ACURA TL 1995 Service Repair Manual

24-19
24-2 2
24-24
24-26
24-28
24-30
24-3 1
24-3 2
24-33
24-77
24-3 4
NOTE :
• I n cas e DT C 5- 1 is indicated , replac e th e SR S unit . I f multipl e DTC s includin g DT C 5- 1 ar e indicated , firs t replac e th e SR S
unit , the n rechec k th e DT C indication .
• Whe n yo u retur n th e SR S uni t i n cas e o f a warrant y claim , d o no t eras e th e memory . Th e dat a wil l remai n in th e memo -
r y eve n whe n th e ignitio n switc h is turne d of f o r i f th e batter y i s disconnected .
• I f a n intermitten t failur e occurs , DT C 9- 1 wil l b e indicated . I n cas e o f a continuou s problem , ther e wil l b e n o DTC .
Diagnosti c Troubl e Cod e (DTC ) Char t
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Troubleshooting - '95-9 6 Model s
SRS Indicato r Ligh t Wir e Connection s
SRS Indicator Light Power Circuit
SRS Indicato r Ligh t Contro l Circui t
To UNDER-DAS H
FUSE/RELA Y BO X
2 P CONNECTO R
C421 : MAI N WIR E HARNES S 4 P CONNECTO R C801 : SR S MAI N HARNES S 2 P CONNECTO R
C427 : MAI N WIR E HARNES S 16 P CONNECTO R C802 : SR S MAI N HARNES S 4 P CONNECTO R
C601 : DASHBOAR D WIR E HARNES S 16 P CONNECTO R C805 : SR S MAI N HARNES S 18 P CONNECTO R
C603 : DASHBOAR D WIR E HARNES S 18 P CONNECTO R
C615 : DASHBOAR D WIR E HARNES S 5 P CONNECTO R
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Troubleshooting - '97-9 8 Model s
Self-diagnosti c Procedure s
The self-diagnosti c functio n o f th e SR S syste m allow s it 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 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 si x 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 .
NOTE : Th e dat a wil l remai n in 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 batter y is 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
Use 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 is O N (II) , o r ha s bee n turne d OF F fo r les s tha n thre e 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, and th e fron t passenger' s airba g
connector .
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 tes t harnes s an d th e SC S servic e connectors .
Fo r backprobin g spring-loade d loc k typ e connectors , refe r t o pag e 24-11 .
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Reading 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 , 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 24-39 ).
DAT A LIN K CONNECTO R (DLC ) (16P )
(cont'd )
24-39
HOND A PG M TESTE R
Troubleshooting - '97-98 Models
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Troubleshooting - '97-9 8 Model s
Reading 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 te n 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 te n 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 .
SRS INDICATO R LIGH T SERVIC E CHEC K CONNECTO R (2P )
[ORN , GRN/YEL ]
SCS SERVIC E CONNECTO R07PAZ-001010 0
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 si x second s an d goe s off . The n it 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 t o 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 (see 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 it wil l sta y o n (se e exam -
pl e 2 below) .
I f 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 .
I n 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 te n seconds . The n disconnec t th e SC S servic e connecto r fro m th e servic e
chec k connecto r (2P) .
Example s o f DT C Indications :
1. Continuou s failure , SR S Indicato r Ligh t is :
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
PGM 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 .
MEMOR Y ERAS E
SIGNA L (MES ) CONNECTO R (2P )
[GRY , GRY ] or [GRN , GRN ]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 si x sec -
ond s an d goe s off . Remov e th e SC S servic e connec -
tor fro m th e ME S connecto r (2P ) withi n fou r second s
after 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 fou r 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 fou r seconds .
7. Th e SR S indicato r ligh t indicate s tha t th e memor y is
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 te n sec -
onds .
SRS indicato rlight
MESconnecto rterminals
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
hold it ther e fo r fiv e to te n second s to fin d th e caus e
of th e intermitten t failure .
I f th e proble m recurs , th e SR S indicato r ligh t wil l
sta y 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 .
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, and 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 si x sec -
ond s an d goe s off .
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24-44
24-4 7
24-4 9
24-5 1
24-53
24-5 5
24-5 5
24-5 6
24-5 7
24-5 9
24-7 7
24-7 7
24-7 7
24-7 7
24-6 0
24-6 5
24-77
24-4
7
Troubleshootin g - '97-9 8 Model s
Diagnosti c Troubl e Cod e (DTC ) Char t
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SRS Indicato r Ligh t Wir e Connection s
C421 MAI N WIR E HARNES S 3 P CONNECTO R C80 1 : SR S MAI N HARNES S 2 P CONNECTO R
C42 7 MAI N WIR E HARNES S 16 P CONNECTO R C80 2 : SR S MAI N HARNES S 3 P CONNECTO R
C60 1 DASHBOAR D WIR E HARNES S 16 P CONNECTO R C80 5 : SR S MAI N HARNES S 18 P CONNECTO R
C60 3 DASHBOAR D WIR E HARNES S 18 P CONNECTO R
C61 5 DASHBOAR D WIR E HARNES S 5 P CONNECTO R
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Airbag
Replacemen t
After a collisio n i n whic h th e airbag s wer e deployed , th e
airba g assemblie s an d th e SR S uni t mus t b e replaced .
Stor e a remove d airba g assembl y wit h
th e pa d surfac e up . I f th e airba g i s improperl y store d
fac e down , accidenta l deploymen t coul d prope l th e uni t
wit h enoug h forc e to caus e seriou s injury . Fron
t Passenger' s Side :
'95-9 6 Models :
• Remov e th e glov e box , the n remov e th e shor t connec -
to r (RED ) fro m it' s holder .
• Disconnec t th e 3 P connecto r betwee n th e fron t pas -
senger' s airba g an d SR S mai n harness , the n connec t
th e shor t connecto r (RED ) t o th e airba g sid e o f th e con -
nector .
CAUTION
:
• Alway s disconnec t th e airba g connector s whe n th e
SR S mai n harnes s is disconnected .
• '95-9 6 Models : Alway s kee p th e shor t connecto r
(RED ) o n th e passenger' s airba g whe n th e harnes s is
disconnected .
• D o no t disassembl e o r tampe r wit h th e airbag .
NOTE:
• D o no t instal l use d SR S part s fro m anothe r vehicle .
Whe n repairing , us e onl y ne w SR S parts .
• Carefull y inspec t th e airba g befor e yo u instal l it . D o
no t instal l a n airba g tha t show s sign s o f bein g
droppe d o r improperl y handled , suc h a s dents , crack s
o r deformation .
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 pre -
set 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
leas t thre e minutes .
3 . Disconnec t th e airba g connectors :
Driver' s Side :
• 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 . '97-9
8 Models :
• Remov e th e glov e box .
• Disconnec t th e 2 P connecto r betwee n th e fron t pas -
senger' s airba g an d SR S mai n harness .
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Airbag
Replacemen t (cont'd )
4. Remov e th e airbags :
Driver' s Side :
• Remov e th e tw o Tor x bolt s usin g a Tor x T3 0 bit , the n
remov e th e driver' s airbag . Fron
t Passenger' s Side :
• Remov e th e fou r mountin g nut s fro m th e bracket .
• Remov e th e bracke t an d on e mountin g nut , the n lif t
th e fron t passenger' s airba g ou t o f th e dashboard .
NOTE : Th e li d o f th e airba g ha s pawl s o n it s sid e whic h
attac h i t t o th e dashboard . T o remov e th e airbag , cove r
th e li d an d dashboar d wit h a cloth , an d pr y carefull y
wit h a fla t ti p screwdriver .
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