1999 HONDA CIVIC Dash

Troubleshooting
!DTC 1-4
CAUTION: Whenever ths ignition 3wiich is ON {lll, or
has boen turned OFF tor loss than three minutes, bs
caroful not to bump the SRS unit; the airbagls) could
accidoDtally deploy and cause damage or iniulies.
07SAZ - TB,()11A(2 0 JACKI
CABLEREEL2P CONNECTOR
07TAZ - Szsol'lA
24-46
DRIVER'S AIRBAG
CABLE REEL2P CONNECTOR
Try to roproduc. the SRS indic.lor lightr1. Erase the DTC memory (see page 24-15).2. Turn the ignition switch ON (ll), and check that the SRS indi-cator light comes on tor about six seconds and goes off.
Ooes th6 SRS indicltor liqht stey on?
YESNO
Intermitid{ failure, 3y3tem b OK at this time. S€e Troublo-shooting Intormittont Failurss on pago 24.15.
Check for a 3hort to powo. in the d.iver's .irbag inflator:1. Turn the ignition switch OFF.2. Disconnect the baftery negative cable, then disconnectthe positive cable, and wait for three minut6s.3. Disconnect the driver's airbag 2P connector from thecable reel 2P connector.CAUTION: Do not disconnoct the parsengcr'r airbagconnactoa.4. Connect the SRS service connector (2 O) to the cable reel2P connector.5. Reconnect the battery positive cable, then reconnect thenegative cable.6. Erasethe DTC memory (see page 24-15).7. Read th6 DTC {seo page 24-13},
ls OTC 1-4 indic.tedT
YESNO
Short to pow.r in the driver'i rirbrg inilrtor; r€pl.cothe driver'! airbag l!e. paga 24-67).
Check for a ahort to Dow€r in tha crblo.eet:1. Disconnect the battery negative cabl€, then disconnectthe positive cable, and wait for three mrnur€s.2. Disconnect the special tool (2 O) trom the cable reel 2Pcononector.3. Bemove the dashboard lower cover, and disconnect thecable reel 2P connector trom th€ SRS main harness.4. Connect the special tool 12 0) to the SRS main harness2P connector. (cont'd)
fo page 24-47
SRS MAIN HABNESS
t2 0 JACK)

Troubleshooting
DTC 1-5
CAUTION: Whenever the ignition switch is ON {ll). or
has been turned OFF for less than three minutes, be
caretul not to bump ths SRS unit; the airbag(sl could
accidentally deploy and cause damage or iniuries.
J
DRIVER'S AIRBAG2P CONNECTOR
SRS MAIN HARNESS2P CONNECTOR
DRIVER'S AIRBAGASSEMBLY
REEL
07sAz - TB40't1A(2 0 JACK)
2P CONNECTOR
AZ - SZ5011A
CABLEREEL2P CONNECTOR
I
07TAZ - SZ5011A
Try to rep.oduce the SRS indicator light:1. Erasethe DTC memorv (See page 24'15).2. Turn the ignition switch ON (ll), and check that the SRS indicator light comes on tor about six seconds and goes off.
Ooes the SRS indicator light stay onl
YESNO
Intermittent lailure, system is OK at this time. See Trouble-shooting lntormittent Failure3 on page 24-15.
Check for a short to ground in lh€ driver's airbag inllator:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three rninutes.3. Disconnect the driver's airbag 2P connector from thecable reel 2P connector.CAUTION: Do not disconnect tho p.ssenger's airbagconnectoa.4. Connect the specialtool (2 0)to the cable reel 2P connector.5. Reconnect the batlery positive cable, then reconnect thenegative cable-6. Erase the DTC memory (see page 24-15).7. Read the DTC (see page 24-131.
ls OTC 1-5 indicatedT
YESNO
Short to ground in the drive/s airbeg inflator; r€pl.ce thedriver's.iib.g (see page 24d1.
Check lor a short to ground in the csble reer:l. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the special tool {2 (}) from the cable reel 2P
3. Remove the dashboard lower cover, and disconnect thecable reel 2P connector from the SRS main harness.4. Connect the Special tool {2 0} to the SRS main harness2P connector (cont'd).
To page 24-49
{2 0 JACK)
24-44
.I

Troubleshooting
DTC 9-2
CAUTION: Whenever the ignition switch is ON 0l), ofhas been turned OFF lor lass than three minutes, becareful not to bump the SRS unit; the airbag(s) couldaccidentally deploy lnd caqse damage or iniuries.
Check the tu.c:1. Turn the ignition switch OFF.2. Check for blown No. 23 (10 A) fuse in the under,dashfuse/relay box.
Replace the tuse. Turn the ignition switch ON lll) , and checkthat the fuse doesn't blow.
Th6 problem hs3 disappe.rod, TGt-dJiv€ the vehiclo and3ee Troublerhooting Intermiftcnt Failuro3 on paqo 2l-15.
Check tol short to ground betwe.n tho unde.-da3h fus./r.ley box and the SRS unit.1. Turn the ignition switch OFF.2. Disconnect the baftery negative cable, then disconnectthe positive cable, and waittorthree minutes.3. Disconnect the driver's (and front passenger,s) airbagconnector(s) (see page 24-11).4. Disconnect the SRS main harness 1gp connector fromthe sRs unit.5. Check resistance between the No. 3 terminal of the SRSmarn harness 18P connector and ground,There should be 1 MO or more.
Feufty SRS unh; rcphce the SRS unit lsee pag.2+761.
(A)To page 24-65
To page 24-65
No. 23 lr0 Al FUSEFUSE/RELAY BOX
!
SRS MAIN HARNESS18P CONNECTORSRS UN'T
24-64
I
SRS MAIN HARNESS 18P CONNECTOR
Otf

)
FUSE/BELAY BOX
Chcck for an op€n in th6 SRS main harness:
1. Turn the ignition switch OFF.
2. Disconne;t the battery negative cable, then disconnect
the positive cable, and wait for three minutes'
3. Disconnect tho driver's (and front passenger's) airbag
connector (see Page 24'11).
4. Disconnect the SRS main harness 18P connector from
the SRS unit
5. Reconnect the battery positive cable, then reconnect the
neoative cable.
6. Co-nnect a voltmeter betlveen the No 3 terminal ol the
SFS main harness 18P connector and ground'
7. Turn theswitch ON (ll), and m€asure
(cont'd)
(B) from page 24-64
Check tor ahort to ground in the SRS main harn$s:
1. Disconnect the SRS main harness 2P connector from the
under-dash fuse/relaY box.
2. Check resistance between the No. 3 terminal of the SRS
main harness 18P connector and ground There should
be 1.0 M0 or more.
ls the re3istance a3 specified? -
NOYES
Short to giound in tho undot-drlh lut'/rol'y box;
replace the undel-da3h fusgtgEl!9l--------.-
Short to ground in tho SRS m.in harn$s; ropleco the SRS
main harness.
(AlFrom page 24'64
Poor contact at the SRS main harnoss 18P connoctor;
check lho connoctor.. ll the connector k OK, sub3titute r known'good SRS
unh. and recheck. lf the problom is slill present, lepl.ce the SRS main
To page 24-66
SRS MAIN HARNESS18P CONNECTOR
o0
24-65

Troubleshooting
DTC 9-2 (cont'dl
2- Disconnect the SRS rnain harness 2p connector lrom theunder-dash fuse/relay box.3- Check resistance between the No. 2 terminal of the SRSmain harness 2P connecior and No. 3 terminal of theSFS main harness 18P connector_
Poor contact at the SRS main ha.ness 2p connector;check the connecto... lf the connector is Ol(, sub3titute a known-good under-dash tuse/r€lay box, and recheck.'lt tho problem is still present, replece the SRS main
Open in the SBS main harness; replace the SRS main har_ness,
SRS MAIN HARNESS2P CONNECTOR
24-66
I
\
From page 24-65
Chock tor an open in th€ SRS main hern€ss:1. Turn the ignition switch OFF.
There should be 0 0.5 0
SRS MAIN
SRS MAIN HARNESS18P CONNECTOR
o!

Airbag
Replacement (cont'd)
Front Passenger's Side:
. Remove the three mounting nuts from the bracket,then remove the harngss clip.. Lift the front passenger's airbag out of the dashboardby covering the lid and dashboard with a cloth, andprying carefully with a flat-tip screwdflver.
NOTE: The lid of the airbag has pawls on its sidewhich attach it to the dashboard.
24-6a
CAUTION: B€ sure to inslall the SRS wiring so that it isnot pinched or interforirg with other parts.
4. Installthe new airbag(s):
Driver's Side: Place the driver,s airbag into the steeringwheel, and secure it with new Torx botrs.
TORX BOLTS9.E N.m (1,0 kgf.m, 7.2 tbt ftlReplace.
Front Pass€ngar's Side:
. Place the front passenger,s airbag into the dash-board.
. Tighten the front passenger,s airbag mounting nuts.
ANAAG MOUNTING NUTS9.8 N.m 11.0 kgf.m, 7.2lbf.frlReplace.
DRIVER'S AIRBAG

Gable Reel
Replacement
!@@ store a .emove airbag assambly with thepad surtace up. lf the airbag is improperly stored face
down, accidental deploymont could propel the unit withenough force to cause sorious iniury.
CAUTION:
. Alwsys disconnect the airbag connoctor(s) when ih€harness is disconngcted.
. Do not disassemble or tamper with the airbag.
NOTE: Carefully inspect the airbag assembly beforeinstalling it. Do not install an airbag that shows signs ofbeing dropped or improperly handled. such as dents,cracks or deformation.
l.Disconnect the battery negative cable. then discon-nect the positive cable from the battery, and wait atleast three minutes.
Remove the access panel from the steering wheel,then disconnect the 2P connector between the driv-er's airbag and cable reel.
NOTE: When disconnected, the airbag connector isautomatically shorted.
DRIVER'SAIRBAG
)
24-72
or
TORX EOLTSUse a Torx T30 bit.
DRIVEB'S DASHBOARD LOWER COVER
4.
Make sure the wheels are aligned straight ahead.
Remove the driver's dashboard lower cover.
5. Remove the two Torx bolts from the steering wheel,and disconnect the horn connector. Then removethe driver's airbag.
\

16. Install the steering wheel nut, and connect the horn
connector to the steering wheel. Then install the
driver's airbag.
TORX SOLTS9.8 N m 11.0 kgf m, 7.2 lbtftlReplace.Use a Torx T30 bit.
STEERING WHEEL NUT50 N.m 15.0 kgf.m,36lblft)Replace.
DRIVEB'SAIRBAG
DRIVER'S2P CONNECTOBHORN CONNECTOB
I
17.Attach the cable reel 2P and 3P connector to the con-
nector holder. Then install the driver's dashboard
lower cover.
)UDRIVER'S DASHBOARD LOWER COVER
24-75
18. Reconnect the driver's airbag 2P connector to the
cable reel 2P connector. and reinstall the accesspanel on the steering wheel.
19. Reconnect the battery positive cable, then the nega-
tive cable.
20. After installing the cable reel, confirm proper sys-
tem operation:
Turn the ignition switch ON (ll); the SRS indica-
tor light should come on for about six seconds
and then go off.
Make sure both horn buttons work.
Make sure the headlight and wiper switches
Go for a test drive, and make sure the cruise con
trol switches work.
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