1996 ACURA RL KA9 Service Repair Manual

From pag e 24-7 8(C)
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Troubleshooting - '9 6 - 9 8 Model s
DTC 9- 1 o r N o Cod e (cont'd )
From pag e 24-7 8(D)
Th e 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 -
shootin g intermitten t Failure s o n pag e 24-37 ).
Fro m pag e 24-7 8
(E)
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DTC 9- 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 unit ; th e airbag s coul d accidentall y
deploy an d caus e damag e o r injuries .
NOTE: Th e PC M memor y mus t b e rese t afte r reconnect -
ing th e batter y (se e pag e 11-125 ).
(A ) T o pag e 24-8 2
The proble m ha s disappeared . Test-driv e th e vehicl e an d
se e Troubleshootin g Intermitten t Failure s o n pag e 24-37 .
Chec k fo r shor t t o groun d betwee n th e under-das h fuse /
rela y bo x an d th e SR S unit .
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e batter y negativ e cable , the n disconnec t
the positiv e cable , an d wai t fo r 3 minutes .3. Disconnec t th e driver' s an d fron t passenger' s airba g con -
nectors , the n disconnec t th e driver' s an d fron t passen -
ger' s sea t bel t tensione r connector s (se e pag e 24-33 ).
4 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m
th e SR S unit .
5 . Chec k resistanc e betwee n th e No . 3 termina l o f SR S
mai n harnes s 18 P connecto r an d ground . Ther e shoul d
be 1 o r more .
(B)To pag e 24-8 3
Fault
y SR S unit ; replac e th e SR S uni t (se e pag e 24-181 ).
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DTC 9- 2 (cont'd )
(A) Fro m pag e 24-8 1
Troubleshootin g - '9 6 - 9 8 Model s
Check fo r a n ope n in th e SR S mai n harness :
1 . Disconnec t th e batter y negativ e cable , the n disconnec t
th e positiv e cable , an d wai t fo r 3 minutes .
2 . Disconnec t th e driver' s an d fron t passenger' s airba g con -
nectors , the n disconnec t th e driver' s an d fron t passen -
ger' s sea t bel t tensione r connector s (se e pag e 24-33 ).
3 . Disconnec t th e SR S mai n harnes s 18 P connecto r fro m
the SR S unit .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 . 3 termina l o f th e
SR S mai n harnes s 18 P connecto r an d ground .6. Tur n th e ignitio n switc h O N (II) , an d measur e voltage .
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From pag e 24-8 1(B)
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Troubleshooting - '9 9 - 0 1 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 i n 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 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 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 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 o r th e sid 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 connecto r an d th e fron t passenger' s airba g
connector .
• Befor e yo u remov e th e SR S floo r harness , disconnec t bot h sea t bel t tensione r 2 P connectors , an d disconnec t bot h sid e
airba g 2 P 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 th e specia l tools .
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Troubleshooting - '9 9 - 0 1 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 :
Readin g Wit h th e PG M Teste r
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 indi -
cate 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 nex t page) .
DATA LIN K CONNECTO R (16P )
HOND A PG M TESTE R
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