front HONDA CR-V 1998 RD1-RD3 / 1.G Workshop Manual

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
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24-48
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SRS MAIN HARNESS18P CONNECTOR
From page 24 50
Check for an opon in the cabl€ re€l (cont'd):
5. Reconnect the batterv positive cable, then reconnect thenegative cable,6. Erase the DTC memory (see page 24-28).7. Read the DTC (see page 24-2d.
ls DTC 1-1 or DTC 1-2 indic.ted?
YESNO
Open or increased resistance in the cable reel; replacethe cable reel (see paqe 24-91J.
Check for an open in the SRS main harne$:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait lor three minutes.2- Disconnect the front passenger's airbag connector landdisconnect both seat belt tensioner connectors),3, Disconnect the SRS main harness 18P connector fromthe SRS unit. Do not disconnect the special tool 12 O)from the SRS main harness.4. Check resistance between terminals No. 1 and No. 13 ofthe SRS main harness 18P connector.There should be aoorox.2.0 3.0 0.
ls the rcsistanc€ as soecified?
NOYES
Poor contact at the SRS main harnoss 18P conn€ctor;check the connector.. It the connecior is OK, substitute a lnown-good SRSunit, and recheck..lf the problem is still present, .eplace the SRS mainharness,
Opon or inc.oased rc3istance in the SRS main harnoss;roDlace tho ha]nss.3.
24-51
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Ftom page24-54
Check for 6 short power in the cable r6el {cont'd):5. Reconnect the battery positive cable, then reconnect thenegative cable.6. Erase the DTC memory (see page 24-28).7. Read the DTC (see page 24-261.
b DTC 1-4 indicarodz
YESNO
Short to power in lhe cablo roel; replace th€ cabl€ ieel{see pago 24-91).
Check tor a short to power in th. SRS main harn$s:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the front passenger's airbag connector {anddisconnect both seat belt tensioner connectors).3. Rernove the special tool (2 O) from the SRS main harness2P connector.4. Disconnect the SRS main harness 18P connector fromthe SRS unit.5. Beconnect the batterv positive cable, then reconnect thenegative cable.6. Connect a voltmeter between the No. 1 {+) terminal olthe SRS main harness 18P connector and body ground.7. Turn the ignition switch ON (ll), and measure voltage.There should be 0.5 V or less.8. Turn the ignition switch OFF.9. Connect a voitmeter between the No. 13 {+i terminal ofthe SRS main harness 18P connector and body ground.10.Turn the ignition switch ON lll), and measure voltage.There should be 0.5 V or less.
Are voltages as specified?
YESNO
Faulty SRS unit; replaco th€ SRS unit lsoo pas6 24-95).
Short to power in th€ SRS main hamoss; roplece the SRSmain haanass.
SRS MAIN HARNESS18P CONNECTOR
24-55
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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
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07TAZ - SZ5tt11Aand SRS INFLATOR
/StMULATOR/ Q A JACKI
y' 07slz-TA411A
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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
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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
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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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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^
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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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LEFT SIDE WIREHARNESS2P CONNECTOR
SRS MAINHARNESS2P CONNECTOR
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SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLATOR
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sRsUNIT
SRS MAIN HARNESS.I8P CONNECTOR
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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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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 !
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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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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.
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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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