ACURA RL KA9 1996 Service Repair Manual

(B) T o pag e 24-10 1
Replac
e th e fuse , an d eras e th e memory :
1 . Replac e th e No . 7 (1 0 A ) fuse .
2 . Eras e th e DT C memor y (se e pag e 24-87 ).
3 . Tur n th e ignitio n switc h O N (II) .
Chec
k th e No . 7 (1 0 A ) fuse :
1. Tur n th e ignitio n switc h OFF .2. Chec k fo r blow n No . 7 (1 0 A ) fus e i n th e under-das h
fuse/rela y bo x (se e pag e 24-92 ).
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 n ope n in th e SR S mai n harnes s (V B line) :
1 . Disconnec t th e batter y negativ e cable , the n th e positiv e
cabl e an d wai t fo r 3 minutes .
2 . Disconnec t th e driver' s an d fron t passenger' s airba g con -
nector s (se e pag e 24-33 ).
3 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m
th e SR S uni t (se e pag e 24-92 ).
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 . 2 termina l (+ ) o f
th e SR S mai n harnes s 18 P connecto r an d bod y ground .
6 . Tur n th e ignitio n switc h O N (II) .
Tr
y 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 si x second s an d the n
goe s off .
The SR S Indicato r Ligh t Doesn' t G o Of f
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 .
Troubleshootin g - '9 9 - 0 1 Model s
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(B) Fro m pag e 24-10 0
Check th e SR S indicato r ligh t circuit :1. Tur n th e ignitio n switc h OFF .2. Remov e th e gaug e assembly . D o no t disconnec t th e con -
necto r fro m th e gaug e assembly .
3 . Connec t th e No . 1 5 termina l o f th e dashboar d wir e har -
nes s 30 P connecto r an d No . 2 2 termina l o f th e dashboar d
wir e harnes s 22 P connecto r wit h a jumpe r wir e (se e pag e
24-93 ).4 . Tur n th e ignitio n switc h O N (II) .
Fault y SR S uni t o r poo r contac t a t th e SR S mai n harnes s
18 P connector ; chec k th e connector . I f th e connecto r i s
OK , replac e th e SR S uni t (se e pag e 24-181 ).
Chec k fo r a shor t t o groun d i n th e SR S indicato r ligh t cir -
cuit:1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e dashboar d wir e harnes s 30 P connecto r
fro m th e gaug e assembl y (se e pag e 24-93 ).
3 . Chec k resistanc e betwee n th e No . 1 5 termina l o f th e
dashboar d wir e harnes s 30 P connecto r an d bod y ground .
There shoul d b e 1 o r more . Check fo r a n ope n in th e SR S indicato r ligh t circuit :1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e dashboar d wir e harnes s 30 P connecto r
fro m th e gaug e assembl y (se e pag e 24-93 ).
3 . Chec k resistance between th e No . 4 termina l o f th e SR S
mai n harnes s 18 P connecto r an d No . 1 5 termina l o f th e
dashboar d wir e harnes s 30 P connector , ther e shoul d b e
To pag e 24-10 2 (D )
(E)To pag e 24-10 3
T o pag e 24-10 2 (F )
(cont'd )
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Troubleshooting - '9 9 - 0 1 Model s
The SR S Indicato r Ligh t Doesn' t G o Of f (cont'd )
From pag e 24-10 1 (D )
From pag e 24-10 1 (F )
Chec k fo r a n ope n in th e dashboar d wir e harness :
1 . Disconnec t th e mai n wir e harnes s 8 P connecto r fro m th e
dashboar d wir e harnes s (se e pag e 24-93 ).2 . Chec k resistanc e betwee n th e No . 4 termina l o f th e SR S
mai n harnes s 18 P connecto r an d No . 6 termina l o f th e
mai n wir e harnes s 6 P connector ; ther e shoul d b e
Chec
k fo r a shor t t o groun d in th e mai n wir e harness :
1 . Disconnec t th e mai n wir e harnes s 8 P connecto r fro m th e
dashboar d wir e harnes s (se e pag e 23-93 ).2 . Chec k resistanc e betwee n th e No . 6 termina l o f th e mai n
wir e harnes s 8 P connecto r an d bod y ground . Ther e
should b e 1 o r more .
Check fo r a shor t t o groun d in th e SR S mai n harness :
1 . Disconnec t th e SR S mai n harnes s 8 P connecto r fro m th e
mai n wir e harnes s (se e pag e 23-93 ).
2 . Chec k resistanc e betwee n th e No . 6 termina l o f th e SR S
mai n harnes s 8 P connecto r an d bod y ground . Ther e
should b e 1 o r more .
To pag e 24-10 3 (G )
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From pag e 24-10 2 (G ) (E ) Fro m pag e 24-10 1
Chec k fo r a n ope n in th e mai n wir e harness :
1 . Disconnec t th e SR S mai n harnes s 8 P connecto r fro m th e
mai n wir e harnes s (se e pag e 24-93 ).
2 . Chec k resistanc e betwee n th e No . 4 termina l o f th e SR S
mai n harnes s 18 P connecto r an d No . 6 termina l o f th e
SR S mai n harnes s 8 P connector ; ther e shoul d b e 0 - 1. 0
The proble m ha s disappeare d du e t o disconnectin g an d
connectin g th e connectors . B e sur e al l terminal s mak e
goo d contact , an d rechec k th e syste m (se e Trouble -
shooting Intermitten t Failure s o n pag e 24-87 ).
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Troubleshooting - '9 9 - 0 1 Model s
DTC 1- 1 an d DT C 1- 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 .
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 Sindicato r ligh t come s o n fo r abou t 6 seconds , an d the n
goe s off . Chec
k fo r a n ope n o r increase d resistanc e in th e SR S mai n
harness :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e fron t passenger' s airba g connecto r (se e
pag e 24-95 ).
3 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m th e
SR S uni t (se e pag e 24-92 ). D o no t disconnec t th e specia l
tool fro m th e SR S mai n harnes s 2 P connector .
4 . Chec k resistanc e betwee n th e No . 9 termina l an d th e No .
1 8 termina l o f th e SR S mai n harnes s 18 P connector . Ther e
should b e 2.0-3. 0
Intermitten t failure , syste m is O K a t thi s time . Se eTroubleshootin g Intermitten t Failure s o n pag e 24-87 .
Chec k fo r a n ope n o r increase d resistanc e i n th e driver' s
airbag inflator :1. Disconnec t th e negativ e batter y cable , an d wai t fo r 3minutes .2. Disconnec t th e driver' s airba g 2 P connecto r fro m th e
cabl e ree l 2 P connecto r (se e pag e 24-94 ).
3 . Connec t th e specia l too l t o th e cabl e ree l 2 P connec -tor (se e pag e 24-94 ).4 . Reconnec t th e negativ e batter y cable .
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 ).
Ope n o r increase d resistanc e in th e driver' s airba g inflator ;
replac e th e driver' s airba g (se e pag e 24-160 ).
Chec k fo r a n ope n o r i n increase d resistanc e in th e cabl e reel :
1 . Disconnec t th e SR S mai n harnes s 2 P connecto r fro m th e
cabl e ree l 2 P connecto r (se e pag e 24-94 ).
2 . Connec t th e specia l too l t o th e SR S mai n harnes s
2 P connecto r (se e pag e 24-94 ).
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 ).
Ope n o r increase d resistanc e in th e cabl e reel ; replac e th e
cabl e ree l (se e pag e 24-176 ). Fault
y SR S uni t o r poo r contac t a t th e SR S mai n harnes s
18 P connecto r an d th e SR S unit , chec k th e connectio n
betwee n th e SR S mai n harnes s 18 P connecto r an d th e SR S
unit .
• I f th e connectio n is OK , replac e th e SR S uni t (se e pag e
24-181 ).
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DTC 1- 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 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 .
Check fo r a shor t t o anothe r wir e in th e SR S mai n harness :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e fron t passenger' s airba g connecto r (se e
pag e 24-95 ).
3 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m th e
SR S uni t (se e pag e 24-92 ).
4 . Disconnec t th e specia l too l fro m th e SR S mai n
harnes s 2 P connecto r (se e pag e 24-94 ).
5 . Chec k resistanc e betwee n th e No . 9 termina l an d th e No .
1 8 termina l o f th e SR S mai n harnes s 18 P connector . Ther e
shoul d b e 1 M O o r more .
Tr
y 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 eTroubleshootin g Intermitten t Failure s o n pag e 24-87 .
Chec k fo r a shor t t o anothe r wir e in th e driver' s airba g inflator :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e driver' s airba g 2 P connecto r fro m th e
cabl e ree l 2 P connecto r (se e pag e 24-94 ).
3 . Connec t th e specia l too l t o th e cabl e ree l 2 P connec -
to r (se e pag e 24-94 ).
4 . Reconnec t th e negativ e batter y cable .
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 ).
Shor t t o anothe r wir e i n th e driver' s airba g inflator ; replac e
th e driver' s airba g (se e pag e 24-160 ).
Chec k fo r a shor t t o anothe r wir e in th e cabl e reel :
1 . Disconnec t th e SR S mai n harnes s 2 P connecto r fro m th e
cabl e ree l 2 P connecto r (se e pag e 24-94 ).
2 . Connec t th e specia l too l t o th e SR S mai n harnes s
2 P connecto r (se e pag e 24-94 ).
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 ). Fault
y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
Shor t t o anothe r wir e i n th e cabl e reel ; replac e th e cabl e
ree l (se e pag e 24-176 ).
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Troubleshooting - '9 9 - 0 1 Model s
DTC 1- 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
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 eTroubleshootin g Intermitten t Failure s o n pag e 24-87 .
Chec k fo r a shor t t o powe r i n th e driver' s airba g inflator :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e driver' s airba g 2 P connecto r fro m th e
cabl e ree l 2 P connecto r (se e pag e 24-94 ).
3 . Connec t th e specia l too l t o th e cabl e ree l 2 P connec -
to r (se e pag e 24-94 ).
4 . Reconnec t th e negativ e batter y cable .
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 ).
I s DT C 1- 4 indicated ?
Shor t t o powe r i n th e driver' s airba g inflator ; replac e th e
driver' s airba g (se e pag e 24-160 ).
Chec k fo r a shor t t o powe r i n th e cabl e reel :
1 . Disconnec t th e SR S mai n harnes s 2 P connecto r fro m th e
cabl e ree l 2 P connecto r (se e pag e 24-94 ).
2 . Connec t th e specia l too l t o th e SR S mai n harnes s
2 P connecto r (se e pag e 24-94 ).
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 ).
Shor t t o powe r i n th e cabl e reel ; replac e th e cabl e ree l (se e
pag e 24-176 ). Chec
k fo r a shor t t o powe r i n th e SR S mai n harness :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .
2 . Disconnec t th e fron t passenger' s airba g connecto r (se e
pag e 24-95 ).
3 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m th e
SR S uni t (se e pag e 24-92 ).
4 . Disconnec t th e specia l too l fro m th e SR S mai n har -
nes s 2 P connecto r (se e pag e 24-94 ).
5 . Reconnec t th e negativ e batter y cable .
6. Tur n th e ignitio n switc h O N (II) .7. Chec k fo r voltag e betwee n th e No . 9 termina l o f th e SR S
mai n harnes s 18 P connecto r an d bod y ground , an d
betwee n th e No . 1 8 termina l o f th e SR S mai n harnes s 18 P
connecto r an d bod y ground . Ther e shoul d b e 0. 5 V or less .
Fault y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
Shor t t o powe r i n th e SR S mai n harness ; replac e th e SR S mai n
harness .
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DTC 1- 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 .
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 a shor t t o groun d in th e driver' s airba g inflator :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e driver' s airba g 2 P connecto r fro m th ecabl e ree l 2 P connecto r (se e pag e 24-94 ).3 . Connec t th e specia l too l t o th e cabl e ree l connecto r
(se e pag e 24-94 ).
4 . Reconnec t th e negativ e batter y cable .
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 ).
I s DT C 1- 5 indicated ?
Shor t t o groun d i n th e driver' s airba g inflator , replac e th e
driver' s airba g (se e pag e 24-160 ).
Chec k fo r a shor t t o groun d in th e cabl e reel :
1 . Disconnec t th e SR S mai n harnes s 2 P connecto r fro m th e
cabl e ree l 2 P connecto r (se e pag e 24-94 ).
2 . Connec t th e specia l too l t o th e SR S mai n harnes s
2 P connecto r (se e pag e 24-94 ).
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 ).
Shor t t o groun d i n th e cabl e reel ; replac e th e cabl e ree l
(se e pag e 24-176 ). Chec
k fo r a shor t t o groun d in th e SR S mai n harness :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e fron t passenger' s airba g connecto r (se epage 24-95 ).3 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m th e
SR S uni t (se e pag e 24-92 ).
4 . Disconnec t th e specia l too l fro m th e SR S mai n
harnes s 2 P connecto r (se e pag e 24-94 ).
5 . Chec k resistanc e betwee n th e No . 9 termina l o f th e SR S
mai n harnes s 18 P connecto r an d bod y ground , an d
betwee n th e No . 1 8 termina l o f th e SR S mai n harnes s 18 P
connecto r an d bod y ground . Ther e shoul d b e 1 Ml ) o r
more .
Faulty SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
Shor t t o groun d i n th e SR S mai n harness ; replac e th e SR S
mai n harness .
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DTC 2- 1 an d DT C 2- 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 .
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 a n ope n o r increase d resistanc e in th e SR S mai n
harness :1. Disconnec t th e negativ e batter y cable , an d wai t fo r 3minutes .2. Disconnec t th e driver' s airba g 2 P connecto r (se e pag e 24-94 ).3. Disconnec t th e SR S mai n harnes s 18 P connecto r fro m th e
SR S uni t (se e pag e 24-92 ). D o no t disconnec t th e specia l
too l ( 2 ) fro m th e SR S mai n harnes s 4 P connector .
4 . Chec k resistanc e betwee n th e No . 8 an d No . 1 7 terminal s
an d betwee n th e No . 7 an d No . 1 6 terminal s o f th e SR S
main harnes s 18 P connector . Ther e shoul d b e 2. 0 - 3. 0
Chec k fo r a n ope n o r increase d resistanc e in th e fron t pas -
senger' s airba g inflator :
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 mai n harnes s 4 P connecto r fro m th e
fron t passenger' s airba g 4 P connecto r (se e pag e 24-95 ).
3 . Connec t th e specia l too l t o th e SR S mai n harnes s
4 P connecto r (se e pag e 24-95 ).
4 . Reconnec t th e negativ e batter y cable .
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 ).
Ope n o r increase d resistanc e i n th e fron t passenger' sairbag inflator ; replac e th e fron t passenger' s airba g (se e
pag e 24-160 ). Fault
y SR S uni t o r poo r contac t a t th e SR S mai n harnes s
18 P connecto r an d th e SR S unit ; chec k th e connectio n
betwee n th e SR S mai n harnes s 18 P connecto r an d th e SR S
unit . I f th e connecto r i s OK , replac e th e SR S uni t (se e pag e24-181 ).
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DTC 2- 3
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 to 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 Sindicato r ligh t come s o n fo r abou t 6 seconds , an d the n
goe s off . Chec
k fo r a shor t t o anothe r wir e in th e SR S mai n harness :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e driver' s airba g 2 P connecto r (se e pag e 24-94 ).3 . Disconnec t th e specia l too l fro m th e SR S mai n har -
nes s 4 P connecto r (se e pag e 24-95 ).
4 . Disconnec t th e SR S mai n 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 an d No . 1 7 terminal s
an d betwee n th e No . 7 an d No . 1 6 terminal s o f th e SR S
main harnes s 18 P connector . Ther e shoul d b e 1 o r
more .
Chec k fo r a shor t t o anothe r wir e i n th e fron t passenger' s
airba g inflator :
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 mai n harnes s 4 P connecto r fro m th e
fron t passenger' s airba g 4 P connecto r (se e pag e 24-95 ).
3 . Connec t th e specia l too l t o th e SR S mai n harnes s
4 P connecto r (se e pag e 24-95 ).
4 . Reconnec t th e negativ e batter y cable .
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 ).
Intermitten t failure , syste m is O K a t thi s time . Se eTroubleshootin g Intermitten t Failure s o n pag e 24-87 .
Shor t t o anothe r wir e i n th e fron t passenger' s airba g infla -
tor ; replac e th e fron t passenger' s airba g (se e pag e 24-160 ). Fault
y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
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