engine ACURA TL 1995 Service Repair Manual

(From page 23-96 )
Chec k fo r shor t i n contro l unit(s) :
1 . Tur n th e ignitio n switc h OFF .
2 . Reconnec t th e AB S contro l
uni t connector .
3 . Tur n th e ignitio n switc h O N
(II) , an d chec k th e chargin g
system light .4. Tur n th e ignitio n switc h OF Fagain .5. Reconnec t th e integrate d con -trol uni t connector .6. Tur n th e ignitio n switc h O N
(II) , an d chec k th e chargin g
system ligh t again .
Did th e ligh t sta y of f whe n yo u
turne d o n th e ignitio n switc h afte r
connectin g eac h contro l uni t con -
nector ?
Check fo r a n ope n in th e IG circuit :
Measur e th e voltag e a t th e No .
3*
1 o r No . 1*2 termina l o f th e 4 Pconnector .
ALTERNATO R 4 P CONNECTO R
'95-96 model s '97-9 8 model s
Replac e th e contro l uni t tha t
cause d th e ligh t t o com e on .
WIR E SID E O F FEMAL E TERMINAL S
Is ther e batter y voltage ? Tur
n th e ignitio n switc h OFF , an d
repai r th e ope n circui t i n th e BLK /YEL wire .
Chec k th e Alternator/Regulator :1. Connec t th e 4 P connecto r t o
th e alternator .
2 . Tur n th e ignitio n switc h O N
(II).
Doe s th e chargin g syste m
ligh t com e on ? Chec
k th e alternator/regulato r(see pag e 23-98 ).
3 . Star t th e engine .
Doe s th e chargin g syste m
ligh t g o off ? Chec
k th e alternator/regulato r
(see pag e 23-98 ).
Th e chargin g syste m ligh t circui tis OK .
*1: '9 5 -9 6 model s*2: '9 7 - 9 8 model s
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Charging Syste m
Troubleshootin g (cont'd )
NOTE: B e sur e th e batter y is sufficientl y charge d (se e pag e 23-60 ).
Alternator/Regulato r Test-1 :
1 . Connec t th e Su n 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 d
star t th e engine . Hol d th e
engin e a t 3,00 0 rp m wit h n o
loa 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 ? LOA
D ADJUSTE R
(CARBON PILE )
FULL FIEL DTESTE RLEAD (BLU )
VOLTMETE RNEGATIVELEAD (BLK )
VOLTSELECTO R
FIELDSELECTO R
B TERMINA LWIRE
INDUCTIV EPICK-UP
VOLTMETE RPOSITIVELEAD (RED )
NEGATIV E TESTE RCABLE (BLK )
POSITIV E TESTE RCABLE (RED )
Replac e th e voltag e regulator .
Tes t an d repai r th e alternato r com -
ponents .
(T o page 23-99) INDUCTIV
E
PICK-UP(GRN)
TEST SELECTO RSWITCH
Alternator/Regulato r Test-2 :
1 . Releas e th e accelerato r pedal ,
an d le t th e engin e idle .
2 . Mak e sur e al l accessorie s ar e
turne d off . Tur n th e selecto r
switc h t o positio n 2 (charging) .
3 . Remov e th e inductiv e pick-up ,
an d zer o th e ammeter .
4 . Plac e th e inductiv e pick-u p
ove r th e B termina l wire of th e
alternato r s o tha t th e arro w
points awa y fro m th e alterna -tor.5. Rais e th e engin e spee d t o
2,00 0 rpm , an d hol d i t there .
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Gauge Assembl y
Componen t Locatio n Inde x
FUEL GAUG E SENDIN G UNI T
Test , pag e 23-12 1
VEHICLE SPEE D SENSO R (VSS )
Troubleshooting , pag e 23-11 7
Replacement , pag e 23-12 0
PARKIN G BRAK E SWITC H
Test , pag e 23-12 5
ENGINE OI L PRESSUR E SWITC H
Test , pag e 23-12 0 ENGIN
E COOLAN T TEMPERATUR E (ECT )
GAUG E SENDIN G UNI TTest , pag e 23-12 4
BRAK
E FLUI D LEVE L SWITC H
Test , pag e 23-12 5
GAUG
E ASSEMBL Y
Gauge/Termina l Location s Index , pag e 23-11 1
Removal , pag e 23-11 4
Bulb Locations , pag e 23-11 5Disassembly , pag e 23-11 6
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Bulb Locations

GAUGE LIGHTS

(1.4
W x 2)

HIGH BEAM INDICATOR LIGHT (1.4 W)

SEAT BELT REMINDER LIGHT (1.4 W)

RIGHT TURN SIGNAL INDICATOR LIGHT (1.4 W)

MALFUNCTION INDICATOR LAMP

(MIL) (1.4
W)

LOW FUEL

INDICATOR LIGHT (3 W)
BRAKE SYSTEM LIGHT (1.4 W)

LEFT TURN SIGNAL INDICATOR LIGHT (1.4 W)

SRS INDICATOR LIGHT (1.4 W)

(On the SRS printed circuit board)

CHARGING SYSTEM LIGHT (1.4 W)

LOW ENGINE OIL PRESSURE

INDICATOR LIGHT (1.4 W)

ABS INDICATOR LIGHT (1.4 W)

DRL INDICATOR

LIGHT (1.4 W) (Canada)

CRUISE LIGHT (2 W)

A/T GEAR POSITION INDICATOR LIGHTS (1.12 W x 7)
GAUGE LIGHTS

(3.4
W x 2)
SAFETY

INDICATOR

LIGHTS

(1.12
W x 6)
GAUGE LIGHTS

(3.4
W x 3)ProCarManuals.com

Gauge Assembl y
Disassembl y
TACHOMETE R MOUNTIN G SCRE W (x 3 )
ENGIN E COOLAN T
TEMPERATUR E (ECT )
GAUG E
MOUNTIN G SCREW S ( x 3 ) SR
S INDICATO R PRINTE D
CIRCUI T BOAR D
SPEEDOMETE R MOUNTIN G SCREW S (x 4 )
FUE L GAUG E
MOUNTIN G SCREW S ( x 3 )
BUL B HOUSIN G (ILLUMINATION )
PRINTED CIRCUI T BOAR D
HOUSIN G
SAFETY INDICATO R
PRINTE D CIRCUI T BOAR D
A/ T GEA R POSITIO N INDICATO R
DIMMING PRINTE D CIRCUI T BOAR D
ENGINE COOLAN T
TEMPERATUR E (ECT ) GAUG E
Test , pag e 23-12 4
SPEEDOMETE RSpecification, pag e 23-11 1 FUE L GAUG E
Test , pag e 23-12 1
TACHOMETE R
Specification, page 23-111
METE R VISO R METE
R PANE L
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Engine Lo w Oi l Pressur e
Vehicle Spee d Senso r (VSS ) Indicato r Syste m
Replacemen t
1. Disconnec t th e 3 P connecto r fro m th e vehicl e spee d
senso r (VSS) .
2. Remov e th e tw o mountin g bolts , the n remov e th e
VSS .
NOTE : Th e VS S driv e lin k i s a ver y smal l part ; b e
carefu l no t t o los e it .
3P CONNECTO R
VSS
MOUNTIN GBOLT
DRIV E LIN K
3. Instal l i n th e revers e orde r o f removal .
Switch Tes t
1. Remov e th e YEL/RE D wir e fro m th e engin e oi l pres -
sur e switch .
2 . Chec k fo r continuit y betwee n th e positiv e termina l
an d th e engin e (ground) .
• Ther e shoul d b e continuit y wit h th e engin e
stopped .
• Ther e shoul d b e n o continuit y whe n th e engin e
runs.
YEL/RE D WIR E
ENGIN E OI L PRESSUR E SWITC H
OIL FILTE R
POSITIV E TERMINA L
3. I f th e switc h fail s t o operate , chec k th e engin e oi l
level . I f th e engin e oi l leve l i s OK , chec k th e engin e
oi l pressur e and , i f necessary , inspec t th e oi l pum p
(se e sectio n 8 ).
MOUNTIN GBOLT
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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 in th e under-das h fuse /
rela y bo x befor e testing .
2 . 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 .
3.
YEL/GR N WIR E
EC T SENDIN G UNI T
Turn 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 t o 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.
ECT Sendin g Uni t Tes t
1. Disconnec t th e YEL/GR N wir e fro m th e EC T sendin g
unit .
ECT SENDIN G UNI TYEL/GR N WIR E
2.
POSITIV E TERMINA L
Using 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 engin e
(ground ) wit h th e engin e col d an d wit h th e engin e
at operatin g temperature .
3. I f th e obtaine d reading s ar e substantiall y differen t
from 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 .
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Actuator Assembl y Tes t
1. Disconnec t th e 4 P connecto r fro m th e actuator .
2 . Chec k th e outpu t linkag e fo r smoot h movement .
3 . Connec t batter y powe r t o th e No . 4 termina l an d
groun d t o th e No . 1 terminal .
4 . Chec k fo r a clickin g soun d fro m th e magneti c clutch .
Th e outpu t linkag e shoul d b e locked .
5 . I f th e outpu t linkag e is no t locked , replac e th e actuato r
assembly .
TERMINA L SID E O F MAL E TERMINAL S
4 P CONNECTO R
ACTUATOR
ASSEMBL Y
6. Chec k th e operatio n o f th e actuato r moto r i n eac h
outpu t linkag e positio n accordin g to th e table .
You shoul d b e abl e t o hea r th e motor .
OUTPU TLINKAG E
MIDDLEPOSITIO N
FULL CLOS E
Actuato r Cabl e Adjustmen t
1. Chec k tha t th e actuato r cabl e operate s smoothl y
wit h n o bindin g o r sticking .
2 . Star t th e engine , an d war m it u p to norma l operatin g
temperatur e (th e radiato r fa n come s o n twice) .
3 . Measur e ho w fa r th e outpu t linkag e move s fro m th e
full y close d position . Fre e pla y shoul d b e 1 1 ± 1. 5 m m
(0.4 3 ± 0.0 6 in) .
OUTPU T
LINKAG EADJUSTIN G NU T
ACTUATO RCABLE
4. I f th e fre e pla y i s no t withi n specs , loose n th e lock -
nut , an d tur n th e adjustin g nu t a s required .
NOTE : I f necessary , chec k th e throttl e contro l syste m
(se e sectio n 11 ), the n rechec k th e outpu t linkag e fre e
play .
5. Retighte n th e locknut , an d rechec k th e fre e play .
Actuato r Disassembl y
ACTUATOR COVE R
ACTUATO R
FULL
OPE N FULL
Y CLOSE D POSITIO N
LOCKNU
T
FRE E PLAY :
11 ± 1. 5 m m (0.4 3 ± 0.06 in)
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