fuse box ACURA RL KA9 1996 Service Owner's Manual

12. Remov e th e vacuu m hoses , the n remov e th e clam p
fro m th e under-hoo d fuse/rela y bo x (se e pag e 5-5 ).
13 . Remov e th e batter y cable s fro m th e under-hoo d
fuse/rela y box , the n remov e th e under-hoo d fuse /
rela y box .
UNDER-HOO DFUSE/RELAYBOX
14. Reliev e fue l pressur e b y loosenin g th e servic e bol t
o n th e fue l filte r abou t on e tur n (se e sectio n 11 ).
D o no t smok e whil e workin g o n th efue l system . Kee p ope n flam e an d spark s awa y fro m
th e wor k area . Drai n fue l onl y int o a n approve d
container.
15. Remov e th e fue l fee d hos e an d fue l retur n hose .
FUEL RETUR NHOSEFUEL FEE D
HOS E
FUE L PULSATIO N
DAMPE R
2 2 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
WASHER SReplace.
16. Remov e th e evaporativ e emissio n (EVAP ) caniste r
hos e an d brak e booste r vacuu m hose .
BRAK E BOOSTE RVACUUM HOS E
EVA P CONTRO L
CANISTE R HOS E
17. Disconnec t th e connector , the n remov e th e contro l
box.
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft )
CONNECTO R CONTRO
L
BOX
BATTER YCABLE
BATTER YCABLE6 x 1. 0 m m12 N- m (1. 2 kgf-m ,8.7 Ibf-ft )
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II. Powertrai n Contro l Modul e (PCM ) Rese t Procedur e
NOTE : Th e PC M memor y settin g is neede d afte r resettin g th e PC M (se e pag e 11-125 ).
Eithe r o f th e followin g action s wil l rese t th e PCM .
• Us e th e OB D II sca n too l o r Hond a PG M Teste r t o clea r th e PCM' s memory .
NOTE : Se e th e OB D II sca n too l o r Hond a PG M Teste r user' s manual s fo r specifi c operatin g instructions .
• Tur n th e ignitio n switc h OFF . Remov e th e BAC K U P RADI O (7. 5 A ) fus e fro m th e under-hoo d fuse/rela y bo x fo r
1 0 seconds .
NOTE : I f th e BAC K U P RADI O (7. 5 A ) fus e i s remove d an d th e ignitio n switc h O N (II) , MI L wil l repor t o n an d
BAC K U P RADI O
(7. 5 A ) FUS EPCM wil l stor e th e DT C P0560 .
UNDER-HOO DFUSE/RELA YBOX
III. Fina l Procedur e (thi s procedur e mus t b e don e afte r an y troubleshooting )
1 . Remov e th e SC S servic e connecto r i f i t i s connected .
NOTE : I f th e SC S servic e connecto r i s connecte d an d ther e ar e n o DTC s store d i n th e PCM , th e MI L wil l sta y
on whe n th e ignitio n switc h is turne d O N (II) .
2. D o th e PC M Rese t Procedure .
3 . Tur n th e ignitio n switc h OFF .
4 . Disconnec t th e OB D II sca n too l o r Hond a PG M Teste r fro m th e Dat a Lin k Connector .
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Back u p Circui t
('00 - 0 1 model ) Th e sca n too l indicate s Diagnosti c Troubl e Cod e (DTC ) P0560 : Lo w Voltag e i n PC M Bac k u p
Circuit .
NOTE: If th e BAC K UP RADI O (7.5 A) fus e is remove d and th e ignitio n switch ON (II) , MIL will repor t on an d PC M will stor e
the DT C P0560 .
— Th e MI L ha s bee n reporte d o n
— DTCP056 0
Proble m verification :
1 . D o th e PC M Rese t Procedure .
2 . Star t th e engine .
I s DT C P056 0 indicated ?
YES
Intermitten t failure , syste m is O K
a t thi s time . Chec k fo r poo r con -
nection s o r loos e wire s a t BAC K
U P RADI O (7. 5 A ) fus e an d PCM .
Chec k th e fuse :
1. Tur n th e ignitio n switc h OFF .2. Inspect the BAC K U P RADI O
(7. 5 A ) fus e i n th e under-hoo d
fuse/rela y box .
I s th e fus e OK ?
NO
YE S
— Repai r shor t i n th e wir e
betwee n th e EC M (D1 ) an d
BAC K U P RADI O (7. 5 A ) fuse .
— Repai r shor t i n th e wir e th e
othe r bac k u p circui t (se e
Powe r Distribution) .
— Replac e th e BAC K U P RADI O
(7. 5 A ) fuse .
PCM CONNECTO R D (22P )
Chec k fo r a n ope n i n th e wir e
(VB U line) :
Measur e voltag e betwee n th e
PC M connecto r termina l D 1 an d
body ground .Wire sid e o f femal e terminal s
I s ther e batter y voltage ?
YES
Repai r ope n i n th e wir e betwee n
PC M (D1 ) an d BUC K U P RADI O
(7. 5 A ) fuse .
Substitut e a known-goo d PC M
an d rechec k ( se e pag e 11-42 fo r
immobilize r information) . I f symp -
tom/indicatio n goe s away , replac e
the origina l PCM .
NO
NO
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PCM CONNECTOR S
Wir e sid e o f femal e terminal s
I s ther e batter y voltage ?
Is th e fus e OK ?
NO
— Repai r shor t i n th e wir e be -twee n th e PC M (C6 ) an d th eNo . 1 4 STARTE R SIGNA L (7. 5
A ) fus e o r th e PGM-F I mai n
relay .— Replac e th e No . 1 4 STARTE RSIGNAL (7. 5 A ) fuse .
Repai r ope n i n th e wir e betwee n
the PC M (C6 ) and th e No . 1 4STARTE R SIGNA L (7. 5 A ) fuse .
YES
Inspec t th e No . 1 4 STARTE R SIG -
NA L (7. 5 A ) fus e in th e under-das h
fuse/rela y box .NO
YE S
Starte r switc h signa l i s OK .
Chec
k fo r a n ope n o r shor t i n th e
wir e (ST S line) :
Measur e voltag e betwee n PC M
connecto r terminal s C 6 an d A2 6
with th e ignitio n switc h i n th estar t positio n (III) .
NOTE : Transmissio n i n o r position .
Inspectio
n o f Starte r Switc h Sig -nal.
Thi s signal s th e PC M whe n th e engin e is cranking .
Starter Switc h Signa l
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Idle Contro l Syste m
Brake Peda l Positio n Switc h Signa l
Are th e brak e light s o n withou t
depressin g th e brak e pedal ? Inspec
t th e brak e peda l positio n
switc h (se e sectio n 19 ).
N O
Depres s th e brak e pedal .
D o th e brak e light s com e on ?
YES
Is th e fus e OK ?NO
Chec k fo r a n ope n i n th e wir e
(BKS W line) :
1 . Depres s th e brak e pedal .
2 . Measur e voltag e betwee n PC M
connecto r terminal s E 2 an d
A2 6 wit h th e brak e peda l de -
pressed . —
Repai r shor t i n th e wire be-
twee n th e brak e peda l posi -
tio n switc h an d th e STO P
HOR N (1 5 A ) fuse .
— Replac e th e STO P HOR N (1 5 A )
fuse .
Wire sid e o f femal e terminal s
I s ther e batter y voltage ? Repai
r ope n in th e wir e betwee n
th e PC M (E2 ) an d th e brak e peda l
positio n switch .
Brak e peda l positio n switc h sig -
nal i s OK .
YES
NO
— Repai r ope n i n th e wir e be -
twee n th e brak e peda l posi -
tio n switc h an d th e STO P
HOR N (1 5 A ) fuse .
— Inspec t th e brak e peda l posi -
tio n switc h (se e sectio n 19 ).
PC M CONNECTOR S
YES
NOInspec t th e STO P HOR N (1 5 A )
fus e i n th e under-hoo d fuse / rela y
box.
YES
Inspectio n o f Brak e Peda l Positio n
Switc h Signal .
This signal s th e PC M whe n th e brak e peda l i s depressed .
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Fuel Suppl y Syste m
Fuel Pressur e Regulato r (cont'd )
(From pag e 11-137 )
Chec k fo r a n ope n i n th e wir e
(IG 1 line) :
Measur e voltag e betwee n th e
contro l bo x 4 P connecto r termi -
nal No . 4 an d bod y ground .
Is ther e batter y voltage ?
YES
CONTRO L BO X4P CONNECTO R (C257 )
IG1(BLK/YEL )
Repair ope n i n wir e betwee nNo. 2 0 EC U (PCM ) (2 0 A ) fus e i nth e under-das h fuse/rela y bo x
an d th e 4 P connector . Wir
e sid e o f femal e terminal s
PC M CONNECTO R A (26P )
Wir e sid e o f femal e terminal s
I s ther e manifol d vacuum ? Repai
r ope n i n wir e betwee n
PC M (A10 ) an d th e 4 P connector .
NO
Fue l Pressur e Regulato r Contro l
Solenoi d Valv e is OK .
YES
FPRC S(RED/GRN)
JUMPE RWIRE
Chec k fo r a n ope n i n th e wir e(FPRC S line) :1. Tur n th e ignitio n switc h OFF .
2 . Reconnec t th e 4 P connecto r
t o th e contro l box .
3 . Star t th e engin e an d allo w it
to idle .4. Connec t PC M connecto r ter -
mina l A1 0 an d bod y groun d
wit h a jumpe r wire .
NO
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Fuel Suppl y Syste m
Fuel Pum p Rela y (cont'd )
(From pag e 11-139 )
FUEL PUM P RELA Y 4P CONNECTO R
(C667)
Check fo r ope n in th e fue l pum prelay:1. Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e PC M connec -
to r C (12P ) fro m th e PCM .
3 . Disconnec t th e 4 P connecto r
fro m th e fue l pum p relay .
4 . Connec t fue l pum p rela y con -
necto r terminal s No . 2 to No . 4wit h a jumpe r wire* .5. Tur n th e ignitio n switc h O N (II) .
6 . Measur e voltag e betwee n
PC M connecto r termina l C 4
an d bod y ground . CAUTION
: * th e PC M connecto r C (12P )
mus t b e disconnecte d fo r thi s tes t o r
th e PC M wil l b e damaged .
Wire sid e o f femal e terminal s
I s ther e batter y voltage ?
Replace th e fue l pum p relay .
NOWir e sid e o f femal e terminal s
Chec k fo r a n ope n in th e wire :
1 . Remov e th e jumpe r wire .
2 . Measur e voltag e betwee n th e
fue l pum p rela y 4 P connecto r
termina l No . 2 an d bod y
ground .
I s ther e batter y voltage ? Repai
r ope n in wir e betwee n th e
fue l pum p rela y an d th e No . 2 2
FUE L PUM P (2 0 A ) fus e i n th e
under-das h fuse/rela y box .
Repai r ope n o r shor t i n wir e
betwee n PC M (C4 ) an d th e fue l
pum p relay .
YES
NO
YE S
PCM CONNECTO R C (12P )
JUMPE
R
WIRE
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Fuel Gaug e
Testin g
NOTE : Refe r t o sectio n 2 3 fo r th e fue l gaug e syste m cir -
cuit .
1 . Chec k th e No . 1 3 METE R (7. 5 A ) fus e i n th e under -
dash fuse/rela y box , METE R (1 5 A ) fus e in th e under -
hood fuse/rela y bo x an d gaug e rela y befor e testing .
2. Remov e th e rea r sea t cushio n (se e sectio n 20 ).
3 . Remov e th e acces s pane l fro m th e floor .
ACCES SPANEL
FUEL GAUG ESENDIN G UNI T
4. Disconnec t th e 3 P connecto r fro m th e fue l gaug e
sendin g unit .
5. Measur e voltag e betwee n th e 3 P connecto r termi -
nal s No . 1 an d No . 2 wit h th e ignitio n switc h O N (II) .
Ther e shoul d b e betwee n 5 an d 8 V .
FUE L GAUG E SENDIN G UNI T CONNECTO R(C723)
Wire sid e o f femal e terminal s
If th e voltag e is a s specified , g o t o ste p 6 .
I f th e voltag e is no t a s specified , chec k for :
— an ope n in th e BLU/GR N o r BL K wire .
— poo r groun d (G652) . (cont'd )
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Low Fue l Indicato r Syste m
Indicato r Ligh t Testin g
1 . Chec k th e No . 1 3 METE R (7. 5 A ) fus e i n th e under -
dash fuse/rela y box , METE R (1 5 A ) fus e in th e under -
hood fuse/rela y bo x an d gaug e rela y befor e testing .
2. Par k the vehicl e o n leve l ground .
D o no t smok e whil e workin g o n th e
fue l system . Kee p ope n flam e awa y fro m th e wor k
area . Drai n fue l onl y int o a n approve d container .
• I f th e ligh t come s o n withi n 4 minutes , g o t o ste p
8.
• I f th e ligh t doe s no t com e o n withi n 4 minutes ,
go t o ste p 5 .
5 . Remov e th e rea r sea t cushio n (se e sectio n 20 ).
6 . Remov e th e fue l tan k acces s pane l fro m th e floor ,
an d disconnec t th e 3 P connecto r fro m th e fue l gaug e
sendin g unit .
7. Connec t th e No . 1 an d No . 3 terminal s wit h a jumpe r
wire.
• i f th e ligh t come s on , chec k th e sendin g unit .
• I f th e ligh t doe s no t com e on , chec k for :
— an ope n in th e BLU/RE D wir e betwee n th e fue l
uni t an d fue l gaug e assembly .
— blow n bulb .
— poo r groun d (G652) .
FUEL GAUG E SENDIN G UNI T CONNECTO R IC723 )
should g o of f withi n fou r minutes .
8. Ad d 4of fue l (1. 1 U.S . Gal . 0. 9 Imp . Gal) . Th e ligh t
3. Drai n th e fue l int o a n approve d container . The n
instal l th e drai n bol t wit h a ne w washer .
4.
an d tur n th e ignitio n switc h O N (II) . Th e lo w fue l indi -
cato r ligh t shoul d com e o n withi n 4 minutes .
Add les s tha n 8. 5(2. 2 U.S . Gal . 1. 8 Imp . Gal ) o f fuel ,
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Troubleshooting Flowchar t
Check fo r a n ope n o r shor t i n th e
wir e (BA T line) :
Measur e voltag e betwee n th e
PGM-F I mai n rela y 4 P connecto r
termina l No . 3 an d bod y ground .
I s ther e batter y voltage ?
YES
Chec k fo r a n ope n o r shor t i n th e
wir e (IGS W line) :
1 . Tur n th e ignitio n switc h O N (II) .
2 . Measur e voltag e betwee n th e
PGM-F I mai n rela y 8 P connec -
to r termina l No . 5 an d bod y
ground .
I s ther e batter y voltage ?
YES
(To pag e 11-148 ) PGM-F
I MAI N RELA Y 8P CONNECTO R (C433 )
Wir e sid e o f femal e terminal s
NORepai r ope n in th e wir e betwee n
th e PGM-F I mai n rela y an d G10 1
(locate d a t middl e o f engine) .
NO
Repai r ope n o r shor t i n th e
wir e betwee n th e PGM-F I
mai n rela y an d th e No . 6 EC U
(PCM ) (2 0 A ) fuse .
Replac e th e No . 6 EC U (PCM )
(2 0 A ) fus e in th e under-das h
fuse/rela y box . PGM-F
I MAI N RELA Y 4P CONNECTO R (C432 )
Wir e sid e o f femal e terminal s
NO
Repai r ope n o r shor t i n th e
wir e betwee n th e PGM-F I
mai n rela y an d th e No . 2 2
FUE L PUM P (2 0 A ) fuse .
Replac e th e No . 2 2 FUE L PUM P
(2 0 A ) fus e in th e under-das h
fuse box .
YES
Is ther e continuity ?
Engin
e wil l no t start .
Inspectio n o f PGM-F I mai n
rela y an d rela y harness .
Chec k fo r a n ope n in th e wir e (PG 1
line) :1. Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e PGM-F I mai n
rela y 4 P connecto r an d 8 P
connector .
3 . Chec k fo r continuit y betwee n
th e PGM-F I mai n rela y 8 P
connecto r termina l No . 7 an d
bod y ground .
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