1998 HONDA CIVIC Short to ground

)Diagnostic Trouble Code (DTC) Chart -'98 - 00 Models
NEC SRS Unit
Ir
SRS indicator lightDTCPossible causeCorrestive actionSee page
doesn't come on
none
(doesn't
come on)
Faulty SRS indicator light circuitTroubleshooting24-26
comes on
none*3
(doesn't
go off)
Faulty SRS indicator light circuit, internal
fallure of SRS unit, faulty SRS power supply
(VB line)
Troubleshooting24-34
No DTC*3(lis ht
comes on
after self-
diagnosis)
Faulty SRS power supply (VA linelTroubleshooting24-39
l-1Open in the driver's airbag inflator
Troubleshooting
24 42
Increased resistance in the driver's airbag
inflator24-42
Short to another wire in the driver's airbag
inflator or decreased resistance24-44
't -4Short to power in the driver's airbag inflator24-46
t-5Short to ground in the driver's airbag inflator24-48
With front passenger's airbag:
Open in the passenger's airbag inflator
Without front passenger's airbag:
Open in the dummv resistor
24-50
24-54
With front passenger's airbag:
Increased resistance in the passenger's airbag
inflator
Without front passenger's airbag:
Increased resistance in the dummy resistor
24-50
24-58
with front passenger's airbag:
Short to another wire in the passenger's
airbag inflator or decreased resistance
Without front passenger's airbag:
Short to another wire in the dummy resistor
or decreased resistance
Troubleshooting
24-52
24,59
2-4
With front passenger's airbag:
Short to power in the passenger's airbag
inflator
Without front passenger's airbag:
Shon to power in the dummy resistor
24-54
24-60
With front passenger's airbag:
Short to ground in the passenger's airbag
inflator
Without front passenger's airbag:
Short to ground in the dummy resistor
24-56
24-61
(cont'd)
24-19
l,

)r
l,.l
I
KEIHIN SRS Unit
SRS indicator lightDTCPossible cau3eCorrective astionSee page
doesn't come on
none
(doesn't
come on)
Faulty SRS indicator light circuitTroubleshooting24-26
comes on
none*3
(doesn't
go offl
Faulty sRs indicator light circuit, internal
failure of SRS unit, faulty SRS power supply
{VB line)
Troubleshooting24-34
Open in the driver's airbag inflator
Troubleshooting
24-42
1-2Increased resistance in the driver's airbag
inflator24-42
1-3Short to another wire in the driver's airbag
inflator or decreased resistance24-44
1-4Short to power in the driver's airbag inflator24-46
1-5Short to ground in the driver's airbag inflator24-44
2-1Open in the passenger's airbag inflator
Troubleshooting
24-50
Increased resistance in the passenger's airbag
inflator24-50
Short to another wire in the passenger's
airbag inflator or decreased resistance24-52
2-4Short to power in the passenger's airbag
inflator24-54
Short to ground in the passenger's airbag
inflator24-56
(cont'd)
24-21

)r
l-J
SIEMENS SRS Unit
SRS indicator lightDTCPossible cause Corregtive astionSee page
doesn't come on
none(doesn't
come on)
FaulW SRS indicator light circuitTrou bleshooting24-26
comes on
none*3
(doesn't
go ofl)
Faulty SRS indicator light circuit, internal
failure of SRS unit, faulty SRS power supply
{VB line)
Troubleshooting24-34
1-1Open or increased resistance in the driver's
airbag inflator
Troubleshooting
24,42
1-3Short to another wire in the driver's airbag
inflator or decreased resistance24-44
1-4Short to power in the driver's airbag inflator24-46
Shon to ground in the driver's airbag inflator24 48
2-1Open or increased resistance in the passengers
airbag inflator
Troubleshooting
24-50
2-3Short to another wire in the passenger's
airbag inflator or decreased resistance24-52
2-4Short to power in the passenger's airbag
inflator24-54
2-5Short to ground in the passenger's airbag
inflator24-56
,-. ^
l) t (cont,d)
24-23
d

)
From page 24-26
(A)
From page 24-26
(B)DASHBOARD WIRE HARNESS
5P CONNECTOR
It
MAIN WIRE HARNESS2,rP CONNECTOR
DASHAOARD WIREHARNESS 2irPCONNECTOR
c41 1
(cont'd)
24-27
check the sRs indicator light circuit:1. Disconnect the dashboard wire harness 5P connector
from the gauge assembly.2. Connect a voltmeter between the No. 1 terminal (+) of
the 5P connector and ground.
3. T!rn the ignition switch ON 1ll), and meas!re voltage.
ls there 8.5 V or loss lor six seconds atter the ignition
swilch has been turned ON {lll?
YESNO
Faulty SRS indicator light circuit in the gauge e$embly;
replace the SRS printed circuit boa.d in tho gauge
ass€mblY.
Check the wire harness otthe SRS indicator light circuil {1):'1. Turn the ignition switch OFF.2. Disconnect the main wire harness 24P connector from
the dashboard wire harness.
3. Connect a voltmeter between the No. 5 terminal {+) of
the main wire harness 24P connector and 9round4. Turn the ignition ON (ll), and measure voltage.
ls thore 8.5 V or lcss tor tix second3 .Itor the ignition
switch has b6en turned ON lll)?
YESNO
Short to oower in the BLU wire ol the dashboald wiroharness; rgpaii the ham€ss.
To page 24-28
ar

Troubleshooting
The SRS Indicator Light Doesn't Come On (cont'dl
Frcm page 24.21
Ch6ck tho wire h6rn6s of tho SRS indicator light circuir (21:
1. Turn the ignition switch OFF.2. Disconnect the SRS main harness 3P connector from themain wire harness,3. Connect a voltmeter between the No. 1 terminal (+) ofthe SRS main harness 3P connector and ground.4. Turn the ignition switch ON (ll), and measur€ voltage.
13 thore 8.5 V or less for 3ir sacond3 aftgr tho ignitionswitch h.3 b.en turned ON llllT
YESNO
Short to power in tho BLU wi.e of lhe m.in wiro hrnroas;r€orir tho ham6as.
Chock the wi.e harness otthe SRS indicator ci.cuit l3l:1. Turn the ignition switch OFF.2. Disconnect the banery negative cable. th6n the positivecable, and wait three minutes.3. Disconnect the driver's (and front passenger's) airbag con-nector{s} (seo page 24-11).4. Disconnect the SRS main harness 18P connector trom
5. Connect a voltmeter betwo€n the No. 6lerminal {+} ofthe SRS main harness 18P connector and ground.6. Turn the ignition switch ON (ll), and measure vollagg. Thereshould be 0.5 V or less.
ls voltago as specified?
YESNO
Faultv SRS unh; roplic. the unit l!€e paqo 2+76).
Shoft to Dowar in tha BLU wire ot tho SRS mein h.rn.r3:reobce the hrlne3s,
24-2a
SRS MAIN HARNESS18P CONNECTOR
MAIN WIRE I{ARNESS3P CONNECTOR
SRS MAIN I{ARNESS3P CONNECTOR
c802
SRS UNIT
SRS MAIN HARNESS 1AP CONNECTOR
-

Troubleshooting
The SRS Indicator Light Doesn't Go Off -'96 - 97 Models (cont'dl
From page 24-31
Ch6ck for a shon lo ground in tho m.in wire harness:1. Disconnect the dashboard wire harness 24P connectorfrom the main wire harness,2. Check resistance between the No. 5 terminal of the mainwire harness 24P connector and ground. There should be1 M0 or more.
Short to ground in the dashboard wire harness; repairthe dashbo..d wire harnoss.
SRS MAIN HARNESS3P CONNECTOR
Wire side oI femaleterminals
24-32
\
MAIN WIRE HARNESS
HARNESS
Check for a short to ground in the SRS main h..ness:1. Disconnect the SRS main harness 3P connector from themain wire harness,2. Check resistance between the No. 1 terminal of the SRSmain harness 3P connector and ground. There shorrld be1 fu,|0 or more.
ls the resistance as specifisd?
Short to ground in the main wire harnoas; r€pair themain wire harness.

)
From page 24-34(A)
SRS MAIN HARNESS I8P CONNECTOR
(B)
To page 24-36
1)
Wire sidg of lemale terminals
DASHBOARD WIRE HARNESS
5P CONNECTOR
ic)To page 21'31
DASHBOARD WIRE HARNESS
5P CONNECTOR
c508
t of lemale
(cont'd)
24-35
SRS MAIN HARNESS
Chock iho SRS unit:
Connect the SRS main harness 18P connector terminals No'
6 and No. 3 with a jumper wire and backprobe
Doos tho SRS indicator light go off?
Faulw SRS unit or poot co tact at the SRS ftain htmes!
18P connoctor; chack the connagtot.
ll tha connoctor b OK roplaca lho SRS unit'
oid tu3e No. 23 t10 A) blow?
Chcck for e short to ground in th. SRS indicator lighi cir-
cuh:1. Turn the ignition switch OFF
2. Disconneit the dashboard wire harness 5P connector
from the gauge assembly.
3. Check res-ista;ce between the No l terminai ofth€dash-
board wire harness 5P connector and ground There
should be '1 M0 or more.
Short to glound in th. gaugs aslomblY; .6plac' th' gtug'
JUMPEB WIRE
o!

)
From page 24-35(c)
DASHEOARD WIRE HARNESS24P CONNECTOR
DASHBOARD WIREHARNESS 24P CONNECTOR
BLU
l)
Wke side oI femaleterminals
MAIN WIBE HARNESS3P CONNECTOR
3P CONNECTOR
SRS MAIN HARNESS3P CONNECTOR
(cont'd)
MAIN WIRE HARNESS 24P CONNECTOR
Check lor a 3hort to glound in tho main wira harno$:
1. Disconnect the dashboard wire harness 24P connector
from the main wire harness.
2, Check resistance between the No 5 terminal ofthedash-
board wire harness 24P connector snd ground There
should be 1 M0 or more
Short to giound in tha dalhbo!]d wir! ha]n'$; t'plil
lho darhborrd wira hrrnos!.
Chock for ! shon to ground in tho SRS main herness:
1. Disconnect the SRS main harness 3P connector from the
main wire harness.2. Check resistanco botween the No. 1 terminal of the SRS
main harness 3P connector and ground, There shor,lld be
Short to ground in tha main wir6 hainoss; r'Prir the
Short to ground in thc SRS main harn6s; leplac' th' SRS
l1'
24-37