ACURA TL 1995 Service Repair Manual

Radiator Fa n Contro l Modul e
Terminal s
TERMINA L SID E O F
MAL E TERMINALS ,
Fan Moto r Tes t
RADIATO R FA NCONTRO LMODULE
NOTE: Se e sectio n 2 2 fo r th e inpu t test .
Termina lWire Connects to
1. Disconnec t th e 2 P connecto r fro m eac h fa n motor .
CONDENSE R FA N MOTO R RADIATO R FA N MOTO R
TERMINA L SID E O FMAL E TERMINAL S
2. Tes t th e moto r b y connectin g batter y powe r t o th e
No . 2 termina l an d groun d t o th e No . 1 terminal .
3 . I f th e moto r fail s t o ru n o r doe s no t ru n smoothly ,
replac e it .
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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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Gauge/Terminal Locatio n Inde x
CONNECTO R "A " (C612 )
CONNECTOR "B " (C613 )
FUE L GAUGE :
Gaug e Test , pag e 23-12 1
Sendin g Uni t Test , pag e 23-12 2 ENGIN
E COOLAN T TEMPERATUR E (ECT ) GAUGE :
Gaug e Test , pag e 23-12 4
Sendin g Uni t Test , pag e 23-12 4
SPEEDOMETER :Indicates 6 0 mp h a t 102 5 rp m(60 km/ h at 63 7 rpm ) of th evehicl e spee d senso r (VSS) .
CONNECTO R "D " (C615 ) CONNECTO
R "C " (C614 )
SAFET
Y INDICATO R
Se e pag e 23-13 5
TACHOMETER :Indicates 10 0 rp m a t
25 0 pulse s pe r minut e
of th e ignitio n contro lmodule (ICM) .
A/
T GEA R POSITIO N
INDICATO R SYSTE M
Se e pag e 23-14 2
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Gauge Assembl y
Removal
SRS component s ar e locate d in 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 .
1 . Remov e th e instrumen t pane l (se e sectio n 20 ).
2 . Remov e th e fou r screw s fro m th e gaug e assembly ,
and sprea d a protectiv e clot h o n th e uppe r colum n
cover.
PROTECTIV E CLOT H
3. Pr y th e gaug e assembl y out , an d disconnec t th e
connectors .
4. Carefull y remov e th e gaug e assembly .
5 . Instal l i n th e revers e orde r o f removal .
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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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Speedometer/Trip Meter/Odometer

Troubleshooting

NOTE:

The numbers in the table show the troubleshooting sequence.

If necessary, replace the speedometer, trip meter, and odometer as a unit.

VSS Input Test

Trml

Wire
Test condition
Test: Desired result
Possible cause if result is not obtained

1

2

3
BLK

YEL

ORN
Under all conditions

Ignition switch ON (II)

Ignition switch ON (II)
Check for continuity to ground:

There should be continuity.

Check for voltage to ground:

There should be battery voltage.

Check for voltage to ground:

There should be about 5 V or more.
• Poor ground (G101)

• An open in the wire

• Blown No. 1 (10 A) fuse in the

under-dash fuse/relay box

• Short to ground

• An open in the wire

• Short to ground

• An open in the wire

NOTE: A short to ground in the ORN wire can be caused by a short in any component connected to it.ProCarManuals.com

Vehicle Spee d Senso r (VSS )
Troubleshootin g
Speedometer, tri p meter , an d odomete r d o no t work .
Befor e testing , inspec t th e No . 1 (1 0 A ) fus e in th e under-das h fuse/rela y box .
TEST HARNES S
07LA J - PT3020 A
RED TES T HARNES S
CLIP
PROTECTIV ETAPE
VSS
Is ther e continuity ?Repair ope n i n th e BL K wir ebetwee n th e VS S an d G101 .GRN TES T HARNES S
CLI P
TES T HARNES S
07LA J - PT3020 A
Tes t th e YE L wire :
1 . Connec t th e othe r tes t harnes s
connecto r t o th e VSS .
2. Connec t th e WH T tes t harnes sclip t o th e positiv e prob e o f avoltmeter , an d connec t th e RE D
tes t harnes s cli p t o th e negativ e
probe.3. Tur n th e ignitio n switc h O N (II) .
RED TES T HARNES S
Is ther e batter y voltage ?Repair ope n i n th e YE L wir ebetwee n th e VS S an d th e under -dash fuse/rela y box .VSS
PROTECTIV ETAPE
WH T TES T HARNES S CLI P
(T o pag e 23-119 )
Tes
t th e BL K wire :
1. Disconnec t th e 3 P connecto rfrom th e vehicl e spee d senso r(VSS).2. Connec t th e tes t harnes s onl yto th e engin e wir e harness .3. Connec t th e RE D tes t harnes sclip to th e positiv e prob e o f a nohmmeter .4. Chec k fo r continuit y betwee nthe RE D tes t harnes s cli p an dbod y ground .
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(From pag e 23-118 ) TES
T HARNES S
07LA J - PT3020 A
Tes t th e OR N wire :
Connec t th e GR N tes t harnes s
clip t o th e positiv e prob e o f avoltmeter , an d connec t th e RE D
tes t harnes s cli p t o th e negativ e
probe .
I s ther e abou t 5 V or more ? Repai
r ope n o r shor t i n th e OR N
wir e betwee n th e VS S an d ECM ,
transmissio n contro l modul e
(TCM) , an d cruis e contro l unit .
Tes t th e VSS :
1. Tur n th e ignitio n switc h OFF .2. Rais e th e fron t o f th e car , an d
suppor t i t wit h safet y stands .
3. Pu t th e ca r i n neutra l wit h th eignitio n switc h O N (II) .4. Slowl y rotat e on e whee l wit h
th e othe r whee l blocked .
VSS
GR N TES T HARNES S CLI P
Doe s voltag e puls e fro m 0 to
approx . 5 V or more ? Replac
e th e VS S (se e pag e
23-120 ).
Tes t th e Speedometer :
1 . Disconnec t th e 16 P connecto r
"A " (C612 ) fro m th e gaug e
assembly .
2 . Connec t a voltmete r betwee n
the OR N wire , an d bod y ground .3. Slowl y rotat e on e whee l wit hthe othe r whee l blocked . GAUG
E ASSEMBL Y 16 P CONNECTO R "A " (C612 )
WIR E SID E O F
FEMAL E TERMINAL S
Doe s th e mete r indicat e puls -
in g voltag e ( 0 to approx . 5 V
o r more) ? Repai
r ope n i n th e OR N wir e
betwee n th e VS S an d th e speed -
ometer .
Replac e th e speedometer .
PROTECTIVETAPE
RED TES THARNES SCLIP
WH T TES T HARNES SCLIP
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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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