ACURA TL 1995 Service Repair Manual

Charging Syste m
Componen t Locatio n Inde x
CHARGIN G SYSTE M LIGH T
(I n th e gaug e assembly )
ALTERNATO RAlternator an d Regulato r Test , pag e 23-8 3
Replacement , pag e 23-8 5
Overhaul , pag e 23-8 6
ALTERNATOR BEL T
Inspectio n an d Adjustment , pag e 23-8 9
BATTER YTest, pag e 23-5 6 Test
, pag e 23-8 1
Bulb Locations , pag e 23- 115
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Charging Syste m
Troubleshootin g
If th e chargin g syste m ligh t doe s no t com e o n o r doe s no t g o off , o r th e batter y i s dea d o r low , tes t th e followin g item s i n
th e orde r liste d below :
1 . Batter y (se e pag e 23-56 )
2 . Chargin g Syste m Ligh t
3. Voltag e Chec k
4. Alternator/Regulato r
(To page 23-82 )
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Charging Syste m
Troubleshootin g (cont'd )
(From page 23-81 )
Check th e alternator/regulato r
(se e pag e 23-83 ).
Chec k th e alternator/regulato r
(se e pag e 23-83 ).
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NOTE: B e sur e th e batter y i s sufficientl y charge d (se e pag e 23-56 ).
(T o page 23-84)
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Charging Syste m
Troubleshootin g (cont'd )
(From page 23-83 )
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 .
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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 -
set buttons .
2. Disconnec t th e batter y negativ e cable , the n discon -
nec t th e positiv e cable .
3 . Remov e th e lowe r mountin g bolt , adjustin g loc k
bol t an d adjustin g rod , the n remov e th e bel t fro m
th e pulley . 4
. A s show n i n th e illustration , rotat e th e alternato r 9 0
degree s counterclockwis e an d pul l i t ou t towar d you .
5 . Disconnec t th e 4 P connecto r an d th e 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 .
6 . Instal l i n th e revers e orde r o f removal .
7 . Adjus t th e alternato r bel t tensio n (se e pag e 23-89 ).
8 . Ente r th e anti-theft code fo r th e radio , the n ente r th e
customer' s radi o statio n presets .
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STATOR/DRIVE EN D HOUSIN G
Test , pag e 23-8 8
ROTO
R
Test , pag e 23-8 8
Chargin g Syste m
Alternato r Overhau l
NOTE: D o no t remov e th e pulle y unles s th e fron t bear -
in g need s replacement .
T o loose n th e pulle y locknut , us e th e tool s a s shown . I f
necessary , us e a n impac t wrench .
BRUSH ASSEMBL Y
Inspection , pag e 23-8 7
RECTIFIE R ASSEMBL Y
Test , pag e 23-8 7
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Alternator Bel t Inspectio n an d Adjustmen t
Deflection method :
Appl y a forc e o f 9 8 N (1 0 kgf , 2 2 Ibf) , an d measur e th e
deflectio n betwee n th e alternato r an d crankshaf t pulley .
Deflection : 9. 0 - 11. 5 m m (0.3 5 - 0.4 5 in )
NOTE : O n a brand-ne w bel t (on e tha t ha s bee n ru n fo r
les s tha n fiv e minutes) , th e deflectio n shoul d b e 5. 5 - 7. 0
m m (0.2 2 - 0.2 8 in ) whe n firs t measured . I f th e bel t i s
wor n o r damaged , replac e it . Bel
t tensio n gaug e method :
Attac h th e bel t tensio n gaug e t o th e bel t an d measur e
th e tension . Follo w th e gaug e manufacturer' s instruc -
tions.
Tension : 39 0 - 59 0 N (4 0-6 0 kgf , 88-13 2 Ibf )
NOTE : O n a brand-ne w belt , (on e tha t ha s bee n ru n fo r
les s tha n fiv e minutes) , th e tensio n shoul d b e 78 5 -
98 0 N (8 0 - 10 0 kgf , 17 6 - 22 0 Ibf ) whe n firs t measured .
I f th e bel t i s wor n o r damaged , replac e it .
BEL T TENSIO N GAUG E
07JG G-001010 A
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Fan Control s
Componen t Locatio n Inde x
ENGIN E COOLAN TTEMPERATUR E (ECT )SWITC H
Test , sectio n 10
Removal , sectio n 1 0
Radiato r Fa n Control :
Whe n th e engine oil temperatur e is abov e approximatel y 198° F (92°C ) afte r th e engin e ha s stopped , th e radiato r fa n wil l ru n
fo r abou t 1 5 minutes . Th e engin e coolan t temperatur e (ECT ) switc h i s i n th e thermosta t housing . Th e engin e oi l tempera -
tur e switc h i s locate d o n th e valv e cover . Th e radiato r fa n contro l modul e is locate d behin d th e glov e box .
ENGIN E OI L TEMPERATUR ESWITCHTest, sectio n 6
Replacement , sectio n 6
Test , page 23-109
Removal , sectio n 1 0 Test
, page 23-109
Removal , sectio n 1 0 Terminals
, page 23-93
Test
, page 23-62
Test, page 23-62
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Troubleshooting
NOTE: Th e number s in th e tabl e sho w th e troubleshootin g sequence .
Radiator Fa n Contro l Modul e Terminal s
NOTE: Se e sectio n 2 2 fo r th e inpu t test .
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