front HONDA CR-V 2000 RD1-RD3 / 1.G Workshop Manual

Troubleshooting
DTC 4-5
GAUTION: Whonever the ignition switch is ON fll). olhas be6n turned OFF for less than thrso minuter. becareful not to bump the SRS unit; the airbags couldaccidontally deploy and causo damage or iniurias.
\
RIGXT SIOE WIREHARNESS2P
FRONTPASSENG€R'S
SRS SIMULATORLEAD C07lAz - s2501 1Aand SRS INFLATORSIMULATOR
t2 0 JACKTo?saz - Taaol 1A
Try to roproduco th. SRS indicrtor tighi: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.
Doe3 the SRS indicator light stay on?
YESNO
Int€rmittent t.ilurG, syst.m is OK at thi! timo. So€Troubleshooting Inte.mift€nt Failure3 on psqa 2+28.
Chcck Ior a shon to ground in the trodt pars€nge/s lert behtensionea:1. Disconnect the negative battery cable, and wait for threemrnutes.2. Disconnect the front passenger's seat belt tensioner 2pconnector trom the right side wire harness 2p connector(see page 24-23). Do not disconnect the driver's seat bektensioner 2P connector.3. Connect the special tool (2 0) to the right side wire har-ness 2P connector,4. Reconnect the negative battery cable.5. Erase the DTC memory lsee page 24-28).6. Read the DTC (seo page 24-26!-.
k DIC G5 indicated?
NOYES
Short to ground in the Lont passengc.'3 3€rt boh ton-sioner; replace tho from p.rlenger's sort beh ls€a page21-3t.
To page 24-81
24-80
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From page 24'80
Check lor a short to ground in the sido wir€ harness:1. Disconnect the rightsidewire 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 memorv.4. Read the DTC.
b DTC 4-5 indicrtad?
YESNO
Short to ground in the right side wire harness; replac.the harne3!.
Check tor a short io ground in the SRS main ha.nessi1. Disconnect the negative battery cable, and wait for threeminotes,2. Disconnect the driver's and front passenger's airbags,and driver's seat belt tonsioner connectors (see page 24-231.3. Disconnect the SRS main harness 18P connector from
4. Disconnect the special tool (2 0) from the SRS main har-ness 2P connector.5. Check resistance between the No. 5 terminal oI the SRSmain harness 18P connector and body ground, andbetween the No. 12 terminal of the SRS main harness18P connector and body ground. There should be 1 M0or more,
b th€ re3i3tance as specified?
NOYES
Faulty SRS unit replace the SRS unit {see pace 2a-951.
Short to ground in the SRS main harness; replace the SRSmain harnoss.
RIGHT SIDE WIREHARNESS2P CONNECTOR
SRS MAIN HARNESS2P CONNECTOR
SRS SIMULATORLEAD C07TAz - SZ5011Aand SRS INFLATORSIMULATOR \{2 0 JACK} \07SAZ-TB,O114 \I
ffi
)
SRS MAIN HANNESS18P CONNECTOR
24-81
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Troubleshooting
DTC 8-6 -'97 model
CAUTION: Whonever th€ ignition switch is ON fll). olhas b€en turned OFF for les3 than thro€ minutes, becaretul not to bump the SRS unit; tho airbags couldaccidentally deploy and cause damage or iniurios.
Besides indicating an abnormality in the SRS unit, DTC8-6 may also indicate that two problems equivalent toDTC 1-1 and 2-4, 'l-4 and 2-1, or 1-4 and 2-4 occurred atthe same time. Proceed in the order shown below.
18P CONNECTOR
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Chock the SBS main harnGs:1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the driver's airbag and front passenger,safrDag connectors {see page 24-23).3. Disconnect the SRS main harness t8p connector fromthe sRs unit.4. Reconnect the battery posative cable, then reconnect thenegative cable.5. Turn the ignition switch ON 0t).6. Connect a voltmeter and measure voltage between theNo. 10 terminal ot the SRS main harness l8p connectorand ground, and between the No. 14 terminal and qround.There should be aDorox.0-0.5 V.
Are voltages as specitied?
NOYES
Shon to power in tho SRS main harness; reglace the SRSmain harn€63.
Chock the SRS mein harnels and the cable re€l:Connect a voltmeter and measure voltage between the No. 1terminal of the SRS main harness l8p coonector andground, and between the No. 13 terminal and ground. Thereshould be approx.0 0.5 V.
Are voltages as specifiod?
YESNO
Faulty SRS unit; replace the SRS unit {sae pago 24-951.
To page 24-83 (A)
24-82
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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.
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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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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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)o
NOTE:
. Before installing the steering wheel, the front
wheels should be aligned straight ahead.
. Be sure to install the harness wires so that they
are not pinched or interfering with other parts.
. After reassemblv, confirm that the wheels are
still turned straight ahead and that the steering
wheel spoke angle is correct (road test). lf minor
spoke angle adjustment is necessary, do so only
by adjusting the tie-rods, not by removing and
repositioning the steering wheel,
11. Set the cancel sleeve so that the projections are
aligned as shown.
PR(NECNONS
I l: 38 - 00 models
Carefully install the cable reel on the steering col-
umn shaft. Then connect the 3P t6Pl connector to
the cable reel sub harness, and connect the 2P con-
nector to the SRS main harness.
RIC
t
VEAL
)...0
't2.
24-93
13.
14.
Install the steering column covers.
lf necessary, center the cable reel. {New replace-
ment cable reels come centered,l Do this by first
rotating the csble reel clockwise until it stops, Then
rotate it counterclockwise (approximately two and a
half turns) until the arrow mark on the cable reel
label points straight up.
Install the steering wheel on to the steering column
shaft, making sure the steering wheel shaft engages
the cable reel and canceling sl€eve. Do not tap on
the steering wheel or steering column shaft when
installing the steering wheel.
(cont'd)
t5.
CABLE REEL
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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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