1999 HONDA CR-V Replace battery

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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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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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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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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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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)
Ftom page 2!-7 a
Check lor .n oo.n in the side wire hsrness:1. Disconnect the right side wire harness 2P connector fromthe SRS main harness 2P connector.2. Connect the special tool (2 Oi to the SRS main harness2P connector.3. Erase the DTC memory.4. Bead the DTC.
ls DTC 4-1 or DTC 4-2 indicated?
NOYES
Open or inc.oased resistance in th€ right side wire har-ness; replace the harness.
Check tor an open in the SRS main harness:1. Disconnect the negative battery cable, and wait for threemtnutes.2. Disconnect the driver's and front passenger's airbags,and driver's seat belt tensioner connectors (see page 24-23\.3. Disconnect the SRS main harness 18P connector fromthe SRS unit. Do not disconnect the special tool (2 0)from the SRS main harness 2P connector.4- Check resistance between the No. 5 and No. 12 terminalsof the SRS main harness 18P connector. There sho!ld be2.0 - 3.0 0.
ls the resistanca as soecified?
NOYES
Faulty SRS unit or poor contact at the SRS main harne3s18P conneclor and the SRS unit, check the connestionb€tween the SRS main harness 18P conn€ctor and th6SRS unit. lf the connector is OK, reDlace the SRS unit{see page 24-951.
Open or increesed resistanco in the SRS main h.rnes3;replace the SRS main harness.
RIGHT SIDE WIREHARNESS2P CONNECTOR
SRS MAIN HARNESS2P CONNECTOR
SRS SIMULATORLEAD C07TAZ - SZ5011A.nd SRS INFLATORSIMULATOR(2 0 JACK)07sAz - TB4011A
)"r$
SRS MAIN HABNESS18P CONNECTOR
)
le.minals.
24-75
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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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