Ect switch HONDA CR-V 1999 RD1-RD3 / 1.G Workshop Manual

Troubleshooting
DTC l-s
CAUTION: Whenever tho igniiion switch is ON {ll), or
has been lurned OFF for loss lhan thrse minules, be
caretul not to bump the SRS unit; the airbags could
accidentally deploy and cause damage or iniuries.
O'-
DRIVER'S AIRBAG2P CONNECTOR
'97 model:
SRS SIMULATORLEAD C07TAZ - SZ50r1A.nd SRS INFLATORSIMULATOR{2 0 JACK)07sAz - TBaolrA
SRS SIMULATORLEAO C07TAZ - SZ5011Aand SRS INFLATORSIMULATORt2 0 JACKI07sAz - TB{01rA
ar
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'98 - 0O models:
CABLE REEL2P CONNECTOR
Try to reproduce 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.
Doos tho SRS indicator liqht stav on?
YESNO
Inte.mittent tailure,3y3tem is OK at this timo. 506Troubleshooling Intermittent Failures on Daq€ 24-28.
Check tor a short to ground in the driver's ai.bag intlator:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable, and wa:l for three minutes.3. Disconnect the driver's airbag 2P connector from thecable reel 2P connector, Do not disconnect the passen,ger's airbag connector.4. Connect the special tool {2 O} to the cable reel 2P connec-tor.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 24-261.
ls DTC 1-5 indicated?
YESNO
Short to ground in the driver's airbag inflator; replace thedriver's airbag (s6e page 24-871.
Chock for a short to ground in the cablo reel:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the special tool i2 O) 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 O) to the SRS main harness2P connector. (cont'd)
To page 24-57
24-56
CAALE REEL2P CONNECTOR
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Troubleshooting
DTC 2-1 and DTC 2-2
CAUTION: Whenever the ignition switch is ON lll), or
has been turned OFF tor less than throe minutes, be
careful not to bump the SRS unit; the airbags could
accidentally deploy and cause damage or iniuries.
SRS MAIN HARNESS
SIMULATORI-EAD C
!a
07TAZ - SZ5tt11Aand SRS INFLATOR
/StMULATOR/ Q A JACKI
y' 07slz-TA411A
ffi
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 SRSindacator light comes on for about sax seconds and then
Does the SRS indicator lioht stav on?
Intermittent tailure, svstem is OK ai lhis time. SeeTroubl*hooting Intermittent Failures on paqe 24-28.
Chock for an open in the passongor's airbag inflator:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.3- Disconnect the front passenger's airbag connector lromthe SRS main harness (see page 24-2:,,.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 (see page 24 26!'.
ls DTC 2-1 or DTC 2-2 indicated?
Open or incrcased resistance in tho passenger's airbag
To page 24'59
24-58
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Troubleshooting
DTC 2-3
CAUTION: Whenevor the ignition switch is ON { }, orhas been turned OFF for less than three minutes, becareful not to bump the SRS unit; lhe airbags couldaccidentally deploy and causo damage or iniuries.
{J
SIMULATORLEAD C07TAZ - SZ50I1Aand SRS INFLATOR
/STMULATOR/ I2n JACKI
y' 07sAz -fB1011A
ffi
SRS MAIN HARNESS
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.
Does the SRS indicator light stay on?
YESNO
Intermittont failur€, syslem is OK at this time. 560T.oubloshooting lntormittent Failur6 on page 24-28.
Check for a short to another wiro or decreased resbtanc€ inthe pa$€nger's airbag inflator:1. Turn the ignition switch OFF.2. Disconnect the battery negative 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 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 28i.7. Read the DTC (see page 24-26).
ls DTC 2-3 indicated?
NOYES
Short to another wir6 or decaea3€d r€aktance in the oas-senger's airbag intlatoi; replac€ the passenger's airbag{see pago 24-8t1.
To page 24 61
24-60
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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
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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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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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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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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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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
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Troubleshooting
DTC 3-4
CAUTION: Whenever the ignition switch is ON (lll, ol
has been turned OFF for l6ss than thr6e minutes, b€
careful not to bump the SRS unit; lho airbags could
accidentally deploy and caus€ damage or iniuries.
{
DRIVER'SSEAT BELT TENSIONER2P CONNECTOR
LEFT SIDE WIREHARNESS2P CONNECIOR
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLATORSIMULATOR I{2 o JACK} Iozsaz - tamrrl i
Try lo reproduco th6 SRS indicator light:1. Erasethe 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 thenooes off,
Doe3 the SRS indicator liqht stav on?
NOYES
Intcrmitt.nt f.ilur., iystem is OK at this time. SoeTroubla3hooting Intermittent Failurca on Dage 24-28.
Checklor a shortlo Dowar in the driver'3 3€at beh tonsioncr:1. Disconnoct 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 0) to the left side wire harness2P connector.4. Reconnect the negative battery cable.5. Erase the DTC memory {see page 24-28).6. Read the DTC (see page 24-26).
ls DTC 3-4 indicsted?
NOYES
Short to powar in the d.iver's seat belt tensioner;replace the d.iver's seat belt tensione. {3ee pago 2il-31.
To page 24'71
24-70
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)
From page 24-70
Chock tor a short lo power in the sid€ wi.e harness:1. Disconnect the left side wire harness 2P connector fromthe SRS main harness 2P connector.2. Connect the sDecial tool {2 O) to the SRS maan harness2P connector,3. Eraso the DTC memory.4. Read the DTC.
b DTC 3-4 indiclted?
NOYES
Short to power in the left side wire ha.n6ss; replece thenarness.
Check for a short to power in the SRS mein harness:1. Disconnect the negative battery cable, and wait for threemrnutes.2. Disconnect the driver's and lront passenger's airbags,and front passenger's seat belt tensioner connectors (seepage 24-231.3. Disconnect the SRS main harness 18P connector tromthe SRS unit.4. Disconnectthe specialtool(2 0)from the SRS main harness2P connector, then reconnectthe negative battery cable.5. Turn the ignition switch ON (lll.6. Check lor voltage between the No. 4 terminal ol the SFSmain harness '18P connector and body ground. Thereshould be 0.5 V or less. Check for voltage between the No.11 terminals ol the SRS main harness 18P connector. Thereshould be 0.5 V or less.
ls tho voltage as specffied?
YESNO
Faulty SRS unit; replace tho SRS unit lsee paqe 24-95).
Short to power in the SRS m.in harness;.eplace the SRSmain hame3a.
LEFT SIDE WIREHARNESS2P CONNECTOR
SRS MAINHARNESS
h
(
C
00
2P CONNECTOR
SRS SIMULATORLEAO C07TAZ - SZ5011Aand SRS INFLATOR
(2 0 JACKI07SAZ - TB/t011A
)
SRS MAIN HARNESS18P CONNECTOR
)
24-71
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