1999 HONDA CIVIC 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

Troubleshooting
The SRS Indicator Light Doesn't Go Off -'98 - 00 Models (cont'dl
From page 24 36(D)
Check the SRS indicetor circuit input voltage:1. Reconnect the SRS main harness l8P connector to theSRS unit.2. Connect a voltmeter between the No. 1 terminal (+) ofthe dashboard 5P connector and ground.3. Turn the ignition switch ON (ll), wait for six seconds,then measure voltage,
ls th€re 8.5 V or more?
YESNO
The problem has disapp€ared due to di3connecting andconneding the connectors. Be su.e all te.minals makegood contact, and recheck the system {see T.ouble-shooting Inte.miftent Failures on page 24-15).
Poor contact et the SRS main harnass 18p connactori checkthe connector,. ll the connector is OK, substitute a known-good SRS unit,and recheck.' It the problem is still present, replace the SRS main haFness.
From page 24-36
Check for an open in the dashboard wir6 harness:1. Disconnect the main wire harness 24P connector fromthe dashboard wire harness.2. Check resistance between the No. 6 terminal of the SRSmain harness 18P connector and No. 5 terminal of the mainwire harness 24P connector; there should be 0 - 1.0 0.
ls the resistance as 3pecitied?
YESNO
Open in the BLU wire ot the dashboard wire harness;repair the dashboard wire harness.
Check tor an open in the main wire haanoss:1. Disconnect the SRS main harness 3P connector from themain wire harness.2. Check resistance between the No. 6 termanal of the SRSmain harness 18P connector and No. 1 terminal of the SRSmain harness 3P connector; there sho!ld be O - l.O 0.
ls the resistance a! specified?
YESNO
Open in the BLU wire of the m.in wire ha.ness: .eoairthe main wire harness.
Open in the SFS main hrrness; replace the SRS main har-ness.
DASHBOARD WIRE HARNESS5P CONNECTOR
c508
Terminal side of male lerminals
SRS MAIN HARNESS18P CONNECTOR
c807
c41 l
SRS MAIN HARNESS18P CONNECTOR
cao2
SRS MAIN HARNESS3P CONNECTOR
24-38
\
DASHBOARD WIRE HARNESS

)
From page 24-40
Check for an open in the SRS main harn6s:
1. Turn the ignition switch OFF.
2. Disconnect the SRS main harness 2P connector from the
under-dash fuse/relay box
3. Check resistance between the No. 1 terminal ol the SRS
main harness 2P connector and No. 7 terminal of the
SRS main harness 18P connector.
Thereshouldbe0 05O
ls the resistance es specitied?
YES
Poor contact at the SRS main hatness 2P connector;
check the connector-. It the connector i3 OK, substitute a known-good und€r-
dash fuse/relav box, and recheck..ll the Droblem i5 still pres€nt, replace lhe SRS main
harness.
NO
Open in the SRS main hsrness; leplaco the SRS main har-
ness.
)
FUSE/RELAY BOX
SRS MAIN HARNESS18P CONNECTOR
c807
Wire side of femaleterminals
SRS MAIN HARNESS2P CONNECTOR
24-41
lrt

Troubleshooting
DTC 1-3
CAUTION: Whenever the ignition switch is ON {lll, orhas been turned OFF lor less than thrEe minutes, becaroful not to bump the SRS unit; the airbag(s) couldaccidenlally deploy and cause damage 01 iniuries.
DRIVER'S AIRBAGASSEMALY
REEL2P CONNECTOR
AZ - SZ5011A
07saz - TB4011A{2 0 JACK)
CABLEREEL2P CONNECTOR
07TAZ - SZ5011A
TrV to reproduce the SRS indicator light:1. Erase the DTC memory (see page 24-15).2. Turn the ignition switch ON (ll), and check that the SRS indicator light comes on for about six seconds and goes off.
Does the SRS indicalor light stav on?
YESNO
Intermittent lailure. system is OK ai this tim€. Se€ Troubl€-shooting Intermittent Failures on page 24-15.
Check tor a short lo another wire in the drivo.'s eirbrg in{la-
1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.3. Disconnect the driver's airbag 2P connector from thecable reel 2P connector,CAUTION: Do not disconnect the passenger's airb.gconnector,4. Connect the special tool (2 0)to the cable reel 2P connector,5. Reconnect the baftery positive cable, then reconnect thenegative cable,6. Erase the DTC memory (see page 24 15).7. Read the DTC (see page 24-13).
ls DTC 1-3 indicated?
NOYES
Shon in the driver's airbag intlator; replace the driv-er's airbag {see page 24-67}.
Check lor a short in the ceble reel:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the special tool (2 O) from the cable reel 2p
3. Remove the dashboard lower cover, and disconnect thecable reel 2P connector from the SRS marn naroess.4. Connect the special tool (2 O) to the SRS main harness2P coonector. {cont,di
fo page24-45
SRS MAIN HARNESS
24-44
07sAz - TBr011At2 0 JACKI

Troubleshooting
DTC 2-3 - With Front Passenger's Airbag
CAUTIONT Whanever ihe ignhion switch is ON lll), or
has been turnod OFF lor le33 than threo minutes. be
careful not to bump lhe SRS unit; ths airbags could
accidontally deploy lnd cause damage or inluries.
FRONT PASSENGER'SAIRBAG 2P CONNECTOR
- szsor la
{2 0 JACK)
Try to reproduce tho SRS indicator light:1. Erase the DTC memory (see page 24 15).2. Turn the ignition switch ON 1ll), and check that the SRS indi,cator light comes on for about six seconds and goes off.
Doe3 the SnS indicator light 3t.y on?
NOYES
Intermittort tailura, 3y3tem b OK at this time. S€e Trouble-shooting Intormittent Failuros on page 24-15.
Check tor a 3hort io another wire or dec.oasod relirtanct inth6 passonger's airbag inflato.:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe Dositive cable, and wait for three minutes.3. Disconnect the tront passenger's airbag 2P connectorfrom the SFS main harness (see page 24-11).4. Connect the special tool (2 O) to the SRS main harness2P connector.CAUTION: Do not disconn€ct th6 driver's airbag connec-tor.5. Reconnect the baftery positive cable, then .econnect thonegative cable.6. Erase the DTC memory {see page 24-15).7. Read the DTC (see page 24 13).
l. DTC 2.3 indicated?
YESNO
Short io another wiao or d€creased rcsi3tanc6 in the prs-3enger's airbag intlator; repl.ce the passong.r's .irbaglsee page 2467).
To page 24-53
24-52