ACURA TL 1995 Service Repair Manual

Gauge Assembl y
Componen t Locatio n Inde x
VEHICL E SPEE D SENSO R (VSS )
Replacement , pag e 23-9 8
GAUGE ASSEMBL Y
Bul b Locations , pag e 23-9 5
ENGIN E COOLAN T TEMPERATUR E
(ECT) GAUG E SENDIN G UNI TTest , pag e 23-9 9
ENGIN E OI L PRESSUR E SWITC H
Test , pag e 23-9 8
NOTE : Refer to page 23-110 of the '95-98 Acura 2.5TL
Servic e Manual , P/ N 61SW504 , for the items not shown in
thi s sub-section .
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Bulb Location s
NOTE: Refer to page 23-115 of the '95-98 Acura 2.5TL
Servic e Manual , P/ N 61SW504 , for the items not shown in
thi s sub-section .
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Engine Coolan t Temperatur e (ECT ) Gaug e
Gauge Tes t
1. Chec k th e No . 1 (1 0 A ) fus e i n th e under-das h fuse /
rela y bo x befor e testing .
2 . Remov e th e engin e cover .
3 . Mak e sur e th e ignitio n switc h i s OFF , the n discon -
nec t th e YEL/GR N wir e fro m th e EC T sendin g unit ,
and groun d it wit h a jumpe r wire .
4. Tur n th e ignitio n switc h O N (II) . Chec k tha t th e
pointe r o f th e EC T gaug e start s movin g towar d th e
"H " mark .
CAUTION : Tur n th e ignitio n switc h OF F befor e th e
pointe r reache s "H " o n th e gaug e dial . Failur e to d o
s o ma y damag e th e gauge .
• I f th e pointe r o f th e gaug e doe s no t mov e a t all ,
chec k fo r a n ope n in th e YEL/GR N wire .
I f th e wire s ar e OK , replac e th e EC T gauge .
• I f th e EC T gaug e works , tes t th e EC T sendin g
unit.
4. I f th e obtaine d reading s ar e substantiall y differen t
fro m th e specification s above , inspec t th e coolan t
leve l an d th e coolin g system . I f th e coolin g syste m
i s OK , replac e th e sendin g unit .
3
. Usin g a n ohmmeter , measur e th e chang e i n resis -
tanc e betwee n th e positiv e termina l an d th e engine
(ground ) wit h th e engin e col d an d wit h th e engin e
a t operatin g temperature .
ECT Sendin g Uni t Tes t
1. Remov e th e engin e cover .
2 . Disconnec t th e YEL/GR N wir e fro m th e EC T sendin g
unit.
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Daytime Runnin g Light s Contro l Uni t Inpu t Tes t (Canada )
Trml Wir e Tes t conditio n Test : Desire d resul t Possibl e caus e if resul t i s no t obtaine d
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4. Instal l th e combinatio n ligh t switc h i n th e revers e
orde r o f removal .
NOTE : O n TC S cars , chec k th e positio n o f th e TC S
3 P connecto r harnes s (se e sectio n 17 ).
Lightin g Syste m
Combinatio n Ligh t Switc h
Replacemen t
SRS component s ar e locate d i n thi s area . Revie w th e
SR S componen t locations , precautions , an d procedure s
i n th e SR S (sectio n 24 ) befor e performin g repair s o r ser -
vice .
1 . Remov e th e dashboar d lowe r cove r an d kne e bol -
ster .
2 . Remov e th e steerin g colum n covers .
3 . Disconnec t th e connecto r fro m th e combinatio n
ligh t switch , the n remov e th e tw o screw s an d th e
switch .
Front Parkin g Ligh t
Bulb Replacemen t
1. Remov e th e inne r cove r (Righ t fron t parkin g light) ,
o r pul l ou t th e coolan t reservoi r an d washe r fille r
nec k (Lef t fron t parkin g light) .
2 . Disconnec t th e 2 P connecto r fro m th e light .
3 . Tur n th e bul b socke t 45 ° counterclockwise , remov e
i t fro m th e ligh t housing , the n replac e th e bulb .
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Fog Ligh t
Switc h Test/Replacemen t (Wit h TCS )
1. Remov e th e cente r console .
2 . Remov e th e fo g ligh t switc h fro m th e cente r console .
3 . Chec k fo r continuit y betwee n th e terminal s i n eac h switc h positio n accordin g t o th e table .
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A/T Gea r Positio n Switc h Tes t
1. Rais e th e car , an d remov e th e transmissio n splas h shiel d (se e sectio n 14 ).
2 . Disconnec t th e 10 P connecto r fro m th e A/ T gea r positio n switch .
3 . Chec k fo r continuit y betwee n th e terminal s i n eac h switc h positio n accordin g t o th e table .
• Mov e th e shif t leve r bac k an d fort h withou t pushin g th e shif t leve r a t eac h switc h position , an d chec k fo r continuit y
withi n th e rang e o f fre e pla y o f th e shif t lever .
• I f ther e is n o continuit y withi n th e rang e o f fre e play , adjus t th e positio n o f th e A/ T gea r positio n switc h (se e sectio n 14 ).
A/ T Gea r Positio n Switc h
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Back-up Light s
Test
NOTE : Befor e testing , chec k th e No . 1 (1 0 A ) fus e i n th e
under-das h fuse/rela y box .
1. Chec k whethe r th e back-u p light s g o o n b y turnin g
the ignitio n switc h O N (II ) an d shiftin g th e shif t leve r
• I f th e back-u p light s d o no t g o on , chec k for :
blow n bulb .
faulty A/ T revers e relay ,
poo r groun d (G301 , G502) .
an ope n in th e wire .
• I f th e back-u p light s g o on , g o t o ste p 2 .
2. Wit h th e shif t leve r i n tur n th e ignitio n
switch OFF .
3. Disconnec t th e 10 P connecto r fro m th e A/ T gea r
positio n switch .
4. Chec k fo r continuit y betwee n th e No . 2 an d No . 8
terminal s wit h th e shif t leve r i n
• I f ther e is continuity , g o to ste p 5.
• I f ther e i s n o continuity , replac e th e A/ T gea r
positio n switc h (se e sectio n 14 ).
5 . Mov e th e shif t leve r bac k an d fort h a t th e
an d chec k fo r continuit y betwee n th e No . 2 an d No . 8
terminal s withi n th e rang e o f fre e pla y o f th e shif t
lever .
• I f ther e i s n o continuity , adjus t th e A/ T gea r posi -
tion switc h (se e sectio n 14 ).
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Horns
Componen t Locatio n Inde x
SRS component s ar e locate d i n thi s area . Revie w th e SR S componen t locations , precautions , an d procedure s i n th e SR S
( sectio n 24 ) befor e performin g repair s o r service .
HIGH HOR N
HORN RELA Y
CABLE REE LReplacement , sectio n 2 4
HOR
N SWITCHE S
UNDER-DAS H RELA Y BO XLOW HOR N
Test, page 23-201
Test
, page 23-20 3
Test
, page 23-203
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 .
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