ACURA RL KA9 1996 Service Repair Manual

DTC 9- 2
CAUTION : Wheneve r th e ignitio n switc h is O N (II) , o r ha s
bee n turne d OF F fo r les s tha n 3 minutes , b e carefu l no t
to bum p th e SR S unit ; th e airbag s coul d accidentall y
deploy an d caus e damag e o r injuries .
NOTE: Th e PC M memor y mus t b e rese t afte r reconnect -
ing th e batter y (se e pag e 11-125 ).
(A ) T o pag e 24-8 2
The proble m ha s disappeared . Test-driv e th e vehicl e an d
se e Troubleshootin g Intermitten t Failure s o n pag e 24-37 .
Chec k fo r shor t t o groun d betwee n th e under-das h fuse /
rela y bo x an d th e SR S unit .
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e batter y negativ e cable , the n disconnec t
the positiv e cable , an d wai t fo r 3 minutes .3. Disconnec t th e driver' s an d fron t passenger' s airba g con -
nectors , the n disconnec t th e driver' s an d fron t passen -
ger' s sea t bel t tensione r connector s (se e pag e 24-33 ).
4 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m
th e SR S unit .
5 . Chec k resistanc e betwee n th e No . 3 termina l o f SR S
mai n harnes s 18 P connecto r an d ground . Ther e shoul d
be 1 o r more .
(B)To pag e 24-8 3
Fault
y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
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DTC 9- 2 (cont'd )
(A) Fro m pag e 24-8 1
Troubleshootin g - '9 6 - 9 8 Model s
Check fo r a n ope n in th e SR S mai n harness :
1 . Disconnec t th e batter y negativ e cable , the n disconnec t
th e positiv e cable , an d wai t fo r 3 minutes .
2 . Disconnec t th e driver' s an d fron t passenger' s airba g con -
nectors , the n disconnec t th e driver' s an d fron t passen -
ger' s sea t bel t tensione r connector s (se e pag e 24-33 ).
3 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m
the SR S unit .4. Reconnec t th e batter y positiv e cable , the n reconnec t th e
negativ e cable .
5 . Connec t a voltmete r betwee n th e No . 3 termina l o f th e
SR S mai n harnes s 18 P connecto r an d ground .6. Tur n th e ignitio n switc h O N (II) , an d measur e voltage .
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From pag e 24-8 1(B)
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Troubleshooting - '9 9 - 0 1 Model s
Self-diagnosti c Procedure s
The self-diagnosti c functio n o f th e SR S syste m allow s i t t o locat e th e cause s o f syste m problem s an d t o stor e thi s informa -
tio n i n memory . Fo r easie r troubleshooting , thi s dat a ca n b e retrieve d vi a a dat a lin k circuit .
• Whe n yo u tur n th e ignitio n switc h O N (II) , th e SR S indicato r wil l com e on . I f i t goe s of f afte r 6 seconds , th e syste m is
normal .
• I f ther e i s a n abnormality , th e syste m locate s an d define s th e problem , store s thi s informatio n i n memory , an d turn s
th e SR S indicato r ligh t on . Th e dat a wil l remai n i n th e memor y eve n whe n th e ignitio n switc h i s turne d of f o r i f th e bat -
ter y i s disconnected .
• Whe n yo u connec t th e SC S servic e connecto r t o th e servic e chec k connecto r (2P) , an d tur n th e ignitio n switc h O N (II) ,
th e SR S indicato r ligh t wil l indicat e th e diagnosti c troubl e cod e (DTC ) b y th e numbe r o f blinks .
• Afte r readin g an d recordin g th e DTC , procee d wit h th e troubleshootin g fo r thi s code .
Precaution s
• Us e onl y a digita l multimete r t o chec k th e system . I f it' s no t a Hond a multimeter , mak e sur e it s outpu t i s 1 0 m A (0.0 1 A )
o r les s whe n switche d t o th e smalles t valu e i n th e ohmmete r range . A teste r wit h a highe r outpu t coul d damag e th e
airba g circui t o r caus e accidenta l airba g deploymen t an d possibl e injury .
• Whenever the ignitio n switc h i s O N (II) , o r ha s bee n turne d OF F fo r les s tha n 3 minutes , b e carefu l no t t o bum p th e SR S
uni t o r th e sid e impac t sensor ; th e airbag s o r th e sid e airbag s coul d accidentall y deplo y an d caus e damag e o r injuries .
• Befor e yo u remov e th e SR S mai n harness , disconnec t th e driver' s airba g connecto r an d th e fron t passenger' s airba g
connector .
• Befor e yo u remov e th e SR S floo r harness , disconnec t bot h sea t bel t tensione r 2 P connectors , an d disconnec t bot h sid e
airba g 2 P connectors .
• Mak e sur e th e batter y i s sufficientl y charge d (se e sectio n 23 ). I f th e batter y i s dea d o r low , measurin g value s won' t b e
correct .
• D o no t touc h a teste r prob e t o th e terminal s i n th e SR S uni t o r harnes s connectors , an d d o no t connec t th e terminal s
wit h a jumpe r wire . Us e onl y th e backprob e se t an d th e specia l tools .
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Troubleshooting - '9 9 - 0 1 Model s
Readin g th e DT C
Whe n th e SR S indicato r ligh t i s on , rea d th e DT C usin g on e o f thes e methods :
Readin g Wit h th e PG M Teste r
Connec t th e Hond a PG M Teste r t o th e 16 P Dat a Lin k Connecto r (DLC) , an d follo w th e tester' s prompts . I f th e teste r indi -
cate s n o DTC , DT C 9- 1 o r DT C 9-2 , double-chec k b y jumpin g th e servic e chec k connecto r an d watchin g th e SR S indicato r
ligh t (se e nex t page) .
DATA LIN K CONNECTO R (16P )
HOND A PG M TESTE R
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Reading th e SR S Indicato r Ligh t
Th e SR S indicato r ligh t indicate s th e DT C b y th e numbe r
o f blink s whe n th e SC S shor t connecto r i s connecte d t o
th e servic e chec k connecto r (2P) .
1 . Tur n th e ignitio n switc h OFF , an d wai t fo r 1 0 sec -
onds . The n connec t th e SC S shor t connecto r t o th e
servic e chec k connecto r (2P) . I f yo u don' t wai t 1 0
seconds , th e SR S uni t won' t b e completel y rese t o r
outpu t DTCs .
2. Tur n th e ignitio n switc h O N (II) . Th e SR S indicato r
light come s o n fo r abou t 6 seconds , an d the n goe s
off . The n it wil l indicat e th e DTC .
3. Rea d th e DTC .
4. Tur n th e ignitio n switc h OFF , an d wai t fo r 1 0 sec -
onds . The n disconnec t th e SC S shor t connecto r
fro m th e servic e chec k connecto r (2P) .
SCS SHOR T CONNECTO R07PAZ-001010 0
In cas e o f mai n cod e i s '3' , su b cod e i s '4' , recor d a
DT C 3-4 .
Readin g th e su b code :
Coun t th e numbe r o f th e blinks .
Th
e indicator' s blin k i s regarde d firs t fou r continuou s
blink s a s coun t ten , the n afte r blin k is adde d to them .
Pattern
s o f th e DT C Indications :
Th e DT C consist s o f a mai n cod e an d sub-code .
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Reading th e DT C (cont'd )
— Includin g th e mos t recen t problem , u p to 3 differen t malfunction s ca n b e indicate d (se e exampl e 1 below) .
— In cas e o f a continuou s failure , th e DT C wil l b e indicate d repeatedl y (se e exampl e 1 below) .
— In cas e o f a n intermitten t failure , th e SR S indicato r ligh t wil l indicat e th e DT C on e time , the n i t wil l sta y o n (se e exampl e
2 below) .
— If bot h a continuou s an d a n intermitten t failur e occur , bot h DTC s wil l b e indicate d a s continuou s failures .
— Whe n th e syste m is norma l (n o DTC) , th e SR S indicato r ligh t wil l sta y o n (se e exampl e 3) .
— If th e SR S indicato r ligh t come s o n continuousl y withou t an y DTCs , ther e ma y b e a proble m in th e ligh t circuit .
Example s o f th e DT C Indications :
1 . Continuou s failure , SR S Indicato r Ligh t is :
Troubleshootin g - '9 9 - 0 1 Model s
2. Intermitten t failure , SR S Indicato r Ligh t is :
3 . Norma l (n o failure) , SR S Indicato r Ligh t is :
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Erasing th e DT C Memor y
To eras e th e DTC(s ) fro m th e SR S unit , us e a Hond a
PG M Teste r (se e th e Hond a PG M Teste r SR S vehicl e
Syste m Supplement ) o r th e followin g procedure .
1 . Mak e sur e th e ignitio n switc h is OFF .
2 . Connec t th e SC S servic e connecto r t o th e ME S con -
necto r (2P) . D o no t us e a jumpe r wire .
Troubleshootin g Intermitten t
Failures
If ther e wa s a malfunction , bu t i t doesn' t recur , i t wil l b e
store d i n th e memor y a s a n intermitten t failure , an d th e
SR S indicato r ligh t come s on .
Afte r checkin g th e DTC , troubleshoo t a s follows :
1 . Rea d th e DT C (se e "Readin g th e DTC") .
2 . Eras e th e DT C memor y (se e "Erasin g th e DT C
Memory") .
3. Wit h th e shif t leve r i n neutral , tur n th e ignitio n switc h
ON (II) , an d le t th e engine idle.
4 . Th e SR S indicato r ligh t come s o n fo r abou t 6 sec -
ond s an d goe s off .
SCS SERVIC E CONNECTO R07PAZ-001010 0
3. Tur n th e ignitio n switc h O N (II) .
4 . Th e SR S indicato r ligh t come s o n fo r abou t 6 second s
an d goe s off . Remov e th e SC S servic e connecto r
fro m th e ME S connecto r (2P ) withi n 4 second s afte r
th e SR S indicato r ligh t wen t off .
5 . Th e SR S indicato r ligh t come s o n again . Reconnec t
th e SC S servic e connecto r t o th e ME S connecto r
(2P ) withi n th e 4 second s afte r th e SR S indicato r
ligh t come s on .
6 . Th e SR S indicato r ligh t goe s off . Remov e th e SC S
servic e connecto r fro m th e ME S connecto r (2P )
withi n 4 seconds .
7 . Th e SR S indicato r ligh t indicate s tha t th e memor y i s
erase d b y blinkin g tw o times .
8. Tur n th e ignitio n switc h OFF , an d wai t fo r 1 0 sec -
onds . 5
. Shak e th e wir e harnes s an d th e connector , tak e a tes t
driv e (quic k acceleration , quic k braking , cornering) ,
an d tur n th e steerin g whee l full y lef t an d right , an d
hol d i t ther e fo r 5 to 1 0 second s t o fin d th e caus e o f
th e intermitten t failure .
If th e proble m recurs , th e SR S indicato r ligh t wil l
stay on .
6 . I f yo u can' t duplicat e th e intermitten t failure , th e sys -
te m is O K a t thi s time .
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Troubleshooting - '9 9 - 0 1 Model s
Initializin g th e OPD S (Occupan t Positio n Detectio n System ) Uni t
Whe n th e seat-bac k cove r o r seat-bac k cushio n o r (and ) OPD S uni t ar e replace d wit h ne w one , initializ e th e OPD S uni t
link s wit h th e OPD S senso r b y followin g th e procedur e below .
'0 0 - 0 1 Models : I f you r PG M Teste r i s equippe d wit h softwar e versio n S N 12 0 o r later , disregar d th e procedur e below ,
and initializ e th e OPD S uni t b y followin g th e prompt s in th e SR S men u o f th e PG M Tester .
NOTE:
• Mak e sur e th e fron t passenger' s sea t i s dry , se t th e seat-bac k i n th e norma l position , an d mak e sur e ther e i s nothin g
settin g o n th e fron t passenger' s seat .
• '0 0 - 0 1 Models ; Star t th e engine , an d tur n o n th e ai r conditionin g syste m fo r 3 0 minute s t o dr y an y moistur e fro m th e
fron t passenger' s sea t befor e followin g th e procedur e below .
1 . Mak e sur e th e ignitio n switc h i s OFF .
2 . Connec t th e SC S servic e connecto r t o th e servic e chec k connecto r (2P) . D o no t us e a jumpe r wire .
3 . Connec t anothe r SC S servic e connecto r t o th e ME S connecto r (2P) . D o no t us e a jumpe r wire .
SCS SERVIC E CONNECTO R07PAZ-001010 0
4. Tur n th e ignitio n switc h O N (II) .
5. Th e SR S indicato r ligh t come s o n fo r abou t 6 second s an d goe s off . Remov e th e SC S servic e connecto r fro m th e ME S
connecto r withi n 4 second s afte r th e SR S indicato r ligh t wen t off .
6 . Th e SR S indicato r ligh t come s o n again . Reconnec t th e SC S servic e connecto r t o th e ME S connecto r withi n th e 4 sec -
ond s afte r th e SR S indicato r ligh t come s on .
7 . Th e SR S indicato r ligh t goe s off . Remov e th e SC S servic e connecto r fro m th e ME S connecto r withi n 4 seconds .
8. Th e SR S indicato r ligh t indicate s tha t th e OPD S uni t i s initialize d b y blinkin g 2 times , the n stay s on .
If th e ligh t doesn' t blin k 2 time s an d stay s on , repea t thi s procedur e beginnin g wit h ste p 1 .
9 . Tur n th e ignitio n switc h OFF , an d wai t fo r 1 0 seconds . Disconnec t th e SC S servic e connecto r fro m th e servic e chec k
connecto r (2P) .
Tur n th e ignitio n switc h O N (II ) agai n afte r th e procedure . Th e SR S indicato r ligh t come s o n fo r abou t 6 second s an d goe s
off , an d the n i f th e SR S indicato r ligh t doesn' t com e o n agai n afte r 3 0 seconds , th e initializatio n o f th e OPD S uni t i s com -
plet e an d th e syste m is OK .
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24-98
Diagnosti c Troubl e Cod e (DTC ) Char t
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