1996 ACURA RL KA9 sensor

Troubleshooting - '9 9 - 0 1 Model s
DTC 3- 4
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 a shor t t o powe r i n th e driver' s sea t bel t tensioner :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e lef t sid e wir e harnes s 2 P connecto r fro m th e
driver' s sea t bel t tensione r 2 P connecto r (se e pag e 24-95 ).
3 . Connec t th e specia l too l t o th e lef t sid e wir e harnes s
2 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 ).
Shor t t o powe r i n th e driver' s sea t bel t tensioner ;
replac e th e driver' s sea t bel t (se e pag e 24-165 ).
Chec k fo r a shor t t o powe r i n th e lef t sid e wir e harness :
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 lef t
sid e wir e harnes s 2 P connecto r (se e pag e 24-96 ).
3 . Connec t th e specia l too l t o th e SR S floo r harnes s 2 P
connecto r (se e pag e 24-96 ).
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 ). Fault
y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
Chec
k fo r a shor t t o powe r i n 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 th e driver' s an d fron t passenger' s sid e airba g
connectors , the n disconnec t th e fron t passenger' s airba g
connecto r (se e pag e 24-95 , 24-96 ).
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 ).
4 . Chec k resistanc e betwee n th e No . 4 an d No . 7 terminal sof th e SR S floo r harnes s 18 P connector , an d betwee n th e
No . 4 an d No . 8 terminal s o f th e SR S floo r harnes s 18 P
connector . Ther e shoul d b e 1 o r more .
ProCarManuals.com

DTC 3- 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
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 . 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 th e driver' s an d fron t passenger' s sid e airba g
connectors , the n disconnec t th e fron t passenger' s airba g
connecto r (se e pag e 24-95 , 24-96 ).
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 ). D o no t disconnec t th e spe -
cial too l fro m th e SR S floo r harnes s 2 P connecto r
(se e pag e 24-96 ).
4 . Chec k resistanc e betwee n th e No . 4 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 . 4 an d No . 1 1 terminal s o f th e SR S floo r
harnes s 18 P connector , an d betwee n th e No . 4 an d No .
1 2 terminal s o f th e SR S floo r harnes s 18 P connector .
There shoul d b e 1 o r more .
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 .
Chec k fo r a shor t t o groun d in th e driver' s sea t bel t tensioner :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .
2 . Disconnec t th e lef t sid e wir e harnes s 2 P connecto r fro m th e
driver' s sea t bel t tensione r 2 P connecto r (se e pag e 24-95 ).
3 . Connec t th e specia l too l t o th e lef t sid e wir e harnes s2P 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 ).
Shor t t o groun d i n th e driver' s sea t bel t tensioner ;
replac e th e driver' s sea t bel t (se e pag e 24-165 ).
Chec k fo r a shor t t o groun d in th e lef t sid e wir e harness :
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 lef t
sid e wir e harnes s 2 P connecto r (se e pag e 24-96 ).
3 . Connec t th e specia l too l t o th e SR S floo r harnes s 2 P
connecto r (se e pag e 24-96 ).
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 ). Fault
y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
ProCarManuals.com

Troubleshooting - '9 9 - 0 1 Model s
DTC 4- 1 an d 4- 2
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 n ope n o r increase d resistanc e i n 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 th e driver' s an d fron t passenger' s sid e airba g
connectors , the n disconnec t th e driver' s airba g connec -
to r (se e pag e 24-95 , 24-96 ).
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 ). D o no t disconnec t th e specia l
tool fro m th e SR S floo r harnes s 2 P connector .4. Chec k resistanc e betwee n th e No . 6 an d No . 1 7 terminal s
o f th e SR S floo r harnes s 18 P connector . Ther e shoul d b e
2.0-3. 0
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 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 n ope n o r increase d resistanc e in th e fron t pas -
senger' s sea t bel t tensioner :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e righ t sid e wir e harnes s 2 P connecto r fro m
th e fron t passenger' s sea t bel t tensione r 2 P connecto r (se e
pag e 24-95 ).
3 . Connec t th e specia l too l t o th e righ t sid e wir e har -
nes s 2 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' s
sea t bel t tensioner ; replac e th e fron t passenger' s sea t
bel t (se e pag e 24-165 ). Fault
y SR S uni t o r poo r contac t a t th e SR S floo r 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 floo r harnes s 18 P connecto r an d th e
SRS unit .• 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 n ope n o r increase d resistanc e i n th e righ t sid e
wir e harness :
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
righ t sid e wir e harnes s 2 P connecto r (se e pag e 24-96 ).
3 . Connec t th e specia l too l t o th e SR S floo r harnes s 2 P
connecto r (se e pag e 24-96 ).
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 ).
ProCarManuals.com

DTC 4- 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 .
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 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 a shor t t o anothe r wir e 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 th e driver' s an d fron t passenger's side airbag
connectors , the n disconnec t th e driver' s airba g connec -
to r (se e pag e 24-95 , 24-96 ).
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 ).
4 . Disconnec t th e specia l too l fro m th e SR S floo r har -
nes s 2 P connecto r (se e pag e 24-96 ).
5 . Chec k resistanc e betwee n th e No . 6 an d No . 1 7 terminal s
o f th e SR S floo r harnes s 18 P connector . Ther e shoul d b e
1 o r more .
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 anothe r wir e in th e fron t passenger' s
sea t bel t tensioner :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .
2 . Disconnec t th e righ t sid e wir e harnes s 2 P connecto r fro m
th e fron t passenger' s sea t bel t tensione r 2 P connecto r (se e
page 24-95 ).3 . Connec t th e specia l too l t o th e righ t sid e wir e har -ness 2 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 ).
Shor t t o anothe r wir e i n th e fron t passenger' s sea t bel t
tensioner ; replac e th e fron t passenger' s sea t bel t (se e
page 24-165 ).
Chec k fo r a shor t t o anothe r wir e in th e righ t sid e wir e har -ness :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
righ t sid e wir e harnes s 2 P connecto r (se e pag e 24-96 ).
3 . Connec t th e specia l too l ( 2 0 ) t o th e SR S floo r harnes s 2 P
connecto r (se e pag e 24-96 ).
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 ).
Fault y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
ProCarManuals.com

DTC 4- 4
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 .
Troubleshootin g - '9 9 - 0 1 Model s
Check fo r a shor t t o powe r i n th e SR S floo r 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 an d fron t passenger' s sid e airba g
connectors , the n disconnec t th e driver' s airba g connec -
to r (se e pag e 24-95 , 24-96 ).
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 ).
4 . Chec k resistanc e betwee n th e No . 6 an d No . 7 terminal s
o f th e SR S floo r harnes s 18 P connector , an d betwee n th e
No . 6 an d No . 8 terminal s o f th e SR S floo r harnes s 18 P
connector. There shoul d b e 1 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 e
Troubleshootin 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 fron t passenger' s sea t bel t
tenstoner :1. Disconnec t th e negativ e batter y cable , an d wai t fo r 3minutes .2. Disconnec t th e righ t sid e wir e harnes s 2 P connecto r fro m
th e fron t passenger' s sea t bel t tensione r 2 P connecto r (se e
pag e 24-95 ).
3 . Connec t th e specia l too l t o th e righ t sid e wir e har -
nes s 2 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 ).
Shor t t o powe r i n th e fron t passenger' s sea t bel t ten -
sioner ; replac e th e fron t passenger' s sea t bel t (se e pag e
24-165 ).
Chec k fo r a shor t t o powe r i n th e righ t sid e wir e harness :
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
righ t sid e wir e harnes s 2 P connecto r (se e pag e 24-96 ).
3 . Connec t th e specia l too l t o th e SR S floo r harnes s 2 P
connecto r (se e pag e 24-96 ).
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 ). Fault
y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
ProCarManuals.com

DTC 4- 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
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 .Check 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 th e driver' s an d fron t passenger' s sid e airba gconnectors , the n disconnec t th e driver' s airba g connec -
to r (se e pag e 24-95 , 24-96 ).
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 ). D o no t disconnec t th e spe -
cial too l fro m th e SR S floo r harnes s 2 P connecto r
(se e pag e 24-96 ).
4 . Chec k resistanc e betwee n th e No . 6 termina l o f th e SR S
floor harnes s 18 P connecto r an d bod y ground , an dbetwee n th e No . 6 an d No . 1 2 terminal s o f th e SR S floo rharnes s 18 P connector , an d betwee n th e No . 6 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 .
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 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 i s 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 i n th e fron t passenger' s sea t
bel t tensioner :
1 . Disconnec t th e negativ e batter y cable , an d wai t fo r 3
minutes .2. Disconnec t th e righ t sid e wir e harnes s 2 P connecto r fro m
th e fron t passenger' s sea t bel t tensione r 2 P connecto r (se e
pag e 24-95 ).
3 . Connec t th e specia l too l t o th e righ t sid e wir e har -
nes s 2 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 ).
Shor t t o groun d i n th e fron t passenger' s sea t bel t ten -
sioner ; replac e th e fron t passenger' s sea t bel t (se e pag e
24-165 ).
Chec k fo r a shor t t o groun d in th e righ t sid e wir e harness :
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
righ t sid e wir e harnes s 2 P connecto r (se e pag e 24-96) .
3. Connec t th e specia l too l t o th e SR S floo r harnes s 2 P
connecto r (se e pag e 24-96 ).
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 ). Fault
y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
ProCarManuals.com

(A) T o pag e 24-12 6 T
o pag e 24-12 1 (B )
Short t o groun d in th e No . 1 3 (7. 5 A ) fus e relate d circuit ; refe r
t o sectio n 2 3 an d continu e troubleshooting .
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 ):
Chec
k fo r a DTC :
1 . Disconnec t th e driver' s sea t bel t buckle switch.
2 . Eras e th e DT C memor y (se e pag e 24-87 ).
3 . Rea d th e DT C (se e pag e 24-84 ).
Chec
k fo r a DTC :
1 . Connec t th e driver' s sea t bel t buckl e switch .
2 . Eras e th e DT C memor y (se e pag e 24-87 ).
3 . Rea d th e DT C (se e pag e 24-84 ).
(D) T o pag e 24-12 4
Chec
k fo r a shor t t o groun d betwee n th e No . 1 3 (7. 5 A ) fus e in
th e under-das h fuse/rela y bo x an d th e lef t sid e wir e harness :
1. Disconnec t th e driver' s tensio n reduce r solenoi d connector .2. Eras e th e DT C memor y (se e pag e 24-87 ).
3 . 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 e
Troubleshootin g Intermitten t Failure s o n pag e 24-87 .
Chec
k fo r a DTC :
1 . Disconnec t th e driver' s sea t bel t buckl e switch .
2 . Eras e th e DT C memor y (se e pag e 24-87 ).
3 . Rea d th e DT C (se e pag e 24-84 ).
DT C 9- 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 .
Troubleshootin g - '9 9 - 0 1 Model s
ProCarManuals.com

Troubleshooting - '9 9 - 0 1 Model s
DTC 9- 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 .
(H) T o pag e 24-13 1 To pag e 24-13 2 (I )
Chec
k fo r a DTC :
1 . Connec t th e fron t passenger' s sea t bel t buckl e switch .
2 . Eras e th e DT C memor y (se e pag e 24-87 ).
3 . Rea d th e DT C (se e pag e 24-84 ).
Chec k fo r a DTC :
1 . Disconnec t th e fron t passenger' s sea t bel t buckl e switch .
2 . Eras e th e DT C memor y (se e pag e 24-87 ).
3 . Rea d th e DT C (se e pag e 24-84 ).
To pag e 24-13 2 (B )
Chec k fo r readin g th e DTC :
1 . Disconnec t th e fron t passenger' s sea t bel t buckl e switch .
2 . Eras e th e DT C memor y (se e pag e 24-87 ).
3 . 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 .
(C ) T o pag e 24-12 9
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