Page 1331 of 1395
Troubleshooting
The SRS Indicator Light Doesn't Come On
CAUTION: Whenever the ignition switch is ON D, orhas been turned OFF for less than three minutes, becareful not to bump the SRS unit; the airbags couldaccidentally deploy and cause damage or iniuries.
Ch6ck the power supply (fuse):Turn the ignition switch ON {ll), and check whether the otherindicator lights come on (brake system, e(c.r.
Do the other indicator liglrts com6 on?
Check the No. 25 (7.5 A) fuse in the under-dash tuse/relayDOX.
ls the tus€ oK?
NO
Check the bulb:Replace the No.25 (7.5 A) fuse, and check that theSRS indicator light comes on.
Does the SRS indicator liqht come on?
YESNO
END
YES
Check the wire h.rnesi kwe€n fus€.nd gauge .3sembly:Check for an open in the wire harness between fuseNo. 25 (7.5 Al and the gauge assembly, and repair. Checkthat lhe SRS indicato.lighi
Does the SRS indic.tor liqht com6 on?
END
YESNO
Check the SRS indicator light bulb:1. Turn the ignition switch OFF.2. Remove the gauge assembly.3. Check lor blown SRS indicator tight bulb.
ls the SRS indicator tight bulb OK?
YESNO
Check the SRS indicator light circuit:Replace the bulb, and reconnect the gauge assemblyconneclors. Then turn the ignition switch ON {ll).
Does the SRS indicator light come on?
I YEs No
:ND
(A) To page 24-35(B) To page 24 35
24-34
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Page 1333 of 1395
Troubleshooting
From page 24-35
Check lhe wire harness otthe SRS indicator light circuit l2l:L Turn the ignitjon switch OFF.2. Disconnect the SRS main harness 3p connector from themain wire harness.3. Connect a voltmeter between the No. I terminal (+) ofthe SRS main harness 3P connector and qround.4. Turn the ignition switch ON (ll), and measure voltaqe.
ls there 8.5 V o. less tor six seconds atter the ignitionswitch has been turned ON
Short to power in th€ BLU wire of the main wiro halno3s;
Check th€ wire hahess of th6 SRS indicator ci.cuit {31:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then the positivecable, and wait three minutes.3. Disconnect the driver's and front passenger,s airbag con-nectors {and disconnect the seat belt tensioner connectors}(see page 24-23).4. Disconnect the SRS main harness 18p connector from
5. Reconnect the battery positive cable, then reconnect thenegative cable.6. Connect a voltmeter between the No. 6 terminal (+) ofthe SRS main harness 'l8P connector and ground.7. Turn the ignition switch ON (ll), and measure voltage. Thereshould be 0.5 V or less.
Short to power in the BLU wire oI the SRS main harngas;
The SRS Indicator Light Doesn't Come On (cont,dl
'97 modol:
J
MAIN WIRE HARNESS3P CONNECTOR
UNDER.DASHFUSE/RELAY BOX
'98 - 00 models:
SRS MAIN HARN€SS3P CONNECTOR
MAIN WIRE HARNESS3P CONNECTOR
SRS MAIN HARNESS3P CONNECTOR
SRS MAIN HARNESS3P COI{NECTOB
FUSE/RELAY BOX
c803
SRS MAIN HARNESS18P CONNECTOR
24-36
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Page 1335 of 1395
Troubleshooting
The SRS Indicator Light Doesn't Go Off - '97 model (cont,d)
From page 24 37(A)
SRS MAIN HARNESS 18P CONNECTOR
(B)To page 24'39
DASHBOARD WIRE HARNESS5P CONNECTOR
(c)To page 24-40
DASHBOAND WIRE HARI{ESS5P CONNECTOR
)
J
c509
Wire side ol femaleterminals
T
Check the SRS unit:Connect the SRS main harness 18P connector terminals No.6 and No.7 with a jumper wire and backprobe
Faulty SRS unit or poo. contact at the SRS main ha.ness18P connectoi; check the connector.lfthe conneqtor is OK, replace the SRS unit.
Oid tuse No. 13 (15 Al blow?
Check for a short to ground in the SRS indicator tight cir-cutl:1. Turn the ignitlon switch oFF.2, Disconnect the dashboard wire harness 5p connectorfrom the gauge assembly.3. Check resistance between the No. 1 terminal ofthe dashboard wire harness 5P connector and ground. Thereshould be 1 MO or more.
Shon to ground in th6 gaugo assembly; replaco the gau96
JUMPER WIRE
Wlre sido ot tomale terminsls
243a
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Page 1337 of 1395
Troubleshooting
The SRS Indicator Light Doesnt Go Off -'97 model {cont'dl
From page 24-38
1C)
Check for a short to ground in tho main wire ha.n.3s:1. Disconnect the dashboard wire harngss 24p connectorfrom the main wire harness,2. Check resistance between the No. 5 terminal of the dash_board wire harness 24P connector and ground. Thereshould be 1 M0 or more.
Short to ground in tho deshbosrd wire harne.r; raD.irthe dashboard wiro harness.
Check tor a short to ground in tho SRS main hfina3!:1. Disconnect the SBS main harness 3p connector from themaan wire harness.2. Check resistance between the No. 1 terminal of the SRSmain harness 3P connector and ground. There should be1 MO or more.
Short to ground in tho main wire harnesr; ,opair th6main wire hamoss.
Short to ground in the SRS main hsrn6sa;.oplac. thc SRSmain harn6ss.
i,
MAIN WIREHARNESS 24P CONNECTOR
DASHBOARD WIRE HAff{ESS24P COi{NECTOR
OASHBOARD WIREHARNESS24P CONNECTOR
BLU
)
MAIN wlRE HARNESS3P CONNECTOB
SRS MAIN HARNESS3P CONNECTOR
UNDER.OASHFUSE/RELAY BOX
SRS MAII{ HARI{ESS3P CONNECTOR
cao3
)r
24-40
Wire side of femalet6rminals
-1
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Page 1339 of 1395
Troubleshooting
The SRS Indicator Light Doesnt Go Off - ,99 - 00 models
CAUTION: Whenever the ignition switch is ON {lll, orhas been turnod OFF for less than three minutes, becareful not to bump the SRS unit; the airbags couldaccidentally deploy and cause damage or iniuries.
T.y to reproduce the SRS indicator tight:1. Erase the DTC memory (see page 24-28).2. Turn the ignition switch ON { }, and check that the SRSindicator light comes on for about six seconds and thengoes off.
Does the SRS indicator tight stey on?
NOYES
Intermittent failure, system b OK at this time. 56€ Trouble-shooting Inle.mittent Failures on page 24-2g.
Check the No. 23 (10 Alfuse:1. Turn the ignition switch OFF.2. Check for blown No. 23 flO A) fuse in the under dashluse/relay box.
ls the fuse OK?
YESNO
Repl.ce the tuse, and erase the memory1. Beplace the No. 23 (10 Ai fuse.2. Erase the DTC memory (see page 24-28).3. Turn the ignition switch ON flt).Does the SRS indicator light go ott after six secondt
YES NO
I
END
Conti.m tha DTC, and continue troubl*hooting.
Chock for an open in the SRS main harness (Vg line):1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the driver,s and front passenger,s airbag con_nectors, and discoonect the seat belt tensioner connectors(see page 24-23).3. Disconnect the SRS main harness 18p connector fromthe sRs unit.4. Reconnect the baftery positive cable, then reconnect thenegative cable.5. Connect a voltmeter between the No. 3 terminal (+) ofthe SRS main harness 18p connector and oround.6. Turn the ignition switch ON 0l).ls there battery voltage?
YESNO
Open in the SRS main harness (VB line); replaco thenatness,
(A)
To page 24 43
tl-
24-42
No. 23 110 Al FUSE
FUSE/RELAY BOX
SRS MAIN HARNESS 18P CONNECTOR
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Page 1341 of 1395
Troubleshooting
The SRS Indicator Light Doesn't Go Off -'99 - 00 models (cont,d)
From page 24,43DASHBOARD WIRE HARNESS5P CONNECTOR(B)
Check the SRS indicator circuit:1. Turn the ignition switch OFF.2. Remove the gauge assembly. Do not disconnect thedashboard wire harness 5p connector trom the gaugeassemDty.3. Turn the ignition switch ON 0l).4. Connect the dashboard wire hamess 5p connector terminals No. 1 and No. 5 with a iumoer wire.
Doos lhe SRS indic.tor light go offl
YESNO
Fauhy SRS indic.tor light circuit in lho gruge a3samblv;replaco the SRS print6d circuit bo.rd in the g.ugeassombly.
Check for an opeo in the SRS indicaior light circuit:1. Turn the ignition swirch OFF.2. Disconnect the dashboard wire harness 5p connectorfrom the gauge assembly.3. Check resistance between the No. 6 terminal of the SRSmain haroess 18P connector and the No. 1 terminal otthe dashboard wire harness 5P connector; there shouldbe0-1.0O.
|3 the rosbtance a3 sDecified?
YESNO
(D)
To page 24-46(E)To page 24-46
DASHBOARD WIRE HARNESS5P CONNECTOR
J
DASHBOARD WIRE HANNESS5P CONNECTOR
liTv;Tv;1c5i0s#
lsru lYErWire sade ol lernaleJUMPER w|RE rerminats
I
SRS MAIN HARNESS18P CONNECTOR
J
Wir€ side ot lemale ieminals
24-44
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Page 1343 of 1395
Troubleshooting
The SRS Indicator Light Doesn't Go Off -,99 - 00 models (cont,d)
Frcm page 24-44{D)
Ch€ck the SRS indicator circuit input voltage:1. Reconnect the SRS main harness 18p 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 there 8.5 V or more?
YESNO
The problem has disapp€ared due to disconnecting andconnecting tho connectors. Be sure all terminals makegood contact, and .echeck the system {seo Troublo_shooting Intermiftent Failures on page 2it-2E).
Poo. contact at the SRS main harn8s 18p connector; checkthe connector.. lf the connoctor is OK, aubstitute a known-good SRS unit,end recheck.. lf the problem is still present, .6place tho SRS m.in har-ne33.
Ftom lage24-44(E)
J)
DASHEOARD WFE HARNESS5P CONNECTOR
c5ott
Wire side of lemaleterminals
J
Torminal side ol male termtnal
ca03
SRS MAIN HARNESS18P CONNECTOR
c806
SRS MAIN HARNESS3P CONNECTOR
DASHBOARD WIRE HARNESS
Check for an open in the dashboa.d wire harnessi1. 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. S te.minal of the mainwire harness 24P connector; there should be 0 - 1.0 0.
ls th€ resistance rs speciliedT
YESNO
Open in the 8LU wi.o ol the dashboard wire hrmess:repair the dashboard wire ha.ness.
Check fo. an open in the m.in wire hamess:1. Disconnect the SRS rnain harness 3p connector from themain wire harness,2. Check resistance between the No. 6 terminal of the SRSrnain harness 18P connector and No. 1 terminal of the SRSmain harness 3P connector;there should be 0 1.0O.
b the rGbtanco as sDecified?
NOYES
Open in the BLU wir6 of th6 main wire hernos3; reori.the main wire hamess,
Open in the SRS main harness; r€place the SRS main ha.-noss.
24-46
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Page 1345 of 1395
Troubleshooting
No DTC (cont'dl
ltofi page 24-47(B)
Chock for short to ground in the SRS main harne3s:1. Disconnect the SRS main harness 2P connector lrom theunder dash fuse/relay box.2. Check resrstance betwoen the No.7 terminal of the SRSmain harness 18P connector and ground. There shouldbe 1.0 M0 or more.
k the ro3irtancc as specifi€d?
YESNO
Short to ground in tho under-da3h lus6/rolay box;replace the under-dash fuse/relav box,
Short to glound in the SRS m.in hernoss; roplace tho SRSmain hatnei3.FUSE/RELAY BOX
Check tor an op€n in the SRS main harness:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable. and wait for th ree minutes.3. Disconnect the driver's and front passenge/s airbag con,nectors, and disconnect the seat belt tension€r connectors{see page 24-23}.4. Disconnect the SRS main harness 18P connector fromthe SRS unit.5. Reconnect the battery positive cable, then reconnect thenegative cable.6. Connect a voltmeter between the No. 7 terminal oI theSRS main harness 18P connector and ground.7. Turn the ignition switch ON (lll , and measure voltage.
Poor conlact .t the SRS main harness l8P connesto.:check th6 connector,. It the connector is OK, substitute a known-good SRSunit, and rgcheck.. It lhe problem ii still p.es6nt, rcplace the SRS mlinhamess.
(A) From page 24-47
To page 24-49
SRS MAIN HARNESS 18P CONNECTOR
SRS MAIN HARNESS 18P CONNECTOR
J3
24-48
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1
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