Page 1371 of 1395
Troubleshooting
DTC 4-1 and DTC 4-2
CAUTION: Whenever tho ignition 3witch is ON (ll), ot
has boen turn€d OFF for less than thro6 minutos, bo
car€ful not to bump ihe SRS unit; the airbags could
accidentally deploy and causo damage or iniurios,
!|
RIGH1 SIDE WIREHARNESS2P CONNECTOR
FRONTPASSENGER'S
Try to roproduca the SRS indicator light:1. Erase the DTC momory (see page 24'28i.2. Turn the ignition switch ON (ll). and check that the SRSindicator light comes on for about six seconds. and thenooes off,
Does the SRS indicator lisht stay on?
YESNO
Intermittent failure, syatem i3 OK at this tim6. SooTrouble3hooting Inta.mittent Failuros on page 24-28.
Ched( for an open in the front p.ssongo/s 3eat bolt teruiona.:1. Disconnect the negative battery cable, and wait for threemrnutes.2. Disconnect the front passenger's seat belt tensioner 2Pconnector from the right side wire harn€ss 2P conneclor(see page 24-23). Do not disconnect the driver's seat belttensioner 2P connector.3. Connect the special tool (2 O) to the right sido wire har-ness 2P connector.4. Reconnect the negative battery cable.5. Erase the DTC memory lsee page 24 28).6. Read the DTC (see page 24'26).
k DTC 4-1 or DTC 4-2 indicatodT
YESNO
Open or increaaad resistance in lhe tront pa$enger'sseat belt tensioner; roplace the front p.s3engar's 3eatbelt lsee p.ge 24-31.
fo page24-75
24-74
SRS SIMULATORLEAD C07TAZ - SZ5n11Aand SRs INFLATORSIMULATOR
/iz o.ncri
f ozsAz - T8.011Ao
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Page 1373 of 1395
Troubleshooting
DTC 4-3
CAUTION: Whonev.r ths ignition switch is ON (ll), or
has been turned OFF tor less than throe minutes, b€
careful not to bump tho SRS unit; the airbags could
accidentally deploy and csuse damage or iniuries.
{
RIGHT SIDE WIREHARNESS2P CONNECTOR
FRONTPASSENGER'S
SRS SIMULATORLEAD C07TM - SZ5011Aand SRS INFLATORSIMULATOR
/2 o JACKIl07sAz - TB4011A
tnat2s>,-ar'--\>
Try lo reproducothc SRS indicator light:'1. Erase the DTC memory (see page 2{-28).2. Turn the ignition switch ON {ll}, and check that the SRSindicator light comes on for about six seconds, and thengoes off.
Doos the SRS indicstor light stay on?
YESNO
Intermittent failure, rystgm ia OK rt this timo. S6cTroubloshooting Intermittont Failu.os on pago 2+28.
Chock to. a short to .nothor wira or decre8od ro3btance inthe froni pa3sengor'3 aoat belt ten3ioner:1. Disconnect the negative battery cable, and wait for threemrnutes.2. Disconnect the front passenger's seat belt tensioner 2Pconnector from the right side wire hamess 2P connector(see page 24-23). Do not disconnect the driver's seat belttensioner 2P connector.3. Connect the special tool (2 O) to the right side wire har-ness 2P connoctor.4. Reconnect the negative battgry cable.5. Erase the DTC memory (see page 24-28).6. Read the DTC lsee page 24-261.
|3 DTC G3 indicatod?
YESNO
Short to .noth6r wire o. dc6e.r€d r€aktanco in the frontpassenger'3 s€at boh teniioner; roplacc the lront pass6n-g6r's aeat belt (s€e psge 2a-31.
To page 24-77
24-76
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Page 1375 of 1395
Troubleshooting
DTC 4-4
CAUTION: Whenever the ignition switch is ON (ll), or
has been turned OFF tor less than thlee minutes. be
careful nol to bump the SRS unit; the airbags could
accidontally deploy and cause damage or iniuries.
RIGHT SIDE WIREHARNESS2P
FRONTPASSENGER'S
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLATOR
,StMULATOR/(2 o JACK)
t _07SAZ - TBiro1 1A
Try to reproduce the SRS indicator light:1. Erase the DTC memory {see page 24-28).2. Turn the ignition switch ON (ll), and check that the SRSindicator light comes on for about six seconds, and thengoes off.
Doos the SRS indicator light 3t.y on?
vEsNO
Intermittent f!ilure, system is OK at this time. SeeT.oubleshooting Intermittent F.ilures on page 24-28.
Check tor a 3horl lo power in the frolt pass€nge.'s s€at belttensaoneri'1. Disconnect the negative battery cable, and wait for threemrnutes.2. Disconnect the front passenger's seat belt tensioner 2Pconnector from the right side wire harness 2P connector{see page 24-23}. Do not disconnect the driver's seat belttensioner 2P connector.3. Connect the special tool (2 O) to the right side wire har-ness 2P connector.4. Reconnect the negaiive baftery cable.5. Erase the DTC memory (see page 24-28).6. Read the DTC lsee page24-261.
ls DTC 4-,1 indicated?
YESNO
Short to power in the front passong6r'3 seat belt ten-sioner; replace the front passongar'3 s€at beh {see page21-31.
To page 24'79
24-78.
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Page 1377 of 1395
Troubleshooting
DTC 4-5
GAUTION: Whonever the ignition switch is ON fll). olhas be6n turned OFF for less than thrso minuter. becareful not to bump the SRS unit; the airbags couldaccidontally deploy and causo damage or iniurias.
\
RIGXT SIOE WIREHARNESS2P
FRONTPASSENG€R'S
SRS SIMULATORLEAD C07lAz - s2501 1Aand SRS INFLATORSIMULATOR
t2 0 JACKTo?saz - Taaol 1A
Try to roproduco th. SRS indicrtor tighi:1. Erase the DTC memory (see page 24-28).2. Turn the ignition switch ON (ll), and check that the SRSindicator light comes on for about six seconds, and thengoes off.
Doe3 the SRS indicator light stay on?
YESNO
Int€rmittent t.ilurG, syst.m is OK at thi! timo. So€Troubleshooting Inte.mift€nt Failure3 on psqa 2+28.
Chcck Ior a shon to ground in the trodt pars€nge/s lert behtensionea:1. Disconnect the negative battery cable, and wait for threemrnutes.2. Disconnect the front passenger's seat belt tensioner 2pconnector trom the right side wire harness 2p connector(see page 24-23). Do not disconnect the driver's seat bektensioner 2P connector.3. Connect the special tool (2 0) to the right side wire har-ness 2P connector,4. Reconnect the negative battery cable.5. Erase the DTC memory lsee page 24-28).6. Read the DTC (seo page 24-26!-.
k DIC G5 indicated?
NOYES
Short to ground in the Lont passengc.'3 3€rt boh ton-sioner; replace tho from p.rlenger's sort beh ls€a page21-3t.
To page 24-81
24-80
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Page 1379 of 1395
Troubleshooting
DTC 8-6 -'97 model
CAUTION: Whonever th€ ignition switch is ON fll). olhas b€en turned OFF for les3 than thro€ minutes, becaretul not to bump the SRS unit; tho airbags couldaccidentally deploy and cause damage or iniurios.
Besides indicating an abnormality in the SRS unit, DTC8-6 may also indicate that two problems equivalent toDTC 1-1 and 2-4, 'l-4 and 2-1, or 1-4 and 2-4 occurred atthe same time. Proceed in the order shown below.
18P CONNECTOR
\
Chock the SBS main harnGs:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the driver's airbag and front passenger,safrDag connectors {see page 24-23).3. Disconnect the SRS main harness t8p connector fromthe sRs unit.4. Reconnect the battery posative cable, then reconnect thenegative cable.5. Turn the ignition switch ON 0t).6. Connect a voltmeter and measure voltage between theNo. 10 terminal ot the SRS main harness l8p connectorand ground, and between the No. 14 terminal and qround.There should be aDorox.0-0.5 V.
Are voltages as specitied?
NOYES
Shon to power in tho SRS main harness; reglace the SRSmain harn€63.
Chock the SRS mein harnels and the cable re€l:Connect a voltmeter and measure voltage between the No. 1terminal of the SRS main harness l8p coonector andground, and between the No. 13 terminal and ground. Thereshould be approx.0 0.5 V.
Are voltages as specifiod?
YESNO
Faulty SRS unit; replace the SRS unit {sae pago 24-951.
To page 24-83 (A)
24-82
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Page 1381 of 1395
Troubleshooting
DTC 9-2 -'97 model
CAUTION: Whenever the ignition switch is ON flll, orhas been turned OFF tor loss than thrse minute3, bscareful not to bump the SRS unit; lhe airbags couldaccidentally doploy and causo damage or iniuriss.
\
Ch6ck the tuso:1. Turn the ignition switch OFF.2. Check tor blown No. 23 (10 A) fuse in the !nder-dashIuse/relay box.
Replace the fuse. Turn the ignition switch ON {ll}, and ch€ckthat the fuse doesnt blow.
Tho problem has dilappeared. T6t-drive the vohid€ andsee Troubl6hogting Intermittedt Failur6 on prgc 2il-2g.
Check for shon to ground botween the undor-darh fu36,/relay box and tho SRS unit.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 and front passenger,s airbag con-nectors {see page 24,23).4. Disconnect the SRS main harness 18p connector from
5. Check resistance between the No. 3 terminal of the SFSmain harness 18P connector and grouncl.There should be 1 M0 or more.
Faufty SRS unit; replaco th6 SRS unit {3e€ page 2t-951.
(A) To page 24-85
To page 24-85
No. 23 110 Al FUSE
FUSE/RELAY BOX
sRs18P CONNECTOR
24-84
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Page 1383 of 1395
Troubleshooting
DTC 9-2 -'97 model lcont'dl
UNDER.OASHFUSE/RELAY BOX
SRS MAII{ HARI{ESS2P CONNECTOR
24-86
From page 24-85
Check for an open in the SRS main harness:1. Turn the ignition switch OFF.2. Disconnect the SRS main harness 2p connector from theunder-dash fuse/relay box.3. Check resistance between the No. 2 terminal of the SRSmain harness 2P connector and the No. 3 terminal of theSRS main harness 18P connector.There should be 0-0.5 0.
ls th6 resistance as soecified?
YESNO
Poor contact at the SRS main harness 2p connector;check tho connector,. lf the connector i3 OK, substituto a known-good und€r-dash fuse/relay box, and recheck.. lf the problem is still present, roplace the SRS mainnatness,
Open in the SRS main harn$s;.eplace the SRS main har-ness.
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