1998 ACURA INTEGRA Service Repair Manual

Troubleshooting
SRS Indicator Light Wire Connections
SRS Indicator Light Power Circuit
To UNDER-DASHFUSE/RELAY BOX2OP CONNECTOB
SRS Indicator Light Control Circuit
To SBS UNIT
iI
SRS MAIN HABNESS
C55'1, C557 : WIRE SIDE OF FEMALE TERMINALS
DASHBOARD WIRE HARNESS
MAIN WIRE HARNESS
C557 -+ To GAUGE ASSEMBLY
CiP7, C449 : TERMINAL SIDE OF MALE TERMINALSC553, CEo1. C802, C804: WIBE SIDE OF FEMALE TEFMINALS
DASHBOAND WIREHARNESS
To UNOEF-DASHFUSE/RELAY BOX2P CONNECTOR
C427 : MAIN WIRE HARNESS 3P CONNECTORC/r49 : MAIN WIBE HARNESS 16P CONNECTORC551 : DASHSOARD WIRE HARNESS 2Op CONNECTORC553 : DASHBOARD WIFE HARNESS t6P CONNECTORCssT : OASHBOARD WlnE HABNESS SP CONNECTOB
To GAUGE ASSEMBLY
C801 : SRS MAIN HARNESS 2P CONNECTOBC802 : SRS MAIN HARNESS 3P CONNECTORC804: SRS MAIN HAFNESS 18P CONNECTOR
BLU

The SRS Indicator Light Doesnt Come On
CAUTION: Whenever the ignition switch is ON (lll, ol
has been turned OFF tor lsss than three minutes. be
careful not to bump the SRS unit; the airbags could
accidentslly deploy and cause damage or iniuries.
Chcck tho power supply lfuso):Turn the ignition switch ON (ll), and check whether the other
indicator lights come on or not (brake system, etc.).
Do tho oth6J indicator ligh$ come on?
NO'ES
Check ths tuse:Check the No. 25 (7.5 Ai fuse in the under dash fuse/relayho!
ls th. tu.o OK?
YESNO
Chsck the bulb:Replace the No. 25 17.5 A) fuse, and check that the
SRS indicator light comes on.
Doos tho SRS indic.lor light como on?
YES
END
Ch.ck th6 wir€ ham€ls b€twoen fu3e snd gauge .3sembly:
Check for an open in the wire harness belween tuse
No. 25 (7.5 A) and the gauge sssembly, and repair. Check
that the sRS indicator light comes on.
Doo3 the SRS indicator light come on?
YES
NO
NO
END
Ch6ck tho SRS indicator light bulb:
1. Turn the ignition switch OFF.2. Remove the gauge assemblY3. Check tor blown SRS indicator light bulb.
b tho sRs indicrlor light bulb oK?
YESNO
Check tho SRS indicator ligln circuit:ReDlace the bulb, and reconnect the gauge assembly
connectors. Then turn the ignition switch ON (ll).
Do.s tho SRS indicrtor light comG on?
I vrs NoII
END
No. 25 lt.5 Al FUSE
{A)fo page 23-294
(B)
10 page 23-294(cont'd)

Troubleshooting
The SRS Indicator Light Doesnt Come On (cont'd)
From page 23-293
(B)
Ch.cl th. SRS indicator light circuit:1. Disconnect the dashboard wire harness 5P connector fromthe gauge assembly.2. Connect a voltmeter belween the No. 5 terminal (+) ofthe 5P connoctor and ground.3. Turn the ignition switch ON {ll}, and measure voltage.
ls the.e 8.5 V or less for six 3econd! rflor lho ignitionswitch h.s be6n turned ON llll?
YESNO
Faulty SRS indicstor light circuit in ihe gtugoassembly; r€pl.co tho SRS printed circuit board inthe gaug. assembly.
Check the wiro ham.ss of tho SRS indicltor light circuh ll l:1. Turn the ignition switch OFF.2. Disconnect the main wire harn€ss 16P connector lromthe dashboard wire harness.3. Connect a voltmeter betlveen the No. 15 torminal {+) ofthe main wire harness 16P connector and ground.4. Turn the ignition ON (ll), and measure voltage.
13 there 8,5 V or lc.r tor 3lx s.condr lftor th. ignitionswitch h.3 boon tuJnod ON llll?
Short to powor In th. BLU wiro ot ths d$hbolrd whahrmess; ropair the hsmo*1.
To pag€ 23-295
DASHBOARD WINE HAR ESS16P CONNECTOR
MAIN WIRE HARI{ESS16P CONNECTOR
From page 23-293
DASHBOAND VUIRC HARNESS5P CONNECTOB
DASHBOARD WIRE HARI{ESS5P CONNECTOR
23-294

Chocktho wire h.mcas ol thc SRS Indicrtor light clrcuh l2):1. Turn the ignition switch OFF.2. Disconnect the SRS main harn€ss 3P connoctor from the
main wire harness.3. Connect a voltmeter between the No. '1 terminal {+)oltheSRS main harness 3P connector and ground,1. Turn the ignhion switch ON {ll), and measure voltag€
Ir th.rc 8.5 V or 16 toa aar t cord! tftcr rh. ignhion twitch
Shon to pow.r in th. BLU wi.o of lh. m.ln wir. h.r'
MAIN WIRE HAFNESS3P CONNECTOR
SAS MAIN HARNESSt @aa-cTof,
SRa m t{ ruE3P OOt{tCClc
)
c&
Wire sid6 of lemrla tarminaL
n00m.l I
Ch€ck lh. wir. h.rn.r. of thc SRS indic.tor circuit l3l:
1. Tlrn the ignition switch OFF.2. Oisconnoct the b8ttery negativ€ cable, then the positivo
cable, and wait throe ftinutes.
3. Disconnect the driver's airbag and front passenger's
airbag connectors (see page 23-285t'
4. Disconnect the SRS main harness 18P connector trom tho
SRS unit.5. Fsconnect the battery Dositivo cable, th€n reconnect th€
negative cable.6. Connect a voltmeter bettve€n the No. 6 terminal (+) of
th6 SRS main harness 18P connector and ground.
7. Turn the ignition switch ON (ll), and moasuro voltage.
Th€r6 should be 0.5 V or less
lr voltlsr .3 !9.cifi.d?
YESNO
F.ulty SRS unit; .cplrct th. unh {... prg. 23'326).
Shon to powe. in the SRS mrin hrtne*t taplrc.lha hmaat.
SRS UJ{'T
Wke side of temale terminals
23-295

Troubleshooting
The SRS Indicator Light Doesnt Go Off
CAUTIOi{: Whenever the ignition switch is ON (ll). or
h.s bGGn turned OFF for less than three minutes. be
crrclul noi to bump the SRS unit; the airbags could
lcci{tcntrlly deploy and cause damage or iniuries.
(A)
1o page 23-297
Try to reproduce the SRS indic.tor l;ght;l. Erase the DTC memory (see page 23-289).2. Turn the ignition switch ON (ll), and check that the SRSandicator light comes on lor about six seconds and thenooes off,
Ooes the SRS indicetor light stay on?
NOYES
Intermittc t failu.e, sydem is OK dt this time. Sec Troublo-shooting lntermitteirt Failuros on p.qe 23-28!1.
Check tho No. 23 {10 A) fuse:1. Turn the ignition switch OFF-2. Check for blown No. 23 110 A) fuse in the unde.dashfuse/relay box.
ls the luse OK?
YESNO
Roplsce the f!se, and eresc the memory1. Replace the No. 23 (10 Alfuse.2. Erase the DTC memory (see page 23-289).3. Turn the ignition switch ON (ll).
Does th6 SRS indicator light go off after rix socond6?
I YEs No
I
ENO
Contilm the DTC, and continuo troubleshooting.
Check tor an open in ths SRS main hlrna3r (VB tinc):1- Disconnect the battery negative cable. thon disconnectthe positive cable, and wait tor three mrnures.2. Disconnect the driver's and front passenger's airbag con-nector (see page 23 285).3. Disconnect the SRS main harness 18P connector fromthe SRS unit.a. Reconnect the battery positive cable, then reconnect thenegative cable.5. Connect a voltmeter between the No. 3 terminal (+) otthe SRS main harness 18P connector and ground.6. Turn the ignition switch ON {ll).
ls th.re bettery vohaqe?
YES
Open in th. SRS msin h.rness (VB linc); roptrca tha
NO
No.23110 Al FUSEUNOER.DASHFUSE/RELAY AOX
SRS UNIT
SRS MAIN HARI{ESS 18P COI{I{ECTOR

Chcck tho SRS unh:Connect the SRS main harness 18P connector terminals No.6 and No. 3 with a jumper wire and backprobe adapters.
Oos6 th6 SRS indicator liqhi so offl
YESNO
Faulty SRS unit or poor contact at the SRS main hamoi318P connector; check lhe connactor.Ittho connector i3 OX, replaco the SRS unit.
Did fuse No.23 {10 Al blow?
YESNO
(B)
To page 23-298
Chock tor a short to ground in thc SRS indic.tor light ci.-cuit:1. Turn the ignition switch OFF.2. Disconnect the dashboard wire harness 5P connectorfrom the gauge assembly.3. Check resistance between the No. 5 terminal of the dash-board wire harness 5P connector and ground. Thereshould be 1 MO or more.
ls the resistance as apocifiad?
YESNO
{c)To page 23-299
Short to ground in tho gauga aatambly; raplace tho gaugeasscmblY.
From page 23-296(A)
SRS MAIN HARNESS 18P CONNECTOR
JUMPER WIRE
)
oasrSoAno unRE HARt{Ess5P @ilFCTOn
GAUGE ASSEMBLY
DASHAOARD WIBE HARNESS5P CONNECTOR
ffiv;1"u*---.--a
] sru
O wire side of female
I terminals
)(cont'd)
UNITsRs
Wire side of female lerminals
f,t
r
23-297

Troubleshooting
The SRS Indicator Light Doesn't Go Off (cont'd)
From pags 23-297(8)
ch.ct tha SRS indicrtor circuit:1. Turn tho ignition switch OFF.2- Remove the gauge assembly. Do not disconnoct thedashboard wire harnosg 5P connector from the gaugg
assemblY.3. Turn the ignitjon switch ON {ll).4. Connect the dashboard wire hrrng6a 5P connector torminals No. I and No.5 with a iumoerwire.
Doe3 th. SRS indicator lisht go otf|
NOYES
Faulty SRS indic.tor light circuh in th. g.ug. r*t mbly;raplroe th. SRS prini.d ciJcuit bolrd in th. g.ug.
9$emblY.
ch.ck loi .n op.n in th. SRS indicltor ligl|t circuh:1. Turn the ignition switch OFF,2, Disconn€ct the dashboard wire harnoss 5P connectorfrom th6 gauge assembly.3. Check resistanco between ths No. 6 t€rminal ot the SRSmain harneas 18P conngctor and No. 5 terminal of th6dashboard wire harness 5P connector; there should bs0-1.00.
lr tha raaidanca aa lpacifiad?
YESNO
(D)
To page 23-300
(E)
To page 23-300
DASHBOARD WIRE HARNESS5P COt{t{ECTOR
SRS MAIT{ HARNESSt8P CON ECTOR
OASHBOARD WIRE HARI{ESS5P COI{NECTOR
OASHBOABD WIRE HARNESS5P CONNECTOR
rt#z;trxistL,iry
lYEr lBruWir6 sido oI fomaleJUMPER W|RE terminals
GAUGE ASSEMBLY
W 6 side of lemale terminals
23-298

)From page 23-297(c)MAIN w|RE HARNESS lEP CONNECTOR
HARNESS
MAII{ WINE HABTESS16P COt{ItECTOR
16P CONNECTOR
C,!r9
lo'
O T6rrninalside ot matc
I rermrnEts
3P CONNECTOR
SRS MAIN HARNESS3P CONNECTOR
(cont'd)
Chack for a 3hort to ground in tha main wira harnr$:1. Disconn€ct the dashboard wire harness .l6p connectorfrom the main wire ha.ngss.2. Chock for continuity between the No. t5 terminal ot themain wiro harness 16P conngctor and ground. Therethould b€ 1 M0 or more.
L tha rcrbianca ra apacifiad?
YESNO
Short to groond in th6 d8hboard wirc hrJn.3!; ropairth. d!.hborrd wir. h.ma.!.
Chacl lor a rhort to ground in tha SRS main h!]no3s:1. Disconnect th6 SRS main harness 3p connector lrom themain wir€ harness.2. Chock resistance betwoen the No. I terminal of the SRSmain harngss 3P connoctor and ground. There should be1 M0 or more.
l! tho raainanca ar apacifiad?
YESNO
Short to g.ound in dta main wil. h!m6a; raprir tha mainwira hamas.
Shon to ground in tho SRS mlin wira hlrna*t rcplaca thcSRS mlin harnas.
2567
92'5 6
)
MAIN WIRE HAFNESS3P COI{I{ECYOR
)
Wire side ot lemale torminals
23-299