 24-34(A)
SRS MAIN HARNESS I8P CONNECTOR
(B)
To page 24-36
1)
Wire sidg of lemale terminals
DASHBOARD WIRE HARNESS
5P CONNECTOR
ic)To page 21'31
DASHBOARD WIRE HARNESS
5P CONNECTOR
c508
t of lemale
(cont'd)
24-35
SRS MAIN HARNESS
Chock iho SRS unit:
Connect the SRS main harness 18P connector terminals No'
6 and No. 3 with a jumper wire and backprobe
Doos tho SRS indicator light go off?
Faulw SRS unit or poot co tact at the SRS ftain htmes!
18P connoctor; chack the connagtot.
ll tha connoctor b OK roplaca lho SRS unit'
oid tu3e No. 23 t10 A) blow?
Chcck for e short to ground in th. SRS indicator lighi cir-
cuh:1. Turn the ignition switch OFF
2. Disconneit the dashboard wire harness 5P connector
from the gauge assembly.
3. Check res-ista;ce between the No l terminai ofth€dash-
board wire harness 5P connector and ground There
should be '1 M0 or more.
Short to glound in th. gaugs aslomblY; .6plac' th' gtug'
JUMPEB WIRE
o!

Troubleshooting
The SRS Indicator Light Doesn't Go Off - '98 - 00 Models (cont,dl
From page 24 351B)
Check the SRS indicetor circuit:1. Turn the ignition switch OFF.2. Bemove the gauge assembly, Do not dlsconnect thedashboard wire harness 5P connector from the gaugeassemoly.3. Turn the ignition switch ON (ll)4. Connect the dashboard wire harness 5P connector termi-nals No. 1 and No. 5 with a jumper wire.
Does the SRS indicator light go om
YESNO
Faulty SRS indicator light circuit in the 9au96 assembly;replace the SRS printed circuit board in the gaugeessembly.
Check for an open in the SRS indicator light circuit:r. rurn rne rqnrton swrtch ut-t-.2. Disconnect the dashboard wire harness 5p connectorfrom the gauge assembly.3. Check resistance between the No. 6 terminal of the SBSmain harness 18P connector and No. I terminal of thedashboard wire harness 5P connector; there should be0 1.0 0.
ls the resistance as soecified?
NOYES
(D)
To page 24 38(E)To page 24-38DASHBOARD WIRE HARNESS5P CONNECTOR
OASHBOARD WIRE HAR'{ESS5P CONNECTOR
llTf;rv;1c508.1#
I Bru lYErWire side of femaleJUMpER WIRE rerminats
SRS MAIN HARi{ESSI8P CONNECTOR
c807
24-36
DASHBOAED WIRE HARNESS
Wire side of female terminals

)
From page 24-35(c)
DASHEOARD WIRE HARNESS24P CONNECTOR
DASHBOARD WIREHARNESS 24P CONNECTOR
BLU
l)
Wke side oI femaleterminals
MAIN WIBE HARNESS3P CONNECTOR
3P CONNECTOR
SRS MAIN HARNESS3P CONNECTOR
(cont'd)
MAIN WIRE HARNESS 24P CONNECTOR
Check lor a 3hort to glound in tho main wira harno$:
1. Disconnect the dashboard wire harness 24P connector
from the main wire harness.
2, Check resistance between the No 5 terminal ofthedash-
board wire harness 24P connector snd ground There
should be 1 M0 or more
Short to giound in tha dalhbo!]d wir! ha]n'$; t'plil
lho darhborrd wira hrrnos!.
Chock for ! shon to ground in tho SRS main herness:
1. Disconnect the SRS main harness 3P connector from the
main wire harness.2. Check resistanco botween the No. 1 terminal of the SRS
main harness 3P connector and ground, There shor,lld be
Short to ground in tha main wir6 hainoss; r'Prir the
Short to ground in thc SRS main harn6s; leplac' th' SRS
l1'
24-37