Page 1359 of 1395
Troubleshooting
DTC2-4
GAUTION: Wh€never tho ignition switch is ON 0t). orhas been turned OFF for less than threo minutes, bocareful not to bump the SRS unit; the airbags couldaccidentally deploy and cause damaga or iniuriss.
SRS MAIN HARNESS
SIMULAYORLEAD C
Ot-
07TAZ - SZ5011A.nd SRS INFLATOR
/stMU|_ATOR/ t2 tr JAoKI
// olsAz-Tsn11A
ffi
Try to reproduce the SRS indicator light:1. Erase the DTC memory (see page 24-28i.2. Turn the ignition switch ON (lli, and check that the SRSindicator light comes on tor about six seconds and thengoes off.
Do€s the SRS indicator light stay on?
YESNO
Inlermittent tailure, system is OK at this tim€. SceTroubleshooting Intermitt€.f Failures on page 2+28.
Check for a short to power in the passengar,s ai.bag infla-tor:1. Turn the ignition switch OFF.2. Disconnect the baftery negative cable, then disconnectthe positive cable, and wait for three minutes.3. Disconnect the front passenger's airbag 2P connectorIrom the SRS main harness lsee page 24-23).4. Connect the special tool (2 O) to the SRS main harness2P connector. Do not disconnect the driver,s airbag con,nector,5. Reconnect the battery positive cable, then reconnect thenegative cable.6. Erase the DTC memory (see page 24-28).7. Read the DTC (see page 24-26|'.
ls DTC 2-4 indicsted?
YESNO
Sho.t power in the passenger's airbag infator; rsplece thopaisonge/i airbag {s€e pag€ 2il-89).
To page 24-63
24-62
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Page 1360 of 1395
Frcm page24-62
Check lor a short to power in the SRS main harness:
1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.
2. Disconnect the drive/s airbag 2P connector (and disconnect
both seat belttensionerconnectors).3. Disconnect the SRS main harness 18P connector trom
the SRS unit.4. Remove the specialtool (2 0) from the SRS main harness
2P connector,5. Reconnect the batterv positive cable, then reconnect the
negative cable.6. Connect a voltmeter between the No. 10 (+) terminal of
SRS main harness 18P connector and ground.
7. Turn the ignition switch ON (ll). and measure voltage
There should be 0.5 V or less.8. Connect a voltmeter between the No. 141+) terminal of
the SRS main harness 18P connector and ground, and
measure voltage. There should be 0.5 V or less.
Are voltages .3 specifiedT
YESNO
Faulty SRS unit; replace the SRS unit (sce page 24'95).
Short to powor in the SRS main ha.ne3s; replace the SRS
main hdrness.
sRs.I8P CONNECTOR
24-63
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Page 1361 of 1395
Troubleshooting
DTC 2-5
CAUTION: Whenever the igniiion switch is ON {ll}, orhas be€n turn€d OFF for less than three minutes, becareful nol to bump the SRS unit; the sirbags couldaccidentally doploy and causo damage or iniuries.
tl
SIMULATORLEAO C07TAZ - SZ5011A.nd SRS INFLATOR
/StMULATOR/ t2 a JACKI
/ 07saz-fB&11^
ffi
Try to rep.oduce the SRS indicstor tight:1. Erase the DTC memory (see page 24-28).2. Turn the ignition switch ON 0l), and check that the SRSindicator light comes on for about six seconds and thengoes off.
ooes th6 SRS indicaror light st.y on?
YESNO
Inte.mitt.nt failure, system is OK at thi3 time. S€eTroubl6hooting Intermittem Failur6 on page 2+28.
Check for a short to gaound in th6 prsenger,i airbag inlla-tor:1. Turn the ignition switch OFF.2. Disconnect the battery nogative cable, then disconnectthe positive cable, and wait for three minutes.3. Disconnect the front passenger,s airbag 2p connectorfrom the SRS main harness {see page 24-23).4. Connect the special tool (2 0) to the SRS main harness2P connector. Do not disconnect the driver,s airbag con,nector.5. Reconnect the battery positive cable, then reconnect thenegative cable.6. Erase the DTC memory (see page 24-28).7. Read the DTC lsee page 2[-261.
ls DTC 2-5 indicated?
YESNO
Short to ground in the pas€ngert airbeg inflator; ,cplacethe passenge/s airbag (s€e page 2+991.
To page 24 65
24-64
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Page 1362 of 1395
)J
From page 24'64
Check for a short to ground in the SRS main harnessl1. Disconnect the battery negative cable, then disconnectthe posilive cable. and wait for three minutes.2. Disconnect the driver's airbag 2P connector (and discon-nect both seat belt tensioner connectors),3. Disconnect the SBS main harness 18P connector fromthe sRs unit.4. Remove the special tool (2 O) from the SRS main harness2P connector,5. Check resistance between the No. 10 terminal of the SRSmain harness 18P connector and ground, and betweenthe No. 14 terminal of the SRS main harness 18P connector and ground. There should be 1 M0 or more.
ls the resistance as sD€citied?
NOYES
Faultv SRS uniu replace the SRS unit {see paqe 24-951.
Short to ground in the SRS main harn€ss; replac€ ihe SRSmain harness.
sRs18P CONNECTOF
24-65
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Page 1363 of 1395
Troubleshooting
DTC 3-1 and DTC 3-2
CAUTION: Whenever the ignition switch is ON flll, orhas been turned OFF for less than three minutes, b€careful not to bump th€ SRS unit; the airbags couldaccidenlally deploy and cause damage or iniuries.
DRIVER'SSEAT BELT TENSIONERLEFT SIOE WIREHARNESS2P CONNECTOR2P CONNECTOR
-
\
SRS SIMULALEAD C07TAZ - SZ501rAand SRS INFLATORSTMULAToR It2 0JACKI IoTsaz - TB4ot lA t
24-66
Try to reproduce the SRS indicatoi light:1. Erase the DTC memory (see page 24-29).2. Turn the ignition switch ON 1 ), and check that the SRSindicator light comes on for about six seconds and thengoes off.
Does the SRS indicaior lighr stay on?
YESNO
Intermittent failure, system is OK at this time. SeeTroubleshooting lfiermittent Failu.6s on page 24-28.
Check tor an open in the driver's seat b6lt tensioner:1. Disconnect the negative battery cable, and wait lor threeminutes.2. Disconnect the drave/s seat belt tensioner 2p connectorfrom the left side wire harness 2P connector (see page24-23). Do not disconnect the lront passenger,s seat belttensioner 2P connector.3. Connect the special tool {2 O) to the left side wire harness2P connector,4. Reconnect the negative baftery cable5. Erase the DTC memory {see page 24,28).6. Read the DTC (see page 24-26).
ls OTC 3-1or DTC 3-2 indicatedT
YESNO
Open or increased resistance in the d.iver's seat belt ten-sioner; replace the driver's seat belt {see page 2il-91).
To page 24 67
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Page 1364 of 1395
)
LEFT SIDE WIREHARNESS2P CONNECTOR
SRS MAINHARNESS2P CONNECTOR
C
00
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLATOR
{2 0 JACKI07sAz - T84011A
art)
sRsUNIT
SRS MAIN HARNESS.I8P CONNECTOR
)
From page 24-66
Check for an oFn in thc aide wir6 harne$:1. Disconnect the left side wire harness 2P connector fromthe SRS main harness 2P connector.2. Connect the special tool (2 o) to the SRS main harness2P connector.3. Erase the DTC memory.4. Read the DTC.
ls DTC 3-l or DTC 3-2 indicated?
YESNO
Ooen or incrers€d reeidance in the lelt side wire hame3s;r€Dlaca the hamess.
Check for an open in the SRS main harness:1. Disconnect the negative battery cable, and wait for threeminutes.2. Disconnect the driver's and front passenger's airbags,and front passenger's seat belt tensioner connectors (see
page 24-231.3. Disconnect the SRS main harness 18P connector from
the SRS unit. Do not disconnect the special tool (2 O)from the SRS main harness 2P connector.4. Check resistance between the No. 4 and No. 11 terminalsof the SRS main harness 18P connector. There should be2.0 - 3.0 0.
13lhe resistance as soecified?
NOYES
Faulty SFS unil or poor contad at the SRS main h.m€ss18P connector and th€ SRS unit. check the connectionbetween the SRS main harn$s 18P connector and theSRS unit. lf the connector i3 OK. r€Dlaco ihe SRS unit(s66 pas6 24-951.
ODen or incaoased resistance in the SRS msin harness;reolace the SRS main harn€ss.
terminals
24-67
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Page 1365 of 1395
Troubleshooting
DTC 3-3
CAUTION; Whenever the ignition switch is ON llll, or
has b€on turned OFF for l6ss than three minutes, be
carelul not to bump the SRS unit; the airbags could
accidontally deploy and cause damage or iniuries.
ORIVER'SSEAT EELT TENSIONER2P CONNECTOR
SRS SIMULATORLEAO C07TAZ-525011Aand SRS INFLATORsrMULAroR It2 0 JACK| tozsAz - ls{orra !
s
Try to r€produce the SRS indicator light:1. Erase the DTC memory (see page 24-28).2. Turn the ignition switch ON (lll, and check that the SRSindicator light comes on for about six seconds and thengoes off.
Does the SRS indicator lighl stay on?
YESNO
Intarmittent failure, system is OK at this time. 506Troubl€shooting Intormittant Failures on paqe 24-28.
Check tor a 3hort to anoth€r wire or decreased resistance inihe driver's seat bolt tan3ioneri1. Disconnect the negative battery cable, and wait for threeminutes,2. Disconnect the driver's seat belt tensioner 2P connectorfrom the left side wire harness 2P connector (see page24-23). Do not disconnect the front passenger's seat belttensioner 2P connector,3. Connect the special tool (2 O) to the left side wire harness2P connector.4. Reconnect the negative battery cable5. Erase the DTC memory (see page 24-28).6. Read the DTC (see page 24.26l'.
ls DTC 3-3 indicated?
NOYES
Short to another wire or decreased.esistance in thedriver's s6at beh tcnsioner; replac€ the diive.'s seat bolt{se€ prge 24-911.
To page 24 69
24-64
LEFT SIDE WIREHARNESS2P CONNECTOB
ra
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Page 1366 of 1395
From page 24-68
Check lor a short to another wire or decreased reaistance inthe side wire harnoss:1. Disconnect the left side wire harness 2P connector tromthe SRS main harness 2P connector.2. Connect the special tool (2 0) to the SRS main harness2P connector.3. Erase the DTC memory.4. Read the DTC.
ls OTC 3-3 indicated?
YESNO
Short to another wire or decrcased resbtance in the le-hside wire harness; reglace the harneas.
Check lor a 3hort to another wire or dec.eased resistance inthe SRS main ha.ne$:1. Disconnect the negative battery cable, and wait for threeminutes,2. Disconnect the driver's and front passenger's airbags,and front passenger's seat belt tensioner connectors (seepage 24 23l'.3. Disconnect the SRS main harness 18P connector fromthe SRS unit.4. Disconnect the special tool (2 O) from the SRS main harness2P connector.5. Check resistance between the No. 4 and No. 11 terminals ofthe SRS main harness 18P connector. There should be1 M0 or more.
ls the resistanc€ as soocified?
NOYES
Faulty SRS unit; replace the SRS unit lso€ paqe 24-95).
Short to another wire or decr€asod rosistanco in the SBSmain harness; replace the SRS main harness.
\.p
LEFT SIDE WIREHARNESS2P CONNECTOR
SRS MAINHANNESS
C0a
2P CONNECTOR
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLAToRSIMULATOR{2 0 JACK}07sAz - TB4011A
IJ
SRS MAIN HARNESS18P CONNECTOR
SRS UNIT
lerminals.
IJ
t,rutEr-
24-69
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