1996 ACURA RL KA9 Service Repair Manual

Charging Syste m
Troubleshootin g (cont'd )
(From page 4-25)
Chec k fo r a n ope n in th e IG circuit :
Measur e th e voltag e a t th e No . 1
termina l o f th e 4 P connector .
I s ther e batter y voltage ?
Chec k th e Alternator/Regulator :
1. Tur n th e ignitio n switc h OFF .2. Connec t th e 4 P connecto r t o
th e alternator .
3. Tur n th e ignitio n switc h O N(II).
Doe s th e chargin g syste mlight com e on ?
4. Star t th e engine .
Doe s th e chargin g syste m
ligh t g o off ?
Th e chargin g syste m ligh t circui t
is OK .
Turn th e ignitio n switc h OFF , an drepai r th e ope n circui t i n th e BLK /YEL wire .
ALTERNATO R4P CONNECTO R
Wir e sid e o f
femal e terminal s
Check th e alternator/regulato r
(se e pag e 4-27 ).
Chec k th e alternator/regulato r
(se e pag e 4-27 ).
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Alternator/Regulator Tes t
NOTE : B e sur e th e batter y is sufficientl y charge d (se e sectio n 23 ).
1 . Connec t th e Sun VAT-4 0 (o r
equivalen t tester) , an d tur n
th e selecto r switc h t o positio n
1 (starting) .
2. Shif t t o o r position , an dstar t th e engine . Hol d th eengin e a t 3,00 0 rp m wit h n oloa d unti l th e radiato r fa ncome s on , the n le t i t idle .
3 . Rais e th e engin e spee d t o
2,00 0 rpm , an d hol d i t there .
I s th e voltag e ove r 15. 1 V ?
I s th e voltag e les s tha n 13. 5 V ?
Appl y a loa d wit h th e VAT-4 0until th e batter y voltag e drop s t obetwee n 12-13.5V . FUL
L FIEL D
TESTE R
LEA D (BLU )
LOA D ADJUSTE R
(CARBON PILE )
VOLTMETE R
NEGATIV E
LEAD (BLK )
VOLTSELECTO R
VOLTMETE R
POSITIV E
LEAD (RED )
NEGATIV E TESTE RCABLE (BLK )
FIELDSELECTO R
TEST SELECTO R
SWITC H POSITIV
E TESTE R
CABLE (RED )
B TERMINA LWIRE
INDUCTIV EPICK-UP
Replac e th e voltag e regulator .
Tes t an d repai r th e alternato r com -
ponents .
(T o page 4-28)
INDUCTIV EPICK-UP(GRN)
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Charging Syste m
Troubleshootin g (cont'd )
(From page 4-27)
I s th e amperag e 7 5 A or more ?
The chargin g syste m is OK .
Wit h th e engin e spee d stil l a t2,00 0 rpm , full-fiel d th e alternator. CAUTION
: Th e voltag e wil l ris e quickl y whe n th e alternato r i s full-fielded . D o no t allo w
th e voltag e to excee d 1 8 V ; i t ma y damag e th e electrica l system .
NOTE : Attac h a prob e t o th e VAT-4 0 ful l fiel d tes t lead , an d inser t th e prob e int o th e ful l
fiel d acces s hol e a t th e bac k o f th e alternator . Switc h th e fiel d selecto r t o th e " A (Ground) "
positio n momentarily , an d chec k th e amperag e reading .
REGULATO R(Located insid e
th e en d cover )
FULL FIEL DACCES S HOL E
END COVE R
Is th e alternato r outpu t 7 5 A ormore ?Test an d repai r th e alternato r com -ponents .
ALTERNATO R4P CONNECTO R
Tes t th e BLK/YE L Wire :
1 . Tur n th e ignitio n switc h OFF ,
the n tur n i t o n (II ) again .
2 . Disconnec t th e 4 P connecto r
fro m th e alternator .
3. Measur e voltag e betwee n bod ygroun d an d alternato r 4 P con -
necto r terminal s No . 1 an d
No. 2 individually .
Is ther e batter y voltage ?
Repair th e ope n in th e wire . Wir
e sid e o ffemal e terminal s
Replace th e voltag e regulator .
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Alternator Replacemen t
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 -
se t buttons .
2 . Disconnec t th e batter y negativ e termina l first , the n
th e positiv e terminal .
NOTE : Th e PC M memor y mus t b e rese t afte r recon -
nectin g th e batter y (se e pag e 11-125 ).
3 . Remov e th e batter y an d batter y bas e (se e pag e 4-6 ).
4 . Remov e th e mountin g bolt , loc k bol t an d adjustin g
rod , the n remov e th e alternato r belt .
LOC K BOL T8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft ) ADJUSTIN
GROD
ALTERNATO RBELT
MOUNTIN G BOL T10 x 1.2 5 mm44 N- m (4. 5 kgf-m ,33 Ibf-ft )
5. Remov e th e alternato r bracket .
ALTERNATO RBRACKET
10 x 1.2 5 mm44 N- m (4. 5 kgf-m ,
3 3 Ibf-ft )8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
6.Disconnec t th e 4 P connecto r an d harnes s cli p bracket ,
the n remov e th e termina l nu t an d th e BL K wir e fro m
th e B terminal . Tak e ou t th e alternator .
BLK WIR E8 x 1.2 5 mm12 N- m (1.2 kgf-m ,
8. 7 Ibf-ft )
4 P CONNECTO R
ALTERNATO R
7. Instal l th e revers e orde r o f removal .
8 . Adjus t th e alternato r bel t (se e pag e 4-33 ).
9 . Ente r th e anti-thef t cod e fo r th e radio , the n ente r th e
customer' s radi o statio n presets .
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