ACURA TL 1995 Service Repair Manual

Interlock Syste m
Key Interloc k Solenoi d Tes t
1. Remov e th e dashboar d lowe r cove r an d kne e bol -
ste r (se e pag e 23-64 ).
2 . Disconnec t th e 8 P connecto r fro m th e mai n wir e
harness .
TERMINA L SID E O F
MAL E TERMINAL S
3. Chec k fo r continuit y betwee n th e terminal s i n eac h
ke y positio n accordin g to th e table .
4 . Chec k tha t th e ke y canno t b e remove d wit h powe r
an d groun d connecte d t o th e No . 5 an d No . 8 termi -
nals.
If th e ke y canno t b e removed , th e ke y interloc k
solenoi d is OK .
I f th e ke y ca n b e removed , replac e th e steerin g
loc k assembl y (th e interloc k solenoi d is no t avail -
able separately) .
Shift Loc k Solenoi d Tes t
1. Remov e th e cente r consol e (se e sectio n 20 ).
2 . Disconnec t th e shif t loc k solenoi d 2 P connector .
3 . Connec t batter y powe r t o th e No . 1 termina l an d t o
th e No . 2 termina l o f th e solenoi d momentarily .
NOTE:
Do no t connec t powe r t o th e No . 2 (- ) termina l
(revers e polarity ) o r yo u wil l damag e th e diod e
insid e th e solenoid .
Mak e sur e ther e i s clearanc e betwee n th e sto p
pi n an d bas e bracke t whe n th e solenoi d i s O N
an d OF F (se e nex t page) .
TERMINA L SID E O F MAL E
TERMINAL S
2 P CONNECTO R SHIF
T LOC K
SOLENOI D
4.
RELEAS E LEVE R
Check tha t th e shif t loc k release s whe n th e releas e
leve r i s pushed , an d chec k tha t i t lock s whe n th e
releas e leve r i s released .
5. I f th e solenoi d doe s no t work , replac e th e solenoid .
8PCONNECTO R
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Shift Loc k Solenoi d Replacemen t
1. Remov e th e cente r consol e an d shif t leve r kno b (se e
sectio n 20 ).
2 . Disconnec t th e connector s fro m th e shif t loc k sole -
noi d an d parkin g pi n switch .
3 . Remov e th e tw o locknut s an d throug h bolts , the n
remov e th e A/ T gea r positio n panel .
SHIFT LEVE R KNO B
A/ T GEA R POSITIO N
PANEL
LOCKNUT S
9. 8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
SHIFT LOC K
SOLENOI D
THROUGH BOLT S
4. Remov e th e tw o mountin g bolts , the n remov e th e
shif t loc k solenoid .
MOUNTIN G BOLT S
9. 8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
SHIF T LOC K
SOLENOI D
BASE BRACKE TSTOP PI N
5. Instal l th e shif t loc k solenoi d i n th e revers e orde r o f
removal .
NOTE : Mak e sur e ther e i s clearanc e betwee n th e
sto p pi n an d bas e bracke t whe n th e solenoi d i s O N
and OFF .
SOLENOI DON
STO P PI N
SOLENOI D
OFF
CLEARANC E
BASE BRACKE T
CLEARANC E
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Interlock Syste m
Parkin g Pi n Switc h Test/Replacemen t
1. Remov e th e cente r consol e (se e sectio n 20 ).
2 . Disconnec t th e parkin g pi n switc h 2 P connector .
3 . Chec k fo r continuit y betwee n th e terminal s i n eac h
switc h leve r positio n accordin g t o th e table .
SHIFT LEVE R
PARKIN G PI N
SWITC H
2 P CONNECTO R
TERMINAL SID E O F
MAL E TERMINAL S
4. I f necessary, replace th e parkin g pi n switch . 5
. Remov e th e screw , the n remov e th e parkin g pi n
switc h fro m th e bas e bracket .
BASE BRACKE T
SCREW
PARKIN G PI N SWITC H
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Safety Indicato r
Componen t Locatio n Inde x
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 .
SAFETY INDICATO R
Troubleshooting , pag e 23-13 8
Inpu t Test , pag e 23-13 9
Bul b Replacement , pag e 23-13 8
CEILIN G LIGH T
Test/Replacement , pag e 23-17 8
FRON T PASSENGER' S DOO R SWITC H
Test , pag e 23-18 0
RIGH T REA R DOO R SWITC H
Test , pag e 23-18 0
BRAK E SWITC H
Test , pag e 23-18 4
Peda l Heigh t Adjustment ,
sectio n 1 9 HIG
H MOUN T BRAK E LIGH T
Bul b Replacement , pag e 23-18 4
TRUN K LIGH T
Test , pag e 23-18 1
DRIVER' S DOO R SWITC H
Test , pag e 23-18 0
LEFT REA R DOO R SWITC H
Test , pag e 23-18 0 TRUN
K LATC H SWITC H
Test/Replacement , pag e 23-18 1
BRAKE LIGH TFAILUR E SENSO R
Test , pag e 23-14 1
Descriptio n
Safety Indicato r System :
Bulb s ar e use d to indicat e whe n th e trun k li d o r a doo r i s no t full y closed , o r whe n a brak e ligh t i s faulty . Th e bulb s wil l remai n
O N fo r abou t tw o second s afte r th e ignitio n switc h ha s bee n turne d O N (II ) t o sho w tha t th e syste m circui t i s functioning .
Brak e Ligh t Bul b Failur e Indicator :
I f al l brak e ligh t bulb s ar e OK , th e indicato r ligh t stay s of f becaus e th e WHT/GR N wir e i s constantl y bein g grounde d b y th e
brak e ligh t failur e sensor . Wit h th e brak e ligh t off , th e ground is provide d throug h th e diode , th e failur e senso r rela y coil , an d
the bul b filaments . Wit h th e brak e ligh t on , bot h relay s in th e sensor , connecte d in series , suppl y ground . I f eithe r o f th e tw o
bulb s is no t working , th e chai n is broke n an d th e WHT/GR N wir e is no t bein g grounded . Th e indicato r ligh t come s on .
SPOTLIGH T
Test/Replacement ,
pag e 23-17 7
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Safety Indicato r
Troubleshootin g
NOTE:
The number s i n th e tabl e sho w th e troubleshootin g sequence .
Mak e sur e tha t th e ceilin g ligh t bul b an d th e trun k indicato r ligh t bul b ar e no t blown .
Bulb Replacemen t
1. Remov e th e gaug e assembl y (se e pag e 23-114 ).
2 . Remov e th e bulb .
3 . Instal l i n th e revers e orde r o f removal .
GAUGE ASSEMBL YBULB (1.1 2 W )
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Indicator Inpu t Tes 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 service .
1 . Remov e th e gaug e assembl y fro m th e dashboar d (se e pag e 23-114 ), an d disconnec t th e 16 P connector s (C612 , C613 )
an d 13 P connecto r (C614 ) fro m th e gaug e assembly .
2 . Inspec t th e connecto r an d socke t terminal s t o b e sur e the y ar e al l makin g goo d contact .
I f th e terminal s ar e bent , loos e o r corroded , repai r the m a s necessary , an d rechec k th e system .
I f th e terminal s loo k OK , mak e th e followin g inpu t test s a t th e connector .
— If an y tes t indicate s a problem , fin d an d correc t th e cause , the n rechec k th e system .
— If al l th e inpu t test s prov e OK , th e printe d circui t boar d mus t b e faulty ; replac e it .
16 P CONNECTO R "B " (C613 )
13 P CONNECTO R "C " (C614 ) 16
P CONNECTO R "A " (C612 )
GAUG E ASSEMBL Y
CONNECTO R "A " (C612) : WIR E SID E O F FEMAL E TERMINAL S
Trml Wir e Test conditio n Test: Desire d resul t Possible caus e if resul t i s no t obtaine d
A9YE L
Ignitio n switc h O N (II ) Check fo r voltag e to ground : Ther e
shoul d b e batter y voltage . •
Blow n No . 1 (1 0 A ) fus e in th e
under-das h fuse/rela y bo x
• A n ope n i n th e wir e
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Safety Indicator

Indicator Input Test (cont'd)

CONNECTOR "B" (C613): WIRE SIDE OF FEMALE TERMINALS

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

B15

B16
ORN1

GRN/WHT
Trunk lid open

Right rear door open
Check for continuity to ground:

There should be continuity.

NOTE: Before testing, remove the

No. 37 (15 A) fuse from the

under-hood fuse/relay box.

Check for continuity to ground:

There should be continuity.

NOTE: Before testing, remove the

No. 37 (15 A) fuse from the

under-hood fuse/relay box.
• Faulty trunk latch switch

• An open in the wire

• Faulty door switch

• An open in the wire

CONNECTOR "C" (C614): WIRE SIDE OF FEMALE TERMINALS

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

C1

C2

C3

C4

C5

C12
WHT/GRN

GRN/BLU

GRN/YEL

GRN/RED

BLK/WHT

BLK
Brake pedal pushed

Driver's door open

Left rear door open

Front passenger's door

open

Ceiling light switch in

middle position

Under all conditions
Check for continuity to ground:

There should be less than 200 ohms

with the pedal pushed.

Check for continuity to ground:

There should be continuity.

NOTE: Before testing, remove the

No. 37 (15 A) fuse from the

under-hood fuse/relay box.

Connect to ground: The ceiling

light should come on.

Check for continuity to ground:

There should be continuity.
• Blown No. 30 (20 A) fuse in the

under-dash fuse/relay box

• Faulty brake switch

• Blown brake light bulbs

• Faulty brake light failure sensor

• Poor ground (G502)

• An open in the wire

• Faulty door switch

• An open in the wire

• Blown No. 37 (15 A) fuse in the

under-hood fuse/relay box

• Faulty ceiling light

• An open in the wire

• Poor ground (G401, G404)

• An open in the wireProCarManuals.com

Brake Ligh t Failur e Senso r Tes t
1. Firs t mak e sur e th e brak e light s com e o n whe n th e
brak e peda l i s pressed .
I f al l th e brak e light s com e on , g o t o ste p 2 .
I f on e o f th e brak e light s doe s no t com e on , chec k
whethe r th e bul b i s blown . I f th e bul b is OK , g o t o
ste p 2 .
I f non e o f th e brak e light s com e on , chec k th e
brak e ligh t circui t.
2 . Ope n th e trun k lid , an d pul l bac k th e lef t trun k sid e
tri m to uncove r th e failur e sensor .
3.
LEF T TAILLIGH T
FAILURESENSOR
LEFT TRUN K SID ETRIM
WIR E SID E O F FEMAL E TERMINAL S
Make sur e th e ligh t i n th e safet y
indicato r doe s no t com e o n an d sta y o n whe n th e
No . 1 termina l o f th e 6 P connecto r i s grounde d an d
th e ignitio n switc h is turne d fro m OF F to O N (II) .
If th e ligh t come s o n an d stay s on ,
chec k fo r a n ope n i n th e WHT/GR N wir e betwee n
th e safet y indicato r an d th e No . 1 termina l o f th e
failur e sensor , an d whethe r th e safet y indicato r
circui t (printe d circui t board ) ha s a problem .
If th e ligh t doe s no t sta y on , g o t o
ste p 5 .
4. Mak e sur e th e ligh t doe s no t com e o n
whe n th e ignitio n switc h i s turne d fro m OF F t o O N
(II ) wit h th e No . 2 termina l of the 6 P connecto r
grounde d an d th e brak e peda l pressed .
If th e ligh t come s o n an d stay s on ,
replac e th e failur e sensor .
If th e doe s no t sta y on , chec k fo r
a n ope n in th e BL K wir e betwee n th e No . 2 termi -
na l o f th e failur e senso r an d ground , an d chec k
fo r poo r groun d a t G502 .
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A/T Gea r Positio n Indicato r
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 .
A/T GEA R POSITIO N INDICATO R
Inpu t Test , pag e 23-14 4
Bul b Replacement , pag e 23-14 7
A/T GEA R POSITIO N SWITC H
Test , pag e 23-14 6
Replacement , sectio n 1 4
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A/T Gea r Positio n Indicato r
Indicator Inpu t Tes t
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 gaug e assembl y fro m th e dashboar d (se e pag e 23-114 ), an d disconnec t th e 16 P connector s (C612 , C613) ,
an d 13 P connecto r (C614 ) fro m th e gaug e assembly .
2 . Inspec t th e connecto r an d socke t terminal s t o b e sur e the y ar e al l makin g goo d contact .
I f th e terminal s ar e bent , loos e o r corroded , repai r the m a s necessary , an d rechec k th e system .
I f th e terminal s loo k OK , mak e th e followin g inpu t test s a t th e 16 P (C612 , C613 ) an d 13 P (C614 ) connectors .
— If a tes t indicate s a problem , fin d an d correc t th e cause , the n rechec k th e system .
— If al l th e inpu t test s prov e OK , bu t th e indicato r i s faulty , replac e th e printe d circui t board .
16P CONNECTO R "B " (C613 )
13 P CONNECTO R "C " (C614 )
16P CONNECTO R "A " (C612 )
GAUG E ASSEMBL Y
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