ACURA RL KA9 1996 Service Repair Manual

Refer t o pag e 24-3 3 fo r th e disconnec t th e connector(s) .
Precautions/Procedure s
Disconnecting th e Airba g Connectors , Sid e Airba g Connectors , an d Sea t
Bel t Tensione r Connector s '9 9 - 0 1 Model s
Before removin g a fron t airbag , sid e airba g o r othe r SR S relate d device s (th e SR S unit , th e cabl e reel , th e sid e impac t sen -
sor s an d th e sea t bel t tensione r connector) , disconnectin g connector s fro m relate d devices , o r removin g th e dashboar d o r
th e steerin g column , disconnec t th e airba g connector s o r th e sid e airba g connector s t o preven t accidenta l deployment .
Tur n th e ignitio n switc h OF F an d disconnec t th e negativ e cabl e fro m th e battery , an d wai t a t leas t 3 minute s befor e begin -
nin g th e followin g procedures .
• Befor e disconnectin g th e SR S mai n harnes s 18 P connecto r (A ) fro m th e SR S unit , disconnec t driver' s airba g 2 P connec -
to r (C ) an d fron t passenger' s airba g 4 P connecto r (D) .
• Befor e disconnectin g th e SR S floo r harnes s 18 P connecto r (E ) fro m th e SR S unit , disconnec t bot h sea t bel t tensione r 2 P
connector s (G , I) , bot h sid e airba g 2 P connector s (J , K) .
• Befor e disconnectin g th e cabl e ree l 2 P connecto r (B) , disconnec t th e driver' s airba g 2 P connecto r (C) .
• Befor e disconnectin g th e lef t sid e wir e harnes s 2 P connecto r (F) , disconnec t th e driver' s sea t bel t tensione r 2 P connec -
tor (G) .
• Befor e disconnectin g th e righ t sid e wir e harnes s 2 P connecto r (H) , disconnec t th e fron t passenger' s sea t bel t tensione r
2P connecto r (I) .
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1. 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
leas t 3 minutes .
2 . Disconnec t th e driver' s an d fron t passenger' s airba g
connectors . Disconnec t th e driver' s an d fron t pas -
senger' s sea t bel t tensione r connectors , the n dis -
connec t th e driver' s an d fron t passenger' s sid e
airba g connectors .
NOTE : Fo r disconnectin g th e spring-loade d loc k typ e
connector , refe r t o pag e 24-29 .
Driver' s Airbag :
• Remov e th e acces s pane l fro m th e steerin g wheel ,
the n disconnec t th e 2 P connecto r betwee n th e driver' s
airba g an d cabl e reel .
NOTE : Whe n disconnected , th e airba g connecto r i s
automaticall y shorted .
Fron t Passenger' s Airbag :
• Remov e th e glov e bo x (se e sectio n 20 ).
• Disconnec t th e 2 P ('9 6 - 9 8 models ) o r 4 P ('9 9 - 0 1
models ) connecto r betwee n th e fron t passenger' s
airba g an d SR S mai n harness .
NOTE : Whe n disconnected , th e airba g connecto r i s
automaticall y shorted .
DRIVER' S SIDE : LEF T SID E WIR E HARNES S 2 P CONNECTO R
FRON T PASSENGER' S SIDE : RIGH T SID E WIR E HARNES S
2 P CONNECTO R
Side Airbag :
• Disconnec t sid e airba g 2 P connecto r fro m th e SR S floo r
harness .
NOTE: Whe n disconnected , th e sid e airba g connecto r
i s automaticall y shorted .
Sea
t Bel t Tensioner :
• Remov e th e lef t an d righ t "B " pilla r tri m pane l (se e
sectio n 20 ).
• Disconnec t bot h sea t bel t tensione r 2 P connector s fro m
th e lef t (driver' s side ) o r righ t (fron t passenger' s side )
sid e wir e harness .
NOTE : Whe n disconnected , th e sea t bel t tensione r
connecto r i s automaticall y shorted .
SIDE AIRBA G 2P
CONNECTO R
SR S FLOO R HARNES S
2 P CONNECTO R
SR
S MAI N HARNES S
2 P o r 4 P CONNECTO R
FRON
T PASSENGER' S AIRBA G
2 P o r 4 P CONNECTO R SEA
T BEL T TENSIONE R 2 P
CONNECTO R
(With built-i n shor t contact )
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Precautions/Procedures
Steering-related Precaution s
Steering Whee l an d Cabl e Ree l Alignmen t
NOTE : T o avoi d misalignmen t o f th e steerin g whee l o n
reassembly , mak e sur e th e wheel s ar e turne d straigh t
ahea d befor e removin g th e steerin g wheel .
Rotat e th e cabl e ree l clockwis e unti l i t stops .
The n rotat e i t counterclockwis e (approximatel y 2
1/2
turns ) unti l th e arro w mar k o n th e cabl e ree l labe l point s
straigh t up . Steerin
g Colum n Remova l
CAUTION :
• Befor e removin g th e steerin g column , firs t disconnec t
th e connecto r betwee n th e cabl e ree l an d th e SR S
mai n harness .
• I f th e steerin g colum n is goin g to b e remove d withou t
dismountin g th e steerin g wheel , loc k th e steerin g b y
turnin g th e ignitio n ke y to 0-LOC K position , o r remov e
th e ke y fro m th e ignitio n s o tha t th e steerin g whee l
will no t turn .
NOTE :
• Whe n th e airba g an d cabl e ree l ar e disconnected , an d
th e batter y i s reconnecte d an d th e ignitio n switc h i s
turne d O N (II) , th e SR S uni t wil l stor e thi s a s a n ope n
i n th e driver' s airba g inflator , an d th e SR S indicato r
ligh t wil l com e on . I n suc h a case , confir m th e DTC ,
the n clea r th e SR S uni t memory .
• Fo r disconnectin g th e spring-loade d loc k typ e connec -
tor, refe r t o pag e 24-29 .
Do no t replac e th e origina l steerin g whee l wit h an y othe r
desig n becaus e i t will mak e i t impossibl e t o properl y
instal l th e airba g (us e onl y genuin e Hond a replacemen t
parts).
After reassembly , confir m th e wheel s ar e stil l turne d
straigh t ahea d an d tha t th e steerin g whee l spok e angl e is
correct . I f mino r spok e angl e adjustmen t i s necessary , d o
s o onl y b y adjustin g th e tie-rods , no t b y removin g an d
repositionin g th e steerin g wheel .
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Troubleshooting - '9 6 - 9 8 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 in memory . Fo r easie r troubleshooting , thi s dat a can be 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 dam-
ag e th e airba g circui t o r caus e accidenta l airba g deploymen t an d possibl e injury .
• 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
unit ; th 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 connector , th e fron t passenger' s airba g con -
necto r an d bot h sea t bel t tensione r 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 specia l tools .
Fo r backprobin g spring-loade d loc k typ e connectors , refe r t o pag e 24-31 .
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Troubleshooting - '9 6 - 9 8 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 :
A . 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
indicate 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 page 24-36).
DAT A LIN K CONNECTO R (16P )
HOND A PG M TESTE R
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Troubleshooting - '9 6 - 9 8 Model s
Readin g th e DT C (cont'd )
B. Th e SR S indicato r ligh t ca n als o indicat e th e DT C b y th e numbe r o f blink s whe n th e SC S servic e connecto r i s connect -
e d to 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 seconds . The n connec t th e SC S servic e connecto r t o th e servic e chec k
connecto r (2P) . I f yo u d o no t wai t 1 0 seconds , th e SR S uni t wil l no t b e completel y rese t an d wil l no t outpu t DTCs .
2 . Tur n th e ignitio n switc h O N (II) . Th e SR S indicato r ligh t come s o n fo r abou t 6 second s an d goe s off . The n i t wil l indi -
cat e th e DTC :
— Th e DT C consist s o f a mai n cod e an d a sub-code .
— Includin g th e mos t recen t problem , u p to thre e differen t malfunction s ca n b e indicated .
— In cas e of a continuou s failure , the DT C will be indicate d repeatedl y (se e exampl e 1 below).
— In cas e of a n intermitten t failure , the SR S indicato r light will indicat e the DT C on e time , then it wil l sta y on (se e exam -
pl 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 .
— In cas e 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) .
3. Rea d th e DTC .
4. Tur n th e ignitio n switc h OFF , an d wai t fo r 1 0 seconds . The n disconnec t th e SC S servic e connecto r fro m th e servic e
chec k connecto r (2P) .
SCS SERVIC E CONNECTO R07PAZ-001010 0
Example s o f DT C Indications :
1 . Continuou s 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
O N (II) , an d le t th e engin e 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 .
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
the 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 -
tem is O K a t thi s time .
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
the 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
light 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 .
SCS SERVIC E CONNECTO R07PAZ-001010 0
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Troubleshooting - '9 6 - 9 8 Model s
Diagnosti c Troubl e Cod e (DTC ) Char t
24-41
24-4 4
24-4 4
24-46
24-4 8
24-5 0
24-5 2
24-52
24-5 4
24-56
24-5 8
24-6 0
24-60
24-6 2
24-6 4
24-66
24-6 8
24-6 8
24-7 0
24-7 2
24-7 4
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24-181
24-181
24-181
24-181
24-76
24-81
24-18 1
If fus e No . 7 (1 0 A ) i s ope n o r removed , an d yo u kee p th e engin e cranking , thi s ma y b e self-diagnose d a s a failur e in th e
SR S system , an d th e SR S indicato r ligh t ma y indicat e DT C 7-2 . I n thi s case , firs t chec k th e No . 7 (1 0 A ) fus e in th e under -
das h fuse/rela y box . Next , eras e th e DT C memor y (se e pag e 24-37 ), an d chec k th e DTC . I f DT C 7- 2 doesn' t reappear , th e
SR S uni t i s normal .
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To UNDER-DASH

FUSE/RELAY BOX

2P CONNECTOR
Troubleshooting - '96 - 98 Models

SRS Indicator Light Wire Connections

SRS Indicator Light Power Circuit

MAIN WIRE HARNESS

LEFT ENGINE COMPARTMENT WIRE HARNESS

To UNDER-DASH

FUSE/RELAY BOX

18P CONNECTOR

SRS Indicator Light Control Circuit

To SRS UNIT

SRS MAIN HARNESS
C418, C475, C518 : Terminal side of male terminals

Except C418, C475, C518 : Wire side of female terminals

MAIN WIRE HARNESS
To GAUGE ASSEMBLY
DASHBOARD WIRE HARNESS

DASHBOARD WIRE HARNESS

To GAUGE ASSEMBLY

C325 : LEFT ENGINE COMPARTMENT

WIRE HARNESS 20P CONNECTOR

C339 : LEFT ENGINE COMPARTMENT

WIRE HARNESS 5P CONNECTOR

C418 : MAIN WIRE HARNESS 20P CONNECTOR

C475 : MAIN WIRE HARNESS 3P CONNECTOR

C477 : MAIN WIRE HARNESS 8P CONNECTOR
C502 DASHBOARD WIRE HARNESS 20P CONNECTOR

C508 DASHBOARD WIRE HARNESS 22P CONNECTOR

C509 DASHBOARD WIRE HARNESS 30P CONNECTOR

C518 DASHBOARD WIRE HARNESS 8P CONNECTOR

C801 SRS MAIN HARNESS 2P CONNECTOR

C805 SRS MAIN HARNESS 3P CONNECTOR

C806 SRS MAIN HARNESS 18P CONNECTORProCarManuals.com