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

No DTC
CAUTION: Whenever the ignition switch is ON {lll, ol
has been tulned OFF for less than three minutes, bs
careful not to bump the SRS unit; the airbags could
accidenially deploy and cause damago or iniuries.
UNDER-DASHFUSE/RELAY BOX
)
SBS MAIN HARNESS18P CONNECTOR
)(cont'd)(B)
To page 24-48
Ch€ck the fuse:1. Turn the ignition switch OFF.2. Check for blown No. 13 ('15 A) fuse in the under-dashIuse/relay box.
b th€ fuse OK?
YEs NO
1A) To page 24 48
Replace the fuse. Turn the ignition switch ON {ll), and check
that the luse doesn't blow.
ls the fuse OK?
YESNO
The probl€m has disappeared. Ted{rive the v€hicle and
see Troubfeshooting Intermittont Failurea on page 21-28.
Check Ior short to ground between tho underdash tuse/
relay box and the SRS unil.1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then disconnect
the positive cable, and wait for three min utes.
3. Disconnect the driver's and front passenger's airbag con-
nectors, and disconnect the seat belt tensioner connectors(see page 24-23).4. Disconnect the SRS main harness l8P connector from
the sRs unit.5. Check resistance between the No. 7 terminal of the SRS
main harness 18P connector and ground.
There should be 1 M0 or more.
ls the .esistanco as soecified?
YESNO
Faulty SRS unit; replace lhe SRS unit {see page 24-951.
No. 13 (r5 Al FUSE
SRS MAIN HARNESS 18P CONNECTOR
24-47
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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
J3
24-48
-a
1
J
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)
UNDER-DASHFUSE/RELAY BOX
)c801
SRS MAIN HARNESS2P CONNECTOR
)
From page 24-48
Check tor an open in the SRS main harne$:1. Turn the ignition switch OFF.2. Disconnect the SRS main harness 2P connector lrom theundeFdash fuse/relay box.3. Check resistance between the No. 1 terminal of the SRSmain harness 2P connector and the No. 7 terminal of theSRS main harness l8P connector.There should be 0 - 0.5 O.
ls the re3istanc€ as soecitiod?
YESNO
Poor contact at iho SRS main harnoss 2P connoctor;check thg connocior.. lf the connector is OK. substitute a known-good under-da3h fuse/rolav box, and .echeck.'lf tho probl€m is still present. replace tho SRS mainharne3s.
Opon in the SRS main ha.ness; replace the SRS main harness.
SRS MAIN HARNESS lEP CONNECTOR
24-49
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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.
\
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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Troubleshooting
DTC 9-2 -'97 model lcont'dl
UNDER.OASHFUSE/RELAY BOX
SRS MAII{ HARI{ESS2P CONNECTOR
24-86
From page 24-85
Check for an open in the SRS main harness:1. Turn the ignition switch OFF.2. Disconnect the SRS main harness 2p connector from theunder-dash fuse/relay box.3. Check resistance between the No. 2 terminal of the SRSmain harness 2P connector and the No. 3 terminal of theSRS main harness 18P connector.There should be 0-0.5 0.
ls th6 resistance as soecified?
YESNO
Poor contact at the SRS main harness 2p connector;check tho connector,. lf the connector i3 OK, substituto a known-good und€r-dash fuse/relay box, and recheck.. lf the problem is still present, roplace the SRS mainnatness,
Open in the SRS main harn$s;.eplace the SRS main har-ness.
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