1999 HONDA CR-V Wiring of sr

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Supplemental Restraint System (SRS)
Special Tools .."....."" 24-14
Component/Wring Location
lndex - '97 model ..........'.." '.....""" 24-15
Component/Wiring Location
lndex - '98 - 00 models ..............." 24-16
Description .'.........."'.24'17
Circuit Diagram .........24'14
Precautions/Procedures
General Precautions ......".."'........... 24-19
Airbag/Seat Belt Tensioner
Handling and Stolage ....''........... 24-19
SRS Unit Precautions ...............'...... 24-20
lnspeciion After Deployment .......'.24'20
) SpringJoaded Lock Connector
with Built-in Short Contact '...'....24-21
Spring-loaded Lock Connectors .."' 24-22
BackProbing SPring-loaded Lock
Conneetors ,.......24-22
Disconnecting the Airbag Connectors and
the Seat Beh Tensioner
Connectors ....'....24-23
Steering-lelated Precautions .......... 24-25
Troubleshooting
Self -diagnostic Procedures ............. 24-26
Reading the DTC .................. .....".."' 24'26
Erasing the DTC Memory ................24-28
Troubleshooting lntermittent
Faifures "'...........24'24
Diagnostic Trouble Gode {DTC}
Chart -'97 model ....""....... "......24-29
Diagnostic Trouble Gode (DTCI
Chart -'98 - 00 models ............. 24-31
SRS Indicator Light Wire
Connections ','," 24'33
Ff owcharts ....-........24'34
Driver's Airbag
Repf acement ..'......21'87
Front Passenger's Airbag
Repfacement .....'.',24'AS
Gable Reel
Replacement .......'.24-91
SRS Unit
Replacement .........24-95
Airbag/Seat Belt Tensioner
Disposaf .................24'97
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Component/Wiring Locations Index -'97 model
SRS INDICATOR LIGHT (ln the gauge assembly)Troubleshooting, page 24-27Gauge assembly, section 23
DASHBOABD w|RE HARNESS
to SBS INDICATOR LIGHT in
DRIVER'S AIBMGReplacement,page 21-87Disposal, page 24-97
To CRUISE CONTROLSET
To DRIVERS AnBAG
ANBAG2P
sBsitAr[ ] nNEssto FROI|T PASSEiIGEB.S
FRONT PASSEITGER'S AIRBAGReplacement, pago 24{9Disposal, page 24-97
sns ut{fTGROUND
SES MAIN HAR]GSStosns U nItP OOIIITECTOR
MAIN WIRE HABNESSto DASHBOABD wlRE21P
SRS MAIN HABNESSto UNOEB-DASHFUSE/BELAY BOX2P CONNECTOR
GOf$ECrOn PPIlBLr( 8R t
MEMORY ERASE SIGNALIMES) CONNECTOR I2PI[GRY. GRYI or twHT, BLr.l
GAUGE ASSEMBLY5P
HARNESS
SRS MAIN HARNESSto MAINWIRE HARNESS3P OONNECTOR
24-15
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Gomponent/Wiring Locations Index -'98 - 00 models
SRS INDICAIOR LIcHT (ln the gauge assembty)Troubleshooting, page 24 27Gauge assembly. section 23
DASHBOARD WIRE HARNESSto SRS INDICATOR LIGHf inGAUGE ASSEMBLY5P CONNECTOR
FRONT PASSENGER'S AIRBAGReplacement, page 24-89Disposal, page 24 97
CABLE REELReplacement,page 24-91
To HORN SWITCH
To CRUISE CONTROLSET/RESUME SWTCH
To DRIVER'S AIRBAG
ro CABLE REEL2P CONNECTOR
MAIN VYIRE HARNESSto DASHBOARD WIRE HARNESS
SRS MAIN HARNESS
ORIVER'S AIRBAGReplacement,page 24-87Disposal, page 24-97
SRS UNIT
SRS MAIN HARNESSto FROI{T PASSENGER,S AIRBAG2P CONiIECTOR
RIGHT SIDE WIRE HARNESS toSEAI BELTTENSIONER2P CONNECTOR24P CONNECTOR
SRS MAIN
SRS MAIN HARNESS toLEFT SIDE WIRE HARNESS2P CONNECTOR
SRS MAIN HARNESSto MAIN WIRE HARNESS3P CONNECTOB
(lncluding safing sensorand impact sensor)Replacement, page 24-95
SRS MAIN HARNESS toRIGHT SIDE WIRE HARNESS2P CONNECTOR
SERVICE CHECKCONNECTOR I2PIIBLK BRNI
to UNDER-DASHFUSE/RELAY BOX2P CONNECTORSEAT BELT TENSIONERReplacement, page 24 3Disposal, page 24-97
ORIVER'S SEAT BELTMEMORY ERASE SIGNAL(MES) CONNECTOR I2PIIGRN, GRNI or IWHT, BLKIReplacement, page 24-3Disposal, page 24-97
LEFT SIDE WIRE HARNESS toSEAT BELTTENSIONER2P CONNECTOR
24-16
.4
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Precautions/Procedures
SRS Unit Precautions
Take extra care when painting or doing body work in
the area below the dashboard. Avoid direct exposure
of the SRS unit or wiring to heat guns, welding, or
spraying equipment.
Disconnect the driver's/front passenger's airbag con-
nectors and seat belt tensioner connectors before
working below the dashboard near the SRS unit.
After any degree of frontal body damage, or after a
collision without airbag deployment, inspect the SRS
unit for physical damage. lf it is dented, cracked, or
detormed, reolace it,
Be sure the SRS unit is installed securelv.
Do not disassemble the SRS unit.
Store the SRS unit in a cool {less than about
104"F/40"C) and dry {less than 80o/o humidity. no
moisture) place. Do not spill water or oil on the SRS
unit, and keep it awav from dust.
During installation or replacement, be careful not to
bump (impact wrench, hammer, etc.) the area a[ound
the SRS unit, The airbags could accidentally deploy
and cause damage or injury.
24-20
,..4
Inspection After Deployment
After a collision in which the airbags were deployed.
replace the SRS unit, and inspect the following:
1. Inspect all the SRS wire harnesses. Replace, don't
repair, any damaged harnesses
2. Inspect the cable reel for heat damage, lf there is any
damage. replace the cable reel.
3. After the vehicle is completely repaired, turn the
ignition switch on. lf the SRS indicator light comes
on for about six seconds and then goes off, the SRS
system is OK. lf the indicator light does not function
properly, go to SRS Troubleshooting.
rD
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JWiring Precautions
. Never attempt to modify, splice or repair SRS wiring.
NOTE: SRS wiring can be identified by special yellow
outer coveflng.
Be sure to install the harness wires so that they are
pinched or interfering with other parts.
Make sure all SRS ground locations are clean and
grounds are securely fastened for optimum metal-to-
metal contact. Poor grounding can cause intermittent
problems that are difficult to diagnose.
GROUND TERMINAL
CONTACT
CONTACT
24-21
Spring-loaded Lock Connestor with
Built-in Short Gontact
The driver's airbag/front passenger's airbag and seat
belt tensioners have a spring-loaded lock connector with
a built-in short contact. When this connector is discon-
nected, the power terminal and the ground terminal in
the airbag connector are automatically shorted.
Conngctor halvcs diSconnested:
GROUND TERMINAL
SHORT CONTACT
CABIf REEL CONNECTOR
Connector halves connected;
ACT
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Driver's Airbag
Replacement lcont'd)
CAUTION: 8. sure to instattthe SRS wiring so that it isnot plnched or inlerfsring with other parts.
4. Place the new driver's airbag into the steeringwheel, and secure it with new Torx bolts.
TORX EOLTS9.8 N,m 11.0 kgl.m, 7.2 tbf,ftlFeplace.
24-88,
5. Connect the driver's airbsg 2p connector to thecable reel 2P connector, then install the accesspanel on the steering wheel.
Connect the battery positive cable. then connect thenegative cable.
After installing the airbag assembly, confirm proper
system operation:
. Turn the ignition switch ON llt); the SRS indica-tor light should come on for about six secondsand then go off.. Mske sure both horn buttons work.o Take a test-drive, and make sure the cruise con-trol switches work.
7.
2P CONNECTOR
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Front Passenger's Airbag
Replacement (cont'd)
GAUTION: Be sure to installthe SRS wiring so that it isnot pinched or interfering with olher parts.
6. Place the new front passenger's airbag into thedashboard. Tighten the front passenger,s airbagmountrng nuts.
FRONT PASSENGER'SAIRBAG MOUNTING NUTS9.8 N.m {1.0 kgJ.m,7.2 lbf ft)Replace.
FRONT PASSENGER'S
24-90
7. Attach the airbag connector to the connector hold_er, then reinstall the glove box.
Connect the b8ttery positive cable, then connect thenegative cable.
After installing the airbag. confirm proper sysremooerauon:
Turn the ignition switch ON ( ); the SRS indicatorlight should come on for about six seconds andthen go off.
FRONT PASSENGER'S
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