ACURA RL KA9 1996 Service Repair Manual

Electrical Troubleshootin g
Troubleshooting Flowchar t — Interloc k Syste m — Ke y Interloc k Syste m
Inspectio n o f th e ke y interloc k sys -tem.
Chec k Ke y Interloc k Solenoi d
Operation :
1 . Disconnec t th e ignitio n switc h
connecto r (8P) .
2 . Connec t th e No . 5 termina l o f
th e ignitio n switc h connecto r t o
th e batter y positiv e terminal ,
and connec t th e No . 4 termi -nal t o th e batter y negativ e ter -
minal .
3 . Chec k th e ke y interloc k solenoi d
operation . A clickin g soun d
shoul d b e heard .
Doe s th e ke y interloc k
solenoi d operat e properly ?
Chec k Ke y Interloc k Switc h Oper -
ation :
1 . Connec t th e No . 8 termina l o f
th e ignitio n switc h connecto r
t o th e batter y positiv e termi -
nal , an d connec t th e No . 4 ter -
mina l t o th e batter y negativ e
terminal.2. Tur n th e ignitio n switc h t o
AC C (I) , the n pus h it .
3 . Chec k th e ke y interloc k solenoi d
operation . A clickin g soun d
should b e hear d whil e push -ing th e ignitio n key , an d n osoun d shoul d b e hear d whe n
releasin g th e ignitio n key .
Doe s th e ke y interloc k
solenoi d operat e properly ?
T o pag e 14-8 5
Possibl e Caus e
Ignitio n ke y canno t b e move d
fro m AC C (I ) positio n to LOC K (0 )
positio n whil e pushin g th e igni -
tio n ke y wit h th e shif t leve r i s in
position .
IGNITION SWITC H 8P CONNECTO R
Wir e sid e o f femal e terminal s
Fault y th e ke y interloc k solenoid .
Replac e th e ignitio n ke y cylinder /
steering loc k assembly .
Faulty th e ke y interloc k switch .
Replac e th e ignitio n ke y cylinder /
steerin g loc k assembly .
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From pag e 14-8 4 MULTIPLE
X CONTRO L UNI T (DRIVER'S )
A (26P ) CONNECTO R
Wir e sid e o f femal e terminal s
I s ther e continuity ?
NO
Repai r shor t i n th e wir e betwee n
th e A 2 o r A1 3 termina l an d th e
ignitio n switc h connector .
MULTIPLEX CONTRO L UNI T (DRIVER'S )
B (16P ) CONNECTO R
I s ther e continuity ? Chec
k fo r shor t i n th e wir e
betwee n th e B 5 termina l an d th e
par k pi n switch . I f wir e i s OK ,
chec k th e par k pi n switch . Wir
e sid e o f femal e terminal s
Measur e AT P P Voltage :
1 . Tur n th e ignitio n switc h O N (II) .
2 . Measur e th e voltag e betwee n
the B 2 termina l an d bod yground .
NOTE: Shif t leve r mus t b e in
I s ther e voltage ? Repai
r ope n in th e wir e betwee n
th e B 2 termina l an d th e trans -
missio n rang e switch .
Chec
k Par k Pi n Switc h Oper -
ation:Chec k fo r continuit y betwee n th e
B 5 termina l an d bod y ground .
Chec k fo r loos e multiple x contro l
uni t (driver's ) connectors . I f nec -
essary , substitut e a known-goo d
multiple x contro l uni t (driver's )
and recheck .
Check Ke y Interloc k Solenoi d fo r
a Shor t Circuit :
1 . Disconnec t th e A (26P ) an d B
(16P ) connector s fro m th e mul -
tiple x contro l uni t (driver's) .
2 . Chec k fo r continuit y betwee n
th e A 2 termina l an d bod y
groun d an d betwee n th e A1 3
termina l an d bod y groun d indi -
vidually .
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Torque Converter Clutch (Lock-up Control) Solenoid Valves
A an d B
Tes t
1. Disconnec t th e transmissio n sub-harnes s connecto r
(14P).
2. Measur e th e resistanc e betwee n th e No . 1 termina l
(solenoi d valv e A ) o f th e transmissio n sub-harnes s
connecto r an d bod y ground , an d betwee n th e No . 3
termina l (solenoi d valv e B ) an d bod y ground . 3
. I f th e resistanc e i s ou t o f specification , disconnec t
th e 2 P connecto r fro m th e torqu e converte r clutc h
solenoi d valve s A an d B .
Termina l sid e o fmal e terminal s
TORQUE CONVERTE R CLUTC HSOLENOI D VALVE S A AN D B
4. Measur e th e resistanc e betwee n th e No . 2 termina l
(solenoi d valv e A ) o f th e torqu e converte r clutc h
solenoi d connecto r an d bod y ground , an d betwee n
th e No . 1 termina l (solenoi d valv e B ) an d bod y
ground .
STANDARD : 1 2 - 2 5
• I f th e resistanc e i s OK , replac e th e transmissio n
sub-harness.
• I f th e resistance is ou t o f specification , replac e
th e torqu e converte r clutc h solenoi d valve s A
an d B .
5. I f th e resistanc e i s withi n th e standard , connec t th e
No . 1 termina l o f th e torqu e converte r clutc h
solenoi d valv e connecto r t o th e batter y positiv e termi -
nal . A clickin g soun d shoul d b e heard . Connec t th e
No . 2 termina l t o th e batter y positiv e terminal . A click -
in g soun d shoul d b e heard . Replac e th e torqu e con -
verte r clutc h solenoi d valve s A an d B if n o clickin g
soun d is heard .
TRANSMISSIO N SUB-HARNES SCONNECTOR (14P )
Termina l sid e o fmal e terminal s
STANDARD : 1 2 - 2 5
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Replacement

NOTE: Torque converter clutch (lock-up control)

solenoid valves A and B must be replaced as an assem-

bly.

1. Remove the mounting bolts and torque converter

clutch solenoid valves A and B.

6 x 1.0 mm

12 N-m

(1.2 kgf-m, 8.7 Ibf-ft)
TORQUE CONVERTER CLUTCH

SOLENOID VALVES

A AND B

FILTER/GASKET

Replace.

Install in this

direction.

Clean mounting surface

and fluid passages

2. Clean the mounting surface and fluid passages of

the torque converter clutch solenoid valves A and B,

and install a new torque converter clutch solenoid

valves A and B with a new filter/gasket.

NOTE: Install the filter/gasket in the direction shown.

3. Check connector for rust, dirt or oil, then reconnect

the connector securely.ProCarManuals.com

Shift Solenoi d Valve s A an d B
Tes t
1. Disconnec t th e transmissio n sub-harnes s connecto r
(14P).
2. Measur e th e resistanc e betwee n th e No . 4 termina l
o f th e transmissio n sub-harnes s connecto r an d
bod y ground , an d betwee n th e No . 5 termina l an d
bod y ground .
STANDARD : 1 2 - 2 5
3 . I f th e resistanc e i s ou t o f specification , remov e th e
shif t cabl e cover , an d disconnec t th e shif t solenoi d
valve/A/ T clutc h pressur e contro l solenoi d valv e
harnes s connector .
CLAMP
SHIF T CABL E
COVER
Measur e th e resistanc e betwee n th e No . 1 termina l
o f th e shif t solenoi d valve/A/ T clutc h pressur e con -
tro l solenoi d valv e harnes s connecto r an d bod y
ground , an d betwee n th e No . 2 termina l an d bod y
ground .
STANDARD : 1 2 - 2 5
SHIF T SOLENOI D VALVE /A/T CLUTC H PRESSUR E
CONTRO L SOLENOI D VALV E
HARNES S CONNECTO R
Terminal sid e o f
mal e terminal s
• I f th e resistanc e i s withi n specification , replac e th e
transmissio n sub-harness .
• I f th e resistanc e i s ou t o f specification , replac e th e
shif t solenoi d valve s A an d B .
5 . I f th e resistanc e i s withi n th e standard , connec t th e
No . 2 termina l o f th e shif t solenoi d valve/A/ T clutc h
pressur e contro l solenoi d valv e harnes s connecto r
t o th e batter y positiv e terminal . A clickin g soun d
shoul d b e heard . Connec t th e No . 1 termina l t o th e
batter y positiv e terminal . A clickin g soun d shoul d
b e heard . I f n o clickin g soun d i s heard , replac e th e
shif t solenoi d valve s A an d B .
NOTE : I f solenoi d valv e replacemen t i s required ,
se e th e followin g headings :
• Lowe r Valv e Bod y
Removal/Installatio n
................................... 14-11 2
Disassembly/Reassembl y
.......................... 14-11 3
• Shif t Solenoi d Valve s A an d B
Tes t
............................................................. . 14-11 5
Replacemen t .............................................. . 14-11 5
6 x 1. 0 m m12 N-m (1.2 kgf-m,8.7 Ibf-ft ) TRANSMISSIO
N SUB-HARNES S
CONNECTO R (14P )
Termina l sid e o fmal e terminal s
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A/T Clutc h Pressur e Contro l Solenoi d Valv e
Test
1. Disconnec t th e transmissio n sub-harnes s connecto r
(HP).
2. Measur e th e resistanc e betwee n th e No . 8 an d No . 9
terminal s o f th e transmissio n sub-harnes s connector .
STANDARD : 4. 0 - 6. 0 (a t 70°F , 20°C )
3 . I f th e resistanc e i s ou t o f specification , remov e th e
shif t cabl e cover , an d disconnec t th e shif t solenoi d
valve/A/ T clutc h pressur e contro l solenoi d valv e
harnes s connector .
CLAMP
SHIF T CABL E
COVER
4. Measur e th e resistanc e betwee n th e No . 3 an d No . 4
terminal s o f th e shif t solenoi d valve/A/ T clutc h pres -
sur e contro l solenoi d valv e harnes s connector .
STANDARD : 4. 0 - 6. 0 (a t 70°F , 20°C )
SHIFT SOLENOI D VALVE /
A/ T CLUTC H PRESSUR E
CONTRO L SOLENOI D VALV E
HARNES S CONNECTO R
Terminal s sid e o f
mal e terminal s
• I f th e resistanc e i s withi n specification , replac e
th e transmissio n sub-harness .
• I f th e resistanc e i s ou t o f specification , replac e
th e A/ T clutc h pressur e contro l solenoi d valve .
5 . I f th e resistanc e i s withi n th e standard , connec t th e
No . 4 termina l o f th e shif t solenoi d valve/A/ T clutc h
pressur e contro l solenoi d harnes s connecto r t o th e
batter y positiv e terminal , an d connec t th e No . 3 ter -
mina l t o th e batter y negativ e terminal . A clickin g
soun d shoul d b e heard . I f n o clickin g soun d is heard ,
replac e th e A/ T clutc h pressur e contro l solenoi d
valve .
NOTE : I f A/ T clutc h pressur e contro l solenoi d valv e
replacemen t i s required , se e thes e headings :
• Lowe r Valv e Bod y
Removal/Installatio n
................................... 14-11 2
Disassembly/Reassembl y
.......................... 14-11 3
• Throttl e Valv e Body/A/ T Clutc h Pressur e Contro l
Solenoi d Valv e
Replacemen t
.............................................. . 14-11 4
6 x 1. 0 m m12 N- m (1. 2 kgf-m ,
8. 7 Ibf-ft ) TRANSMISSIO
N SUB-HARNES S
CONNECTO R (14P )
Termina l sid e o f
mal e terminal s
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Mainshaft/Countershaft Spee d Sensor s
Replacemen t
Make sur e lifts , jacks , an d safet y stand s
ar e place d properl y (se e sectio n 1 ).
1 . Pul l th e carpe t bac k t o expos e th e secondar y heate d
oxyge n senso r (secondar y HO2S ) connector . Discon -
nec t th e connector , the n pus h i t ou t unde r th e vehi -
cle.
NOTE : Th e secondar y HO2 S connecto r i s unde r th e
passenger' s seat .
SECONDAR Y HO2 S CONNECTO R
Remove th e exhaus t pip e A bracket , the n remov e
exhaus t pip e A .
BAN D
EXHAUS TPIPE A
TRANSMISSIO NSTOP COLLA R THRE
E WA Y
CATALYTI C
CONVERTE R
SECONDAR Y
HO2SHARNES SCOVER
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
3. Remov e th e secondar y HO2 S harnes s cover , the n
remov e th e thre e wa y catalyti c converter . 4
. Remov e th e hea t shields .
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
HEATSHIEL D
HEA T
SHIEL D
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
5. Plac e a jac k unde r th e transmission , an d rais e th e
transmissio n jus t enoug h t o tak e weigh t of f o f th e
mounts , the n remov e th e bol t securin g th e shif t
cable guid e bracke t an d th e transmissio n beam .
SHIFT CABL E
GUID E BRACKE T
TRANSMISSIO N BEA M
CARPE T
10 x 1.2 5 mm33 N- m (3. 4 kgf-m ,
2 5 Ibf-ft )
Replace .
GASKETReplace .
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
Replace .
10 x 1.2 5 mm54 N- m (5. 5 kgf-m ,
4 0 Ibf-ft )
Replace .
GASKETReplace .
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
Replace .
10 x 1.2 5 m m38 N- m(3.9 kgf-m , 2 8 Ibf-ft )EXHAUS
T
PIP E A BRACKE T
10 x 1.2 5 mm33 N- m (3. 4 kgf-m ,
2 5 Ibf-ft )
Replace .
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O-RING

Replace.
COUNTER-

SHAFT

SPEED

SENSOR

O-RING

Replace.

8. Replace the O-rings with new ones before reassem-

bling the mainshaft and countershaft speed sensors.

9. Install washers on the mainshaft and countershaft

speed sensors, then install the sensors on the trans-

mission housing.
10. Raise the transmission with a jack.

11. Install the transmission beam on the rear transmis-

sion mount bracket/mount, then tighten the four

bolts loosely.

TRANSMISSION BEAM

BOLTS

10 x
1.25
mm

38 N-m (3.9 kgf-m,

28 Ibf-ft)
6 x 1.0 mm

9.8 N-m (1.0 kgf-m,

7.2 Ibf-ft)

SHIFT CABLE

GUIDE BRACKET

TRANSMISSION BEAM BOLTS

10 x
1.25
mm

38 N-m (3.9 kgf-m, 28 Ibf-ft)

12. Tighten the four beam bolts to the specified torque,

then tighten the three inner bolts to the specified

torque.

13. Install the shift cable guide bracket on the transmis-

sion beam.

14. Install the heat shields.

15. Install exhaust pipe A and the three way catalytic

converter, then install the exhaust pipe A bracket.

16. Push the secondary HO2S connector into the vehi-

cle, then secure it with the harness grommet.

17. Install the secondary HO2S harness cover.

18. Connect the secondary HO2S connector.
6. Lower the transmission.

7. Remove the 6 mm bolt from the transmission hous-

ing, and remove the mainshaft and countershaft

speed sensors.

6 x 1.0 mm

12 N-m (1.2 kgf-m, 8.7 Ibf-ft)
MAINSHAFT

SPEED SENSOR

WASHER

WASHERProCarManuals.com

Transmission Rang e Switc h (A/ T Gea r Positio n Switch )
Test
Mak e sur e lifts , jacks , an d safet y stand s ar e place d properl y (se e sectio n 1 ).
1 . Rais e th e fron t o f th e vehicle , an d suppor t i t wit h safet y stand s (se e sectio n 1 ).
2 . Se t th e parkin g brake , an d bloc k bot h rea r wheel s securely .
3 . Pul l th e carpe t bac k t o expos e th e secondar y heate d oxyge n senso r (secondar y HO2S ) connector . Disconnec t th e con -
nector , the n pus h it ou t unde r th e vehicl e (se e pag e 14-90 ).
NOTE : Th e secondar y HO2 S connecto r i s unde r th e passenger' s seat .
4 . Remov e th e exhaus t pip e A bracket , the n remov e exhaus t pip e A .
5 . Remov e th e secondar y HO2 S harnes s cover , the n remov e th e thre e wa y catalyti c converter .
6 . Remov e th e hea t shields .
7 . Disconnec t th e transmissio n rang e switc h connector .
TRANSMISSIO N RANG ESWITCH CONNECTO R(10P)
Termina l sid e o f mal e terminal s
8. Chec k fo r continuit y betwee n th e termina l i n eac h switc h positio n accordin g t o th e tabl e below .
• 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 it s fre e play .
• I f ther e i s n o continuit y withi n th e rang e o f fre e play , adjus t th e transmissio n rang e switch .
Neutral
Positio n Switc h
Transmissio
n Rang e Switc h
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Replacement
Make sur e lifts , jack s an d safet y stand s ar e place d properl y (se e sectio n 1 ).
1 . Rais e th e fron t o f th e vehicle , an d suppor t i t wit h safet y stand s (se e sectio n 1 ).
2 . Se t th e parkin g brake , an d bloc k bot h rea r wheel s securely .
3. Shif t th e transmissio n to th e position .
4 . Remov e th e clamp , the n disconnec t th e transmissio n rang e switc h connector .
SHIFT CABL ECOVERCLAMP S
TRANSMISSIO N RANG E
SWITC H CONNECTO R
SHIF T SOLENOI D VALVE /
A/ T CLUTC H PRESSUR E
CONTRO L SOLENOI D VALV E
HARNES S CLAM P
TRANSMISSIO N RANG E
SWITC H
SHIFT SOLENOI D VALVE /
A/ T CLUTC H PRESSUR E
CONTRO L SOLENOI D VALV E
HARNES S CONNECTO R
5. Remov e th e clam p fro m th e transmissio n rang e switc h harnes s bracke t o n th e rea r cover .
6 . Remov e th e shif t cabl e cove r mountin g bolts .
7 . Remov e th e shif t solenoi d valve/A/ T clutc h pressur e contro l solenoi d valv e harnes s clam p an d connecto r fro m th e
shif t cabl e cover .
8 . Disconnec t th e shif t solenoi d valve/A/ T clutc h pressur e contro l solenoi d valv e harnes s connector , the n remov e th e
shif t cabl e cove r fro m th e transmission .
9. Remov e th e contro l lever .
10. Remov e th e locknu t an d loc k washer .
11 . Remov e th e transmissio n rang e switch .
LOCKNU T
LOCK WASHE RReplace.
CONTRO L SHAF T
CONTRO L LEVE R
SPRIN G
WASHE R
LOCKNU
T
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