airbag HONDA CR-V 1999 RD1-RD3 / 1.G Manual PDF

Troubleshooting
DTC 9-2 -'97 model
CAUTION: Whenever the ignition switch is ON flll, orhas been turned OFF tor loss than thrse minute3, bscareful not to bump the SRS unit; lhe airbags couldaccidentally doploy and causo damage or iniuriss.
\
Ch6ck the tuso:1. Turn the ignition switch OFF.2. Check tor blown No. 23 (10 A) fuse in the !nder-dashIuse/relay box.
Replace the fuse. Turn the ignition switch ON {ll}, and ch€ckthat the fuse doesnt blow.
Tho problem has dilappeared. T6t-drive the vohid€ andsee Troubl6hogting Intermittedt Failur6 on prgc 2il-2g.
Check for shon to ground botween the undor-darh fu36,/relay box and tho SRS unit.1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.3. Disconnect the driver's and front passenger,s airbag con-nectors {see page 24,23).4. Disconnect the SRS main harness 18p connector from
5. Check resistance between the No. 3 terminal of the SFSmain harness 18P connector and grouncl.There should be 1 M0 or more.
Faufty SRS unit; replaco th6 SRS unit {3e€ page 2t-951.
(A) To page 24-85
To page 24-85
No. 23 110 Al FUSE
FUSE/RELAY BOX
sRs18P CONNECTOR
24-84
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from page 24'84(B)
Ch6ck fo. short io ground in the SRS main harnes!:1. Disconnect the SRS main harness 2P connector lrom theunder-dash fuse/relay box.2. Check resistance between the No. 3 terminal of the SRSmain harness 18P connector and ground. There shouldbe 1.0 MO or more.
ls the resbtanco as soecitied?
YESNO
Short to ground in the undor-dalh fuse/relay box;r€placo th€ under-da3h fuse/relav box.
Short to ground in the SRS main harneas; replaco the SRSmain harneas.FUSE/RELAY BOX
Ch€ck for an open in the SRS main harnes:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnectthe positive cable, and wait tor three minutes.3. Disconnect the driver's and front passenger's airbag con-nectors {see page 2il 23).4. Disconnect the SRS main harness 18P connector fromthe sRs unit.5. Reconnect the baftery positive cabie, then reconnect thenegative cable.6. Connect a voltmeter between the No. 3 terminal of theSRS main harness 18P connector and oround.7. Turn the ignition switch ON (ll) , and measure
Poor contrct at the SRS main harn€ss 18P connector;check the connectoa.. lf the connsctor is OK, substitute a known-good SRSunit, and rccheck.. lf the problom is still present. replaco the SRS mainharness,
(A) From page 24-84
To page 24'86
SRS MAIN HARNESS18P CONI{ECTOR
SBS MAIN HARNESS18P COI{l{ECTOR
(cont'd)
24-85
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Driver's Airbag
1.
Replacement
After a collision in which the airbags were deployed, the
airbags, the seat belt tensioners (if so equipped), and
the SRS unit must be replaced.
@ Store a removed airbag with the pad su.-
tacs up, lf th€ airbag is improperly stored face down.
accidental deployment could propal the unit with
enough forc€ io causg serioug iniury.
CAUTION:
. Always disconnoct the drivor's airbag connector
when the SRS main harness is disconnactod.
. Do not disassemble or tamper with ihe airbag.
NOTE:
Do not install used SRS parts from another vehicle,
When repairing, use only new SRS parts.
Carefully inspect the airbag before you install it. Do
not install an airbag that shows signs of being
dropped or improperly handled, such as dents, cracks
or deformation.
Disconnect the battery negative cable, then discon-
nect the positive cable from the battery, and wait at
least three minutes.
Remove the access panel from the steering wheel.
then disconnect the 2P connector between the driv-
er'6 airbag and cable reel. When disconnected. the
airbag connector is automatically shorted.
2P CONNECTON
ACCESS PANEL
24-87
3. Remove the two Torx bolts from the steering whsel,
and disconnect the horn connector. Remove the
driver's airbag,
(cont'd)
DRIVER'S
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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
After a collision in which the airbags were deployed, the
airbags, the seat belt tensioners (if so equipped), and
the SRS unit must be reolaced.
@ store a rsmovod airbag with lhe pad sur-
face up, It the airbag is improporly stor6d face down,
accidental doploym€nl could propsl ths unit withgnough forco to cause serious iniury.
CAUTION:
. Always disconnsqt the front pa3s6ng6r'3 airbag con-
noctor when tho SRS main harness is disconnocted,
. Do not disassambl6 or tamper with tho airbag,
NOTE:
. Do not install us6d SRS parts from another vehicle.
When repairing, use only new SRS parts.
. Carefully inspect the airbag before you install it. Do
not install an airbag that shows signs of being
dropped or improperly handled, such as dents, cracks
or deformation.
Disconnect the battery negative cable, then discon-
nect the positive cable from the battery. and wait at
least three minutes.
Remove the glove box (see section 20).
Disconnect the 2P connector between the front Das-
senger's airbag and SRS main harness, When dis-
connected, the airbag connector is automatically
shorted.
FRONT PASSENGER'S
1.
5.
Remove the three mounting nuts from the bracket.
Lift the front passsnger's airbag out of the dash-
DOaro.
NOTE: The airbag lid has pawls on its side which
attach it to the dashboard. To remove the airbag,
cover the lid and dashboard with a cloth, and pry
carefullv with a flat tip screwdriver.
FRONT PASSENGER'S
FRONT PASSENGER'SAIRBAGMOUNNNG NUTS
(cont'd)
24-49
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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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Cable Reel
)Replacement
@ stors a removed airbag with the pad sur-
tace up. lf th€ airbag is improperly stored face down,
accidental d6ployment could propel the unit withgnough force to cause serious iniuty.
CAUTION:
. Always disconnect the airbag connector whgn the
SRS msin harness is disconnoctod.
. Do not disassemblo or tamper with the airbag.
NOTE: Carefully inspect the airbag before installing it.
Do not install an airbag that shows signs of being
dropped or improperly handled, such as dents, cracks or
deformation,
'1.Disconnect the battery negative cable, then discon-
nect the positive cable from the battery, and wait at
least three minutes.
Remove the access panel from the steering wheel,
then disconnect the 2P connector between the driv-
er's airbag and cable reel.
*f
DRIVER'S
24-91
Make sure the wheels are aligned straight ahead.
Remove the two Torx bolts from the steering wheel,
and disconnect the horn connector, Remove the
driver's airbag,
TORX BOLTSUse a Torx T30 bit.
5. Remove the driver's dashboard lower cover (and
the knee bolster).
(cont'd)
DRIVER'S DASHBOARD LOWER COVER
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Cable Reel
16.
Replacement (cont'dl
11.
Tighten the steering wheel bolt to the specifiedtorque, and connect the horn connector to the steering wheel. Then install the driver's airbag.
TORX BOLTS9.8 N.m (1.0 kgd.m,7.2 lbnftlReplace.DRIVER'S
Attach the cable reel 2P connector to the connectorholder. Then install (the knee bolster and)the driver,sdashboard lower cover.
BOLSTERl'98 - 00 modalsl
STEERING WHEEL BOLT38 N.m (3.9 kgl.m,28lbf.ftlReplace.
CABLE REEL
24-94
DRIVER'S DASHEOARD LOWER COVER
19.
20.
Reconnect the driver's airbag 2P connector to thecable reel 2P connector, and reinstall the accesspanel on the steering wheel.
Reconnect the battery positive cable, then the nega-tive cable.
After installing the cable reel, confirm proper sys-tem operation:
. Turn the ignition switch ON (ll); the SRS indica-tor light should come on for about six secondsand then go off.
a Make sure both horn buttons work.. Go for a test drive. and make sure the cruise con-trol switches work.
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SRS Unit
).0Replacement
CAUTION:
. Before disconnecting any part of the SRS wire har-
nesg, disconnect the airbag connoctors (and soat beh
tensioner connectorsl.
. During installation or replacament, do not bump(impact wrench, hammer etc.) the area near the SRS
unit.
Do not damage the SFS unit terminalg or connsc-
lors.
Do not disassemble the SRS unit it has no saryice-
able parts,
Store the SRS unit in a clean, dry area.
Do not use any SRS unit which has been subiected
to water damage or shows signs ot being dropped orimproperly handlgd, such as dents, cracks or defor-
mation.
Disconnect the battery negative cable, then discon-
nect the positive cable from the battery, andwaitat
least three minutes.
Disconnect the airbag connectors (and seat belt ten-
sioner connectors). (When disconnected, the airbag
and seat belt tensioner connectors are automatical-
ly shorted.)
Driver's Side:
. Remove the access panel from the steering
wheel, then disconnect the 2P connector
between the driver's airbag and cable reel (see
page 24-231.
Front Passenger's Side:. Disconnect the 2P connector between the frontpassenger's airbag and SRS main harness (see
page 24-231.
Soat Beh Tensionor ('98 - 00 modelsr:. Remove the left and right center pillar lower trimpanels (see section 20).
. Disconnect the seat belt tensioner 2P connectors
from the left side wire harness (driver's side) and
the right wire harness (front passenger's side)(see page 24'231.
2.
a
a
'1.
)
)o
24-95
3. Remove the right side cover from the SRS unit.
SRS UNIT
TORXAOLTSUse a TorxT30 bir.
COVER
Remove the left slde cover from the SRS unit. then
disconnect the SRS main harness 18P connector
from the SRS unit.
sRsHARNESS18P CONNECTOR
TORXBOLTSUs€ a TorxT30 bir.
stoECOVER
Remove the four Torx bolts from the SRS unit. then
oull out the SRS unit from the driver's side.
(cont'd)
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SRS Unit
Replacement (cont'dl
6. lnstall the new SRS unit. lf the Torx bolts you
removed in the previous step have red threads,
replace the Torx bolts.
TORX BOLTS9.8 N.m 11.0 kgf.m,7.2 lbtft)Uso a Torx T30 bit.
Connect the SRS main harness l8P connector to the
SRS uniu push it into position until it clicks.
Install the SRS unit covers (right and left). Make
sure the covers snap together in the middle.
7.
8.
TORX BOLTS9.8 N.m {1.0 kgf.m, ?.2Use . Torx T30 bh,
SRS UNIT
24-96
-
9. Reconnect the driver's aibag 2P connector to the
cable reel 2P connector, then reinstall the access
panel on the steering wheel.
Reconnect the front passenger's airbag connector
to the SRS main harness.
Reconnect the left side wire harness 2P connector
to the driver's seat belt tensioner and the right side
wire harness 2P connector to the front passenger's
seat belt tensioner ('98 - 00 models).
Reinstall the center pillar lower trim panels {'98 - 99
modelsl.
Reconnect the battery positive cable, then the nega-
tive cable.
After installing the SRS unit, confirm proper system
operation: Turn the ignition switch ON (ll); the SRS
indicator light should come on for about six seconds
and then go off,
10.
1't.
12.
13.
14.
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