sensor ACURA RL KA9 1996 Service Repair Manual

DTC 13- 5
CAUTION : Wheneve r th e 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 coul d accidentall y deplo y an d caus e damag e o r
injuries .
Does th e SR S indicato r ligh t sta y on ?
YESNO
Intermitten t failure , syste m i s O K a t thi s time . Se e
Troubleshootin g Intermitten t Failure s o n pag e 24-87 .
I s th e connection s OK ?
YESNO
Poo r contac t a t th e SR S floo r harnes s 4 P connector ; con -
nec t th e SR S floo r harnes s 4 P connecto r securely . Chec
k fo r a shor t t o powe r o r groun d o r anothe r wir e i n th e
SR S floo r harnes s (cont'd) :
4 . Chec k resistanc e betwee n th e No . 1 3 an d No . 1 2 termi -
nal s o f th e SR S floo r harnes s 18 P connector , betwee n
th e No . 1 3 an d No . 7 terminal s o f th e SR S floo r harnes s
18 P connector , betwee n th e No . 1 3 an d No . 1 terminal s
o f th e SR S floo r harnes s 18 P connector , an d betwee n th e
No . 1 3 termina l o f th e SR S floo r harnes s 18 P connecto r
and bod y ground .There shoul d b e 1 o r more .
I s th e resistanc e a s specified ?
YESNO
Shor t t o powe r o r groun d o r anothe r wir e i n th e SR S
floo r harness ; replac e th e SR S floo r harness .
Chec k fo r a n ope n in th e SR S floo r harness :
1 . Connec t th e specia l too l t o th e SR S floo r harnes s 4 P con -
necto r (se e pag e 24-97 ).
2 . Chec k resistanc e betwee n th e No . 1 3 termina l o f th e SR S
floor harnes s 18 P connecto r an d th e No . 4 termina l o f th especia l tool .Ther e shoul d b e 0 - 1.0
Wire sid e o f femal e terminal s
I s th e resistanc e a s specified ?Wir
e sid e o f
femal e terminal s
Try t o reproduc e th e SR S indicato r light :
1 . Eras e th e DT C memor y (se e pag e 24-87 ).
2 . Tur n th e ignitio n switc h O N (II) , an d chec k tha t th e SR S
indicato r ligh t come s o n fo r abou t 6 seconds , an d the n
goe s off .
Chec k fo r poo r contac t a t th e SR S floo r harnes s 4 P connec -
tor:1. Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .
2 . Disconnec t th e SR S floo r harnes s 2 P connecto r fro m th e
driver' s sid e airba g 2 P connecto r (se e pag e 24-96 ).
3 . Chec k fo r connection s betwee n th e SR S floo r harnes s 4 P
connecto r an d th e driver' s sid e impac t sensor .
SPECIA LTOOL
Chec k fo r a shor t t o powe r o r groun d o r anothe r wir e i n th e
SR S floo r harness :
1 . Disconnec t betwee n th e driver' s sea t bel t tensione r 2 P
an d th e lef t sid e wir e harnes s 2 P connectors , betwee n
th e fron t passenger' s sea t bel t tensione r 2 P an d th e righ t
sid e wir e harnes s 2 P connectors , betwee n th e driver' s
sid e airba g 2 P an d th e SR S floo r harnes s 2 P connectors ,
an d betwee n th e fron t passenger' s sid e airba g 2 P an d
th e SR S floo r harnes s 2 P connectors , (se e pag e 24-95 ,
24-96).2 . Disconnec t th e SR S floo r harnes s 4 P connecto r fro m th e
driver' s sid e impac t senso r (se e pag e 24-97 ).
3 . Disconnec t th e SR S floo r harnes s 18 P connecto r fro m
th e SR S uni t (se e pag e 24-92 ). (cont'd )
Faulty driver' s sid e impac t senso r o r SR S unit ; replac e th e
driver' s sid e impac t sensor .
• I f th e proble m is stil l present , replac e th e SR S unit .
Ope
n i n th e SR S floo r harness ; replac e th e SR S floo r
harness .
YESNO
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Troubleshooting - '9 9 - 0 1 Model s
DTC 14- 3
CAUTION : Wheneve r th e 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
not t o bum p th e SR S uni t o r th e sid e impac t sensor ; th e
airbag s coul d accidentall y deplo y an d caus e damag e o r
injuries .
Try t o reproduc e th e SR S indicato r light :
1 . Eras e th e DT C memor y (se e pag e 24-87 ).
2 . Tur n th e ignitio n switc h O N (II) , an d chec k tha t th e SR S
indicato r ligh t come s o n fo r abou t 6 seconds , an d the n
goe s off .
Intermitten t failure , syste m is O K a t thi s time . Se e
Troubleshootin g Intermitten t Failure s o n pag e 24-87 .
Chec k fo r poo r contac t a t th e SR S floo r harnes s 4 P connec -
tor:1. Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .
2 . Disconnec t th e SR S floo r harnes s 2 P connecto r fro m th e
fron t passenger' s sid e airba g 2 P connecto r (se e pag e
24-96 ).3 . Chec k th e connection s betwee n th e SR S floo r harnes s 4 P
connecto r an d th e fron t passenger's side impac t sensor .
Chec k fo r a shor t t o powe r o r groun d in th e SR S floo r harness :
1 . Disconnec t betwee n th e driver' s sea t bel t tensione r 2 P
an d th e lef t sid e wir e harnes s 2 P connectors , betwee n
th e fron t passenger' s sea t bel t tensione r 2 P an d th e righ t
sid e wir e harnes s 2 P connectors , betwee n th e driver' s
sid e airba g 2 P an d th e SR S floo r harnes s 2 P connectors ,
an d betwee n th e fron t passenger' s sid e airba g 2 P an d
th e SR S floo r harnes s 2 P connector s (se e pag e 24-95 ,
24-96).2 . Disconnec t th e SR S floo r harnes s 4 P connecto r fro m th e
fron t passenger' s sid e impac t senso r (se e pag e 24-97 ).
3 . Disconnec t th e SR S floo r harnes s 18 P connecto r fro m
th e SR S uni t (se e pag e 24-92 ). (cont'd ) Chec
k fo r a n ope n in th e SR S floo r harness :
1 . Connec t th e specia l too l t o th e SR S floo r harnes s 4 P con -
necto r (se e pag e 24-97 ).
2 . Chec k resistanc e betwee n th e No . 9 termina l o f th e SR S
floo r harnes s 18 P connecto r an d th e No . 1 termina l o f th e
specia l tool , an d betwee n th e No . 8 termina l o f th e SR Sfloor harnes s 18 P connecto r an d th e No . 3 termina l o f th especia l tool .
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DTC 14- 4
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 uni t o r th e sid e impac t sensor ; th e
airbag s coul d accidentall y deplo y an d caus e damag e o r
injuries .
Try t o reproduc e th e SR S indicato r light :
1 . Eras e th e DT C memor y (se e pag e 24-87 ).
2 . Tur n th e ignitio n switc h O N (II) , an d chec k tha t th e SR S
indicato r ligh t come s o n fo r abou t 6 seconds , an d the n
goe s off . Fault
y fron t passenger' s sid e impac t senso r o r SR S unit ;
replac e th e fron t passenger' s sid e impac t sensor . I f th e prob -
le m is stil l present , replac e th e SR S uni t (se e pag e 24-181 ).
Intermitten t failure , syste m is O K a t thi s time . Se e
Troubleshootin g Intermitten t Failure s o n pag e 24-87 .
Chec k fo r a shor t t o groun d in th e SR S floo r harness :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .
2 . Disconnec t betwee n th e driver' s sea t bel t tensione r 2 P
an d th e lef t sid e wir e harnes s 2 P connectors , betwee n
th e fron t passenger' s sea t bel t tensione r 2 P an d th e righ t
sid e wir e harnes s 2 P connectors , betwee n th e driver' s
sid e airba g 2 P an d th e SR S floo r harnes s 2 P connectors ,
an d betwee n th e fron t passenger' s sid e airba g 2 P an d
th e SR S floo r harnes s 2 P connector s (se e pag e 24-95 ,
24-96).3 . Disconnec t th e SR S floo r harnes s 4 P connecto r fro m th e
fron t passenger' s sid e impac t senso r (se e pag e 24-97 ).
4 . Disconnec t th e SR S floo r harnes s 18 P connecto r fro m
th e SR S uni t (se e pag e 24-92 ).
5 . Chec k resistanc e betwee n th e No . 8 termina l o f th e SR S
floo r harnes s 18 P connecto r an d bod y ground , an d
betwee n th e No . 8 an d No . 1 1 terminal s o f th e SR S floo r
harnes s 18 P connector .
There shoul d b e 1 o r more .
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DTC 14- 5
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 uni t o r th e sid e impac t sensor ; th e
airbag s coul d accidentall y deplo y an d caus e damag e o r
injuries .
Troubleshootin g - '9 9 - 0 1 Model s
Try t o reproduc e th e SR S indicato r light :
1 . Eras e th e DT C memor y (se e pag e 24-87 ).
2 . Tur n th e ignitio n switc h O N (II) , an d chec k tha t th e SR S
indicato r ligh t come s o n fo r abou t 6 seconds , an d the n
goe s off .
Intermitten t failure , syste m is O K a t thi s time . Se e
Troubleshootin g Intermitten t Failure s o n pag e 24-87 .
Chec k fo r poo r contac t a t th e SR S floo r harnes s 4 P connector :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .
2 . Disconnec t th e SR S floo r harnes s 2 P connecto r fro m th e
fron t passenger' s sid e airba g 2 P connecto r (se e pag e
24-96 ).3 . Chec k th e connection s betwee n th e SR S floo r harnes s 4 P
connecto r an d th e fron t passenger' s sid e impac t sensor .
Chec k fo r a shor t t o powe r o r groun d o r anothe r wir e i n th e
SR S floo r harness :1. Disconnec t betwee n th e driver' s sea t bel t tensione r 2 P
an d th e lef t sid e wir e harnes s 2 P connectors , betwee n
th e fron t passenger' s sea t bel t tensione r 2 P an d th e righ t
sid e wir e harnes s 2 P connectors , betwee n th e driver' s
sid e airba g 2 P an d th e SR S floo r harnes s 2 P connectors ,
an d betwee n th e fron t passenger' s sid e airba g 2 P an d
th e SR S floo r harnes s 2 P connector s (se e pag e 24-95 ,
24-96).2 . Disconnec t th e SR S floo r harnes s 4 P connecto r fro m th e
fron t passenger' s sid e impac t senso r (se e pag e 24-97 ).
3 . Disconnec t th e SR S floo r harnes s 18 P connecto r fro m
th e SR S uni t (se e pag e 24-92 ). (cont'd ) Chec
k fo r a n ope n in th e SR S floo r harness :
1 . Connec t th e specia l too l t o th e SR S floo r harnes s 4 P con -
necto r (se e pag e 24-97 ).
2 . Chec k resistanc e betwee n th e No . 1 4 termina l o f th e SR S
floo r harnes s 18 P connecto r an d th e No . 4 termina l o f th e
specia l tool .
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DTC 15- 1
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
not t o bum p th e SR S uni t o r th e sid e impac t sensor ; th e
airbag s coul d accidentall y deplo y an d caus e damag e o r
injuries .
Read th e DTC :1. Mak e sur e nothin g is sittin g o n th e fron t passenger' s seat .
2 . Initializ e th e OPD S uni t (se e pag e 24-88 ).
3 . Eras e th e DT C memor y (se e pag e 24-87 ).
4 . Rea d th e DT C (se e pag e 24-84 ).
I s DT C 15- 1 indicated ?
YESNO
Intermitten t failure , syste m is O K a t thi s time . Se e
Troubleshootin g Intermitten t Failure s o n pag e 24-87 .
Chec k th e fuse :
Chec k th e No . 2 3 (7. 5 A ) fus e i n th e under-das h fuse/rela y
box.
Is th e fus e OK ?
YESNO
Chec k th e powe r suppl y (1) :
1 . Disconnec t th e ODP S uni t wir e harnes s 8 P connecto r
fro m th e OPD S uni t (se e pag e 24-92 ).
2 . Tur n th e ignitio n switc h O N (II) .3. Chec k fo r voltag e betwee n th e No . 4 termina l o f th e
ODP S uni t wir e harnes s 8 P connecto r an d bod y ground .
Ther e shoul d b e batter y voltage .
Wir e sid e o f femal e terminal s
I s ther e batter y voltage ?
YES
(B) T o pag e 24-15 0
NO
Chec k th e powe r suppl y (2) :
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e mai n wir e harnes s 24 P connecto r fro m th e
righ t sid e wir e harnes s (se e pag e 24-97 ).
3 . Tur n th e ignitio n switc h O N (II) .4. Chec k fo r voltag e betwee n th e No . 1 3 termina l o f th emai n wir e harnes s 24 P connecto r an d bod y ground .There shoul d b e batter y voltage .
Termina l sid e o f mal e terminal s
I s ther e batter y voltage ?
YESNO
Shor t t o powe r i n th e righ t sid e wir e harnes s o r OPD S uni t
harness ; i f th e OPD S uni t harnes s is OK , replac e th e righ t
sid e wir e harness .
Shor t t o powe r i n th e mai n wir e harness ; replac e th e mai n
wir e harness .
Chec k th e fuse :
1 . Replac e th e No . 2 3 (7. 5 A ) fus e i n th e under-das h
fuse/relay box .2. Tur n th e ignitio n switc h OF F afte r th e ignitio n switc h ha s
bee n turne d o n fo r 3 0 seconds .
3 . Chec k th e No . 2 3 (7. 5 A ) fus e in th e under-das h fuse/rela y
bo x (se e pag e 24-92 ).
I s th e fus e OK ?
YESNO
EN D
To pag e 24-15 0 (D )
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Check fo r a shor t t o powe r betwee n th e righ t sid e wir e har -ness an d th e SR S floo r harnes s (4) :1. Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e lef t sid e wir e harnes s 2 P connecto r (se e
page 24-93 ).3 . Tur n th e ignitio n switc h O N (II) .
4 . Chec k fo r voltag e betwee n th e No . 1 0 termina l o f th e
SR S floo r harnes s 18 P connecto r an d bod y ground .
Ther e shoul d b e 0. 5 V or less . Fault
y sid e airba g indicato r ligh t circuit ; g o to troubleshoot -
ing 15-2 .
Chec k fo r a shor t t o powe r betwee n th e righ t sid e wir e har -ness an d th e SR S floo r harnes s (3) :1. Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e mai n wir e harnes s 14 P connecto r (se e
page 24-93 ).3 . Tur n th e ignitio n switc h O N (II) .
4 . Chec k fo r voltag e betwee n th e No . 1 0 termina l o f th e
SR S floo r harnes s 18 P connecto r an d bod y ground .
Ther e shoul d b e 0. 5 V or less . Chec
k th e OPD S sensor :
1 . Tur n th e ignitio n switc h OFF .
2 . Instal l a known-goo d OPD S sensor .
3 . Reinstal l al l remove d parts .
4 . Initializ e th e OPD S sensor .
5 . Eras e th e DT C memor y (se e pag e 24-87 ).6 . Rea d th e DT C (se e pag e 24-84 ).
Fro m pag e 24-15 2 (L ) (K ) Fro m pag e 24-15 3
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DTC 15- 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 uni t o r th e sid e impac t sensor ; th e
airbag s coul d accidentall y deplo y an d caus e damag e o r
injuries .
Check th e fuse :1. Tur n th e ignitio n switc h OFF .2. Chec k th e No . 1 3 (7. 5 A ) fus e in th e under-das h fuse/rela y
bo x (se e pag e 24-92 ).
T o pag e 24-15 8 (B )
(C) T o pag e 24-15 6 T o pag e 24-15 7 (D )
Chec
k fo r a n ope n in th e sid e airba g indicato r circuit :
1 . Disconnec t th e OPD S uni t wir e harnes s 8 P connecto r
fro m th e OPD S uni t (se e pag e 24-92 ).
2 . Tur n th e ignitio n switc h O N (II) .3. Chec k fo r voltag e betwee n th e No . 3 termina l o f th e
OPD S uni t wir e harnes s 8 P connecto r an d bod y ground .
Ther e shoul d b e batter y voltage .
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DTC15-3

CAUTION: Whenever the ignition switch is ON (II), or has

been turned OFF for less than 3 minutes, be careful not

to bump the SRS unit or the side impact sensor; the

airbags could accidentally deploy and cause damage or

injuries.ProCarManuals.com

6. Disconnec t th e sid e impac t senso r 4 P connecto r
fro m th e SR S floo r harnes s 4 P connector .
Replacemen t
After a collisio n i n whic h a sid e airba g wa s deployed ,
th e sid e airbag , th e correspondin g sid e impac t senso r
an d seat-bac k cover , an d th e SR S uni t mus t b e replaced .
CAUTION :
• Befor e disconnectin g th e sid e impac t senso r 4 P con -
nector(s) , disconnec t th e sid e airba g 2 P connector(s) .
• B e carefu l no t t o bum p o r impac t th e SR S uni t an d
sid e impac t senso r wheneve r th e ignitio n switc h i s
O N (II) , o r wai t a t leas t fo r 3 minute s afte r th e igni -
tio n switc h is turne d OFF .
• Durin g installatio n o r replacement , b e carefu l no t t o
bum p (b y impac t wrench , hammer , etc. ) th e are a
aroun d th e SR S uni t an d sid e impac t sensor . Th e
airbag s an d sid e airbag s coul d accidentall y deplo y
an d caus e damag e o r injury .
1 . Mak e sur e yo u hav e th e anti-thef t cod e fo r th e
radio , the n writ e dow n th e frequencie s fo r th e
radio' s prese t buttons .
2 . Disconnec t th e batter y negativ e cable , the n discon -
nec t th e positiv e cabl e fro m th e battery , an d wai t a t
least s minutes .
3 . Disconnec t th e sid e airba g 2 P connector .
4 . Remov e (se e sectio n 20 ):
• Sea t assembl y
• Fron t sid e tri m
• Cente r pilla r tri m
• Lowe r ancho r bol t
5 . Pul l bac k th e carpet , remov e th e tw o Tor x bolt s
usin g a Tor x T3 0 bit , the n remov e sid e impac t sen -
so r assembly .
Side Impac t Senso r
CAUTION : B e sur e t o instal l th e harnes s wire s s o
tha t the y ar e no t pinche d o r interferin g wit h othe r
parts.
7. Reconnec t th e sid e impac t senso r 4 P connecto r t o
th e SR S floo r harnes s 4 P connector .
8. Instal l th e ne w sid e impac t sensor .
9. Reconnec t th e sid e airba g 2 P connector .
10 . Reconnec t th e batter y positiv e cable , the n th e nega -
tiv e cable .
11 . Afte r installin g th e sid e impac t sensor , confir m
prope r syste m operation : Tur n th e ignitio n switc h
O N (II) ; th e SR S indicato r ligh t shoul d com e o n fo r
abou t 6 second s an d the n g o off .
12 . Ente r th e anti-thef t cod e fo r th e radio , the n ente r th e
customer' s radi o statio n presets .
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