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

Troubleshooting
DTC 3-1 and DTC 3-2
CAUTION: Whenever the ignition switch is ON flll, orhas been turned OFF for less than three minutes, b€careful not to bump th€ SRS unit; the airbags couldaccidenlally deploy and cause damage or iniuries.
DRIVER'SSEAT BELT TENSIONERLEFT SIOE WIREHARNESS2P CONNECTOR2P CONNECTOR
-
\
SRS SIMULALEAD C07TAZ - SZ501rAand SRS INFLATORSTMULAToR It2 0JACKI IoTsaz - TB4ot lA t
24-66
Try to reproduce the SRS indicatoi light:1. Erase the DTC memory (see page 24-29).2. Turn the ignition switch ON 1 ), and check that the SRSindicator light comes on for about six seconds and thengoes off.
Does the SRS indicaior lighr stay on?
YESNO
Intermittent failure, system is OK at this time. SeeTroubleshooting lfiermittent Failu.6s on page 24-28.
Check tor an open in the driver's seat b6lt tensioner:1. Disconnect the negative battery cable, and wait lor threeminutes.2. Disconnect the drave/s seat belt tensioner 2p connectorfrom the left side wire harness 2P connector (see page24-23). Do not disconnect the lront passenger,s seat belttensioner 2P connector.3. Connect the special tool {2 O) to the left side wire harness2P connector,4. Reconnect the negative baftery cable5. Erase the DTC memory {see page 24,28).6. Read the DTC (see page 24-26).
ls OTC 3-1or DTC 3-2 indicatedT
YESNO
Open or increased resistance in the d.iver's seat belt ten-sioner; replace the driver's seat belt {see page 2il-91).
To page 24 67
www.emanualpro.com

)
LEFT SIDE WIREHARNESS2P CONNECTOR
SRS MAINHARNESS2P CONNECTOR
C
00
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLATOR
{2 0 JACKI07sAz - T84011A
art)
sRsUNIT
SRS MAIN HARNESS.I8P CONNECTOR
)
From page 24-66
Check for an oFn in thc aide wir6 harne$:1. Disconnect the left side wire harness 2P connector fromthe SRS main harness 2P connector.2. Connect the special tool (2 o) to the SRS main harness2P connector.3. Erase the DTC memory.4. Read the DTC.
ls DTC 3-l or DTC 3-2 indicated?
YESNO
Ooen or incrers€d reeidance in the lelt side wire hame3s;r€Dlaca the hamess.
Check for an open in the SRS main harness:1. Disconnect the negative battery cable, and wait for threeminutes.2. Disconnect the driver's and front passenger's airbags,and front passenger's seat belt tensioner connectors (see
page 24-231.3. Disconnect the SRS main harness 18P connector from
the SRS unit. Do not disconnect the special tool (2 O)from the SRS main harness 2P connector.4. Check resistance between the No. 4 and No. 11 terminalsof the SRS main harness 18P connector. There should be2.0 - 3.0 0.
13lhe resistance as soecified?
NOYES
Faulty SFS unil or poor contad at the SRS main h.m€ss18P connector and th€ SRS unit. check the connectionbetween the SRS main harn$s 18P connector and theSRS unit. lf the connector i3 OK. r€Dlaco ihe SRS unit(s66 pas6 24-951.
ODen or incaoased resistance in the SRS msin harness;reolace the SRS main harn€ss.
terminals
24-67
www.emanualpro.com

Troubleshooting
DTC 3-3
CAUTION; Whenever the ignition switch is ON llll, or
has b€on turned OFF for l6ss than three minutes, be
carelul not to bump the SRS unit; the airbags could
accidontally deploy and cause damage or iniuries.
ORIVER'SSEAT EELT TENSIONER2P CONNECTOR
SRS SIMULATORLEAO C07TAZ-525011Aand SRS INFLATORsrMULAroR It2 0 JACK| tozsAz - ls{orra !
s
Try to r€produce the SRS indicator light:1. Erase the DTC memory (see page 24-28).2. Turn the ignition switch ON (lll, and check that the SRSindicator light comes on for about six seconds and thengoes off.
Does the SRS indicator lighl stay on?
YESNO
Intarmittent failure, system is OK at this time. 506Troubl€shooting Intormittant Failures on paqe 24-28.
Check tor a 3hort to anoth€r wire or decreased resistance inihe driver's seat bolt tan3ioneri1. Disconnect the negative battery cable, and wait for threeminutes,2. Disconnect the driver's seat belt tensioner 2P connectorfrom the left side wire harness 2P connector (see page24-23). Do not disconnect the front passenger's seat belttensioner 2P connector,3. Connect the special tool (2 O) to the left side wire harness2P connector.4. Reconnect the negative battery cable5. Erase the DTC memory (see page 24-28).6. Read the DTC (see page 24.26l'.
ls DTC 3-3 indicated?
NOYES
Short to another wire or decreased.esistance in thedriver's s6at beh tcnsioner; replac€ the diive.'s seat bolt{se€ prge 24-911.
To page 24 69
24-64
LEFT SIDE WIREHARNESS2P CONNECTOB
ra
www.emanualpro.com

From page 24-68
Check lor a short to another wire or decreased reaistance inthe side wire harnoss:1. Disconnect the left side wire harness 2P connector tromthe SRS main harness 2P connector.2. Connect the special tool (2 0) to the SRS main harness2P connector.3. Erase the DTC memory.4. Read the DTC.
ls OTC 3-3 indicated?
YESNO
Short to another wire or decrcased resbtance in the le-hside wire harness; reglace the harneas.
Check lor a 3hort to another wire or dec.eased resistance inthe SRS main ha.ne$:1. Disconnect the negative battery cable, and wait for threeminutes,2. Disconnect the driver's and front passenger's airbags,and front passenger's seat belt tensioner connectors (seepage 24 23l'.3. Disconnect the SRS main harness 18P connector fromthe SRS unit.4. Disconnect the special tool (2 O) from the SRS main harness2P connector.5. Check resistance between the No. 4 and No. 11 terminals ofthe SRS main harness 18P connector. There should be1 M0 or more.
ls the resistanc€ as soocified?
NOYES
Faulty SRS unit; replace the SRS unit lso€ paqe 24-95).
Short to another wire or decr€asod rosistanco in the SBSmain harness; replace the SRS main harness.
\.p
LEFT SIDE WIREHARNESS2P CONNECTOR
SRS MAINHANNESS
C0a
2P CONNECTOR
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLAToRSIMULATOR{2 0 JACK}07sAz - TB4011A
IJ
SRS MAIN HARNESS18P CONNECTOR
SRS UNIT
lerminals.
IJ
t,rutEr-
24-69
www.emanualpro.com

Troubleshooting
DTC 3-4
CAUTION: Whenever the ignition switch is ON (lll, ol
has been turned OFF for l6ss than thr6e minutes, b€
careful not to bump the SRS unit; lho airbags could
accidentally deploy and caus€ damage or iniuries.
{
DRIVER'SSEAT BELT TENSIONER2P CONNECTOR
LEFT SIDE WIREHARNESS2P CONNECIOR
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLATORSIMULATOR I{2 o JACK} Iozsaz - tamrrl i
Try lo reproduco th6 SRS indicator light:1. Erasethe 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 thenooes off,
Doe3 the SRS indicator liqht stav on?
NOYES
Intcrmitt.nt f.ilur., iystem is OK at this time. SoeTroubla3hooting Intermittent Failurca on Dage 24-28.
Checklor a shortlo Dowar in the driver'3 3€at beh tonsioncr:1. Disconnoct the negative battery cable, and wait for threeminutes.2. Disconnect the driver's seat belt tensioner 2P connectorfrom the left side wire harness 2P connector (see page24 23). Do not disconnect the front passenger's seat belttensioner 2P connector,3. Connect the special tool {2 0) to the left side wire harness2P connector.4. Reconnect the negative battery cable.5. Erase the DTC memory {see page 24-28).6. Read the DTC (see page 24-26).
ls DTC 3-4 indicsted?
NOYES
Short to powar in the d.iver's seat belt tensioner;replace the d.iver's seat belt tensione. {3ee pago 2il-31.
To page 24'71
24-70
www.emanualpro.com

)
From page 24-70
Chock tor a short lo power in the sid€ wi.e harness:1. Disconnect the left side wire harness 2P connector fromthe SRS main harness 2P connector.2. Connect the sDecial tool {2 O) to the SRS maan harness2P connector,3. Eraso the DTC memory.4. Read the DTC.
b DTC 3-4 indiclted?
NOYES
Short to power in the left side wire ha.n6ss; replece thenarness.
Check for a short to power in the SRS mein harness:1. Disconnect the negative battery cable, and wait for threemrnutes.2. Disconnect the driver's and lront passenger's airbags,and front passenger's seat belt tensioner connectors (seepage 24-231.3. Disconnect the SRS main harness 18P connector tromthe SRS unit.4. Disconnectthe specialtool(2 0)from the SRS main harness2P connector, then reconnectthe negative battery cable.5. Turn the ignition switch ON (lll.6. Check lor voltage between the No. 4 terminal ol the SFSmain harness '18P connector and body ground. Thereshould be 0.5 V or less. Check for voltage between the No.11 terminals ol the SRS main harness 18P connector. Thereshould be 0.5 V or less.
ls tho voltage as specffied?
YESNO
Faulty SRS unit; replace tho SRS unit lsee paqe 24-95).
Short to power in the SRS m.in harness;.eplace the SRSmain hame3a.
LEFT SIDE WIREHARNESS2P CONNECTOR
SRS MAINHARNESS
h
(
C
00
2P CONNECTOR
SRS SIMULATORLEAO C07TAZ - SZ5011Aand SRS INFLATOR
(2 0 JACKI07SAZ - TB/t011A
)
SRS MAIN HARNESS18P CONNECTOR
)
24-71
www.emanualpro.com

Troubleshooting
DTC 3-5
CAUTION: Whonover tho ignition switch is ON (ll), or
has been turned OFF for less than thres minutes, b€
careful not to bump the SRS unit; the airbags could
accidontally deploy and cause damsgo or iniurirs.
*r
DRIVER'SSEAT BELT TENSIONER
SRS SIMULATORLEAD C07TAZ-S25011Aand SRS INFLATORSIMULATOR \(2 0 JACK' Iozsnz -teronl t
Try to reproduco the SRS indioto. light:1. Erase the DTC memory (s66 pag6 24-28).2. Turn the ignition switch ON (ll), and check that the SRSindicator light comos on Ior about six seconds, and thengoes off.
Do€. the SRS indicsto. light 3tav on?
YESNO
lnto.mitlont hilure, ryltom is OK at thia timc. SesT.oubleshootinq Intermittont Failuros on page 2+28.
Ch€ck for a short to ground in the djivoi's soat b6h tonsioner:1. Disconnect the negative battery cable, and wait tor threemtnutes.2. Disconnoct the driver's seat belt tensioner 2P connectorIrom the l€ft side wire harness 2P connector (see page24-23). Do not disconnect the front passenger's seat belttensioner 2P connector.3. Connect the special tool (2 0) to the left side wire harness2P connector,4. Rgconnect the negative battery cable.5. Erase the DTC memory (see page 24-28).6. Read the DTC (see page 21-26).
ls DTC 3-5 indicated?
YESNO
Short to ground in the driver's soai belt tensioner;repllce the driver'3 seat belt ls€e Daq6 24-31.
To page 2a-73
24-72
www.emanualpro.com

)
LEFT SIDE wlREHARNESS2P CONNECTOR
SRS MAINHARNESS

(
C
00
2P CONNECTOR
SRS SIMULATORLEAD C07TAZ - SZ5011Aand SRS INFLATORSIMULATOR
/ (2 o JACK)
/ 07sAz - TB4o11A
I
)
SRS MAIN HABNESS18P CONNECTOR
)
Frcm page24-12
Check lor . short to ground in lhe lido wire hrrnassi1. Disconnect the l€lt side wiro hamess 2P connector fromthe SRS main harness 2P connector.2. Connect the special tool (2 0) to the SRS main harness2P connoctor.3. Erase the DTC memory.4. Read the DTC.
Short to ground in the lolt side wi.e harno3s; .eplsce thehamer3.
Check for a short to ground in tho SRS main harna+t:1. Disconnect tho negative battery cable, and wait for threemtnutes.2. Disconnect the drive/s and front passenger's airbags,and front passenger's seat bolt tensioner 2P connectors(see page 24-231.3. Disconnect the SRS main harness l8P connector fromthe SRS unit.4. Remove the spacialtool {2 0) from the SRS main hamess2P connector,5. Check resistance between the No. 4 terminal of the SRSmain harness 18P connector and body ground, andbetween the No. ll terminals ofthe SRS main harness18P connector and body ground. There should be 1 M0or more.
Short to ground in the SRS m.in hrrnar3; roplaco tho SRSmein hamoSs.
24-73
www.emanualpro.com

Troubleshooting
DTC 4-1 and DTC 4-2
CAUTION: Whenever tho ignition 3witch is ON (ll), ot
has boen turn€d OFF for less than thro6 minutos, bo
car€ful not to bump ihe SRS unit; the airbags could
accidentally deploy and causo damage or iniurios,
!|
RIGH1 SIDE WIREHARNESS2P CONNECTOR
FRONTPASSENGER'S
Try to roproduca the SRS indicator light:1. Erase the DTC momory (see page 24'28i.2. Turn the ignition switch ON (ll). and check that the SRSindicator light comes on for about six seconds. and thenooes off,
Does the SRS indicator lisht stay on?
YESNO
Intermittent failure, syatem i3 OK at this tim6. SooTrouble3hooting Inta.mittent Failuros on page 24-28.
Ched( for an open in the front p.ssongo/s 3eat bolt teruiona.:1. Disconnect the negative battery cable, and wait for threemrnutes.2. Disconnect the front passenger's seat belt tensioner 2Pconnector from the right side wire harn€ss 2P conneclor(see page 24-23). Do not disconnect the driver's seat belttensioner 2P connector.3. Connect the special tool (2 O) to the right sido wire har-ness 2P connector.4. Reconnect the negative battery cable.5. Erase the DTC memory lsee page 24 28).6. Read the DTC (see page 24'26).
k DTC 4-1 or DTC 4-2 indicatodT
YESNO
Open or increaaad resistance in lhe tront pa$enger'sseat belt tensioner; roplace the front p.s3engar's 3eatbelt lsee p.ge 24-31.
fo page24-75
24-74
SRS SIMULATORLEAD C07TAZ - SZ5n11Aand SRs INFLATORSIMULATOR
/iz o.ncri
f ozsAz - T8.011Ao
www.emanualpro.com

)
Ftom page 2!-7 a
Check lor .n oo.n in the side wire hsrness:1. Disconnect the right side wire harness 2P connector fromthe SRS main harness 2P connector.2. Connect the special tool (2 Oi to the SRS main harness2P connector.3. Erase the DTC memory.4. Bead the DTC.
ls DTC 4-1 or DTC 4-2 indicated?
NOYES
Open or inc.oased resistance in th€ right side wire har-ness; replace the harness.
Check tor an open in the SRS main harness:1. Disconnect the negative battery cable, and wait for threemtnutes.2. Disconnect the driver's and front passenger's airbags,and driver's seat belt tensioner connectors (see page 24-23\.3. Disconnect the SRS main harness 18P connector fromthe SRS unit. Do not disconnect the special tool (2 0)from the SRS main harness 2P connector.4- Check resistance between the No. 5 and No. 12 terminalsof the SRS main harness 18P connector. There sho!ld be2.0 - 3.0 0.
ls the resistanca as soecified?
NOYES
Faulty SRS unit or poor contact at the SRS main harne3s18P conneclor and the SRS unit, check the connestionb€tween the SRS main harness 18P conn€ctor and th6SRS unit. lf the connector is OK, reDlace the SRS unit{see page 24-951.
Open or increesed resistanco in the SRS main h.rnes3;replace the SRS main harness.
RIGHT SIDE WIREHARNESS2P CONNECTOR
SRS MAIN HARNESS2P CONNECTOR
SRS SIMULATORLEAD C07TAZ - SZ5011A.nd SRS INFLATORSIMULATOR(2 0 JACK)07sAz - TB4011A
)"r$
SRS MAIN HABNESS18P CONNECTOR
)
le.minals.
24-75
www.emanualpro.com