1997 HONDA CR-V air con

Troubleshooting
From page 24-35
Check lhe wire harness otthe SRS indicator light circuit l2l:L Turn the ignitjon switch OFF.2. Disconnect the SRS main harness 3p connector from themain wire harness.3. Connect a voltmeter between the No. I terminal (+) ofthe SRS main harness 3P connector and qround.4. Turn the ignition switch ON (ll), and measure voltaqe.
ls there 8.5 V o. less tor six seconds atter the ignitionswitch has been turned ON
Short to power in th€ BLU wire of the main wiro halno3s;
Check th€ wire hahess of th6 SRS indicator ci.cuit {31:1. Turn the ignition switch OFF.2. Disconnect the battery negative cable, then the positivecable, and wait three minutes.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 18p connector from
5. Reconnect the battery positive cable, then reconnect thenegative cable.6. Connect a voltmeter between the No. 6 terminal (+) ofthe SRS main harness 'l8P connector and ground.7. Turn the ignition switch ON (ll), and measure voltage. Thereshould be 0.5 V or less.
Short to power in the BLU wire oI the SRS main harngas;
The SRS Indicator Light Doesn't Come On (cont,dl
'97 modol:
J
MAIN WIRE HARNESS3P CONNECTOR
UNDER.DASHFUSE/RELAY BOX
'98 - 00 models:
SRS MAIN HARN€SS3P CONNECTOR
MAIN WIRE HARNESS3P CONNECTOR
SRS MAIN HARNESS3P CONNECTOR
SRS MAIN HARNESS3P COI{NECTOB
FUSE/RELAY BOX
c803
SRS MAIN HARNESS18P CONNECTOR
24-36
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The SRS Indicator Light Doesn't Go Off -'97 model
CAUTION: Whenever th€ ignilion switch i3 ON (lll, ol
has been turn€d OFF for less than three minutes, be
careful not to bump the SRS unit; the airbags could
accidenially deploy and cause damag€ or iniuries.
Try to reproduce the sRs indicator light:
1. Erasethe DTC memory (see page 24 28)
2. Turn the ignition switch ON {ll), and check that the SRS
indicator light comes on for about six seconds and thengoes off.
Doe3 the SRS indicator light slay on?
YESNO
Intermiftent ftilure, system is OK at this time. S€o Troubl€_
shooting Intermittent Failutes on p.ge 24_28.
Check the No. 13 (15 Al fuse:'L Turn the ignition switch OFF.
2. Check for blown No. 13 (15 A) fuse in the under dash
fuse/relay box.
ls lhe tuse OK?
YESNO
Replace the luse, and err3e the memory'1. Replace the No. 13(15A)fuse2. Erase the DTc memory (see page 24-28).
3. Turn the ignition switch ON (ll).
ioes the SRS indicatol light go off after 3ix s6conds?
YESNO
ENO
Confirm tho OTC, and continue ttouble3hooting.
Check for an open in the SRS main hatn€ss {VA lins}:
1. Disconnect the batterY negative cable, then disconnect
the positive cable, and wait for three minutes.
2. Disconnect the driver's and front passenger's airbag con
nectors (see page 24-23).
3. Disconnect the SRS main harness 18P connector from
the sRs unit.4. Reconnect the battery positive cable, then reconnect the
negative cable.5. Connect a voltmeter between the No. 7 terminal (+) ot
the SRS main harness l8P connector and 9rouncl6. Turn the ignilion switch ON {ll).
ls there battory voltage?
YESNO
Ooen in the SRS main harness {VA line); replace the
natnoss.
(A)
No. 13 115 Al FUSEUNOER.DASHFUSE/RELAY BOX
)
SRS MAIN HARNESSr8P CONNECTOR
SRS MAIN HARNESS 18P CONNECTOR
(cont'd)
24-37
SRS UNIT
To page 24 38
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Troubleshooting
The SRS Indicator Light Doesnt Go Off -'97 model {cont'dl
From page 24-38
1C)
Check for a short to ground in tho main wire ha.n.3s:1. Disconnect the dashboard wire harngss 24p connectorfrom the main wire harness,2. Check resistance between the No. 5 terminal of the dash_board wire harness 24P connector and ground. Thereshould be 1 M0 or more.
Short to ground in tho deshbosrd wire harne.r; raD.irthe dashboard wiro harness.
Check tor a short to ground in tho SRS main hfina3!:1. Disconnect the SBS main harness 3p connector from themaan wire harness.2. Check resistance between the No. 1 terminal of the SRSmain harness 3P connector and ground. There should be1 MO or more.
Short to ground in tho main wire harnesr; ,opair th6main wire hamoss.
Short to ground in the SRS main hsrn6sa;.oplac. thc SRSmain harn6ss.
i,
MAIN WIREHARNESS 24P CONNECTOR
DASHBOARD WIRE HAff{ESS24P COi{NECTOR
OASHBOARD WIREHARNESS24P CONNECTOR
BLU
)
MAIN wlRE HARNESS3P CONNECTOB
SRS MAIN HARNESS3P CONNECTOR
UNDER.OASHFUSE/RELAY BOX
SRS MAII{ HARI{ESS3P CONNECTOR
cao3
)r
24-40
Wire side of femalet6rminals
-1
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)
From page 24-39(D)
DASHBOARD wlRE hARNESS
5P CONNECTON
DASHBOARO WIRE HARI{ESS
5P CONI{EC'OR
)From page 24-39iE)
c509
Terminal side of male lerminals
SRS MAIN HABN€SS3P CONNECTOR
)
Check the SRS indicator circuit input voltage:
1. Reconnect the SRS main harness 18P connector to the
SRS unit2. Connect a voltmeter between the No 1 terminal (+) of
the dashboard 5P connector and ground.
3. Turn the ignition switch ON (ll), wait for six seconds,
then measure voltage
fs there 8.5 V or more? -
YESNO
The oroblem hts disappoared due to disconnocting and
connecting the connectors. Be 3ure all terminals make
good contact, and rocheck the system {see Trouble'
shooting Intermittent Failur6 on pagg 2'l-281'
Pool contacl at the SRS main harness 18P connector; check
the connector.. lf the connoctor is OK. aubstituta a known-good SRS unit,
and recheck.. ll the problem is still present, replaco the SRS main h'r-
ness.
Check for an oPen in the dashboard wire hatn8s:
1. Disconnect the main wire harness 24P connector Irom
the dashboard wire harness
2. Check resistance between the No. 6 terminal of the SRS
main hamess 18P connector and No 5 terminal otthe main
wire harness 24P connector; there should be 0- 1 0 O
15 the resistance.s specified?
YESNO
ODen in the BLU wire ot the dashboard wit6 harness;
rep.ir the dashboald wite harness.
Check for an open in the main wirc harness:'1. Disconnect the SRS main harness 3P connector from the
main wire harness,2. Check resistance between the No. 6 terminal of the SRS
main harness 18P connector and No 1 terminal ofthe SRS
main harness 3P connector;there should be 0 - 1 0 u
|3 lhe re3istance as sPecifiod?
YESNO
Oo€n in the BLU wire ol the main wire harness; rcpair
tha main wire harness
Op€n in the SRS main harn4s; replace the SRS msin har'
no3s.
24-41
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Troubleshooting
The SRS Indicator Light Doesnt Go Off - ,99 - 00 models
CAUTION: Whenever the ignition switch is ON {lll, orhas been turnod OFF for less than three minutes, becareful not to bump the SRS unit; the airbags couldaccidentally deploy and cause damage or iniuries.
T.y to reproduce the SRS indicator tight:1. Erase the DTC memory (see page 24-28).2. Turn the ignition switch ON { }, and check that the SRSindicator light comes on for about six seconds and thengoes off.
Does the SRS indicator tight stey on?
NOYES
Intermittent failure, system b OK at this time. 56€ Trouble-shooting Inle.mittent Failures on page 24-2g.
Check the No. 23 (10 Alfuse:1. Turn the ignition switch OFF.2. Check for blown No. 23 flO A) fuse in the under dashluse/relay box.
ls the fuse OK?
YESNO
Repl.ce the tuse, and erase the memory1. Beplace the No. 23 (10 Ai fuse.2. Erase the DTC memory (see page 24-28).3. Turn the ignition switch ON flt).Does the SRS indicator light go ott after six secondt
YES NO
I
END
Conti.m tha DTC, and continue troubl*hooting.
Chock for an open in the SRS main harness (Vg line):1. Disconnect the battery negative cable, then disconnectthe positive cable, and wait for three minutes.2. Disconnect the driver,s and front passenger,s airbag con_nectors, and discoonect the seat belt tensioner connectors(see page 24-23).3. Disconnect the SRS main harness 18p connector fromthe sRs unit.4. Reconnect the baftery positive cable, then reconnect thenegative cable.5. Connect a voltmeter between the No. 3 terminal (+) ofthe SRS main harness 18p connector and oround.6. Turn the ignition switch ON 0l).ls there battery voltage?
YESNO
Open in the SRS main harness (VB line); replaco thenatness,
(A)
To page 24 43
tl-
24-42
No. 23 110 Al FUSE
FUSE/RELAY BOX
SRS MAIN HARNESS 18P CONNECTOR
|\
-1
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Chock fo. a short to glound in tho main wire harn63:
1. Disconnect tho dashboard wire harnoss 24P connector
from the main wire harness.2. Check resistance between the No 5terminal oIthedash-
board wire harness 24P connector and ground. There
should bs 1 Mo or more.
Short to ground in tho dashboatd wilo harnots; repair
Chcck for a short to ground in the SRS main harnoss:
1. Disconnect the SRS main hart\ess 3P connector {rom the
main wire harness,2. Check resistance between the No. 1 terminal of the SRS
main harness 3P connector and ground. There should be
1 MO or more.
Short to ground in the mlin wire harnoss; .epair lh€
mlin wira harness.
Short to ground in thc SRS mtin hemess; replace tho SRS
J
From page 24-431C)
MAIN WIREHABNESS 2,lP CONNECTOR
OASHBOARD WIRE HARI{ESS
24P CONNECTOR
OASHBOARD WIREHARNESS2,rP CONNECTOR
BLU
)
MAIN WIRE3P CONNECTOR
cToR FUSE/RELAY BOX
SRS MAIN HARNESS3P CONIIECTOR
c803
)(cont'd)
24-45
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Troubleshooting
The SRS Indicator Light Doesn't Go Off -,99 - 00 models (cont,d)
Frcm page 24-44{D)
Ch€ck the SRS indicator circuit input voltage:1. Reconnect the SRS main harness 18p connector to theSRS unit.2. Connect a voltmeter between the No. 1 terminal {+) ofthe dashboard 5P connector and ground.3. Turn the ignition switch ON {ll}, wait for six seconds,then measure voltage.
ls there 8.5 V or more?
YESNO
The problem has disapp€ared due to disconnecting andconnecting tho connectors. Be sure all terminals makegood contact, and .echeck the system {seo Troublo_shooting Intermiftent Failures on page 2it-2E).
Poo. contact at the SRS main harn8s 18p connector; checkthe connector.. lf the connoctor is OK, aubstitute a known-good SRS unit,end recheck.. lf the problem is still present, .6place tho SRS m.in har-ne33.
Ftom lage24-44(E)
J)
DASHEOARD WFE HARNESS5P CONNECTOR
c5ott
Wire side of lemaleterminals
J
Torminal side ol male termtnal
ca03
SRS MAIN HARNESS18P CONNECTOR
c806
SRS MAIN HARNESS3P CONNECTOR
DASHBOARD WIRE HARNESS
Check for an open in the dashboa.d wire harnessi1. Disconnect the main wire harness 24p connector fromthe dashboard wire harness.2. Check resistance between the No. 6 terminal of the SRSmain harness 18P connector and No. S te.minal of the mainwire harness 24P connector; there should be 0 - 1.0 0.
ls th€ resistance rs speciliedT
YESNO
Open in the 8LU wi.o ol the dashboard wire hrmess:repair the dashboard wire ha.ness.
Check fo. an open in the m.in wire hamess:1. Disconnect the SRS rnain harness 3p connector from themain wire harness,2. Check resistance between the No. 6 terminal of the SRSrnain harness 18P connector and No. 1 terminal of the SRSmain harness 3P connector;there should be 0 1.0O.
b the rGbtanco as sDecified?
NOYES
Open in the BLU wir6 of th6 main wire hernos3; reori.the main wire hamess,
Open in the SRS main harness; r€place the SRS main ha.-noss.
24-46
--
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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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