1996 ACURA RL KA9 lock

Troubleshooting Procedure s
Checking th e Diagnosti c Troubl e Cod e (DTC )
wit h a n OB D II Sca n Too l o r Hond a PG M Teste r
When th e PC M sense s a n abnormalit y i n th e inpu t o r outpu t systems , th e indicato r ligh t i n th e gaug e assembl y wil l
blink . Whe n th e 16 P Dat a Lin k Connecto r (DLC ) (locate d behin d th e ashtray ) i s connecte d to th e OB D II Sca n Too l o r Hond a
PG M Teste r a s shown , th e sca n too l o r teste r wil l indicat e th e Diagnosti c Troubl e Cod e (DTC ) whe n th e ignitio n switc h i s
turne d O N (II) .
If th e indicato r ligh t o r th e MI L ha s bee n reporte d on , o r i f a driveabilit y proble m is suspected , follo w thi s procedure :
1 . Connec t th e OB D II Sca n Too l (conformin g to SA E J1978 ) o r Hond a PG M Teste r t o th e 16 P DLC .
(Se e th e OB D II Sca n Too l o r Hond a PG M Teste r user' s manua l fo r specifi c instructions . I f yo u ar e usin g th e Hond a
PG M Tester , mak e sur e it i s se t t o th e SA E DT C type. )
2 . Tur n th e ignitio n switc h O N (II) , an d observ e th e DT C o n th e screen .
3 . Recor d al l fue l an d emission s DTCs , A/ T DTCs , an d freez e data .
4 . I f ther e is a fue l an d emission s DTC , firs t chec k th e fue l an d emission s syste m a s indicate d b y th e DT C (excep t fo r DT C
P0700) . DT C P070 0 mean s ther e is on e o r mor e A/ T DTC , an d n o problem s wer e detecte d in th e fue l an d emission s circui t
of th e PCM .
5. Ge t th e anti-thef t cod e fo r th e radio , the n writ e dow n th e radi o statio n presets .
6 . Rese t th e memor y wit h th e PG M Teste r o r b y removin g th e BAC K U P fus e i n th e under-hoo d fuse/rela y bo x fo r mor e
tha n 1 0 seconds .
7 . Driv e th e vehicl e fo r severa l minute s a t speed s ove r 3 0 mp h (5 0 km/h) , an d the n rechec k fo r DTCs . I f th e A/ T DT C
returns , g o t o th e Symptom-to-Componen t Char t (pag e 14-5 6 an d 14-57 ). I f th e DT C doe s no t return , ther e wa s a n inter -
mitten t proble m withi n th e circuit . Mak e sur e al l pin s an d terminal s i n th e circui t ar e tight , an d the n g o t o ste p 8 .
8 . Ente r th e anti-thef t cod e fo r th e radio , rese t th e radi o prese t stations , an d se t th e clock .
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Electrical Troubleshootin g
Troubleshooting Flowchar t — Torqu e Converte r Clutc h (Lock-u p Control )
Solenoi d Valv e A
• OB D II Sca n Too l indicate s Cod eP1753 .• Self-diagnosi s indicato rlight blink s once .
Chec k fo r a Shor t t o Power :1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e A (26P ) an d E
(26P ) connector s fro m th e PCM .
3. Tur n th e ignitio n switc h O N (II) .4. Measur e th e voltag e betwee nthe E1 3 an d A2 6 terminals .
Is ther e voltage ?
Measur e Torqu e Converte r Clutc h
Solenoi d Valv e A Resistance :
1. Tur n th e ignitio n switc h OFF .2. Measur e th e resistanc e
betwee n th e E1 3 an d A2 6 ter -
minals .
Is th e resistanc e 12-2 5
T o pag e 14-5 9 Possibl
e Caus e
• Disconnecte d torqu e converte r
clutc h solenoi d valv e A connec -
tor• Shor t o r ope n i n torqu e con -
verte r clutc h solenoi d valv e A
wir e
• Fault y torqu e converte r clutc h
solenoi d valv e A
• Ope n in V B SO L lin e
Repai r shor t t o powe r i n th e wir e
betwee n th e E1 3 termina l an d th etorqu e converte r clutc h solenoi d
valv e A .
Chec k fo r loos e PC M connectors .
I f necessary , substitut e a known -
goo d solenoi d valve s A an d B or
PC M an d recheck . PC
M CONNECTOR S
Wir e sid e o f femal e terminal s
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Electrical Troubleshootin g
Troubleshooting Flowchar t — Torqu e Converte r Clutc h (Lock-u p Control )
Solenoi d Valv e B
• OB D II Sca n Too l indicate s Cod e
P1758 .
• Self-diagnosi s indicator ligh tblink s twice .
Chec k fo r a Shor t t o Power :
1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e A (26P ) an dE (26P ) connector s fro m th ePCM .3. Tur n th e ignitio n switc h O N (II) .4. Measur e th e voltag e betwee nthe E2 6 an d A2 6 terminals .
Is ther e voltage ?
Measur e Torqu e Converte r Clutc h
Solenoi d Valv e B Resistance :
1. Tur n th e ignitio n switc h OFF .2. Measur e th e resistanc e
betwee n th e E2 6 an d A2 6 ter -
minals .
Is th e resistanc e 12-2 5
T o pag e 14-6 1 Possibl
e Caus e
• Disconnecte d torqu e converte r
clutc h solenoi d valv e B connec -
tor• Shor t o r ope n i n torqu e con -
verte r clutc h solenoi d valv e B
wir e• Fault y torqu e converte r clutc h
solenoi d valv e B
• Ope n V B SO L lin e
Repai r shor t t o powe r i n th e wir e
betwee n th e E2 6 termina l an d th e
torqu e converte r clutc h solenoi d
valv e B .
Chec k fo r loos e PC M connectors .
I f necessary , substitut e a known -
goo d solenoi d valve s A an d B or
PC M an d recheck . PC
M CONNECTOR S
Wir e sid e o f femal e terminal s
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Troubleshooting Flowchar t — Lock-u p Contro l Syste m
• OB D II Sca n Too l indicate s Cod e
P0740 .
• Self-diagnosi s indicato r ligh t
indicate s Cod e 40 .
Chec k fo r Anothe r Cod e
Chec k whethe r th e OB D I I sca n
tool o r th e indicato r ligh tindicate s anothe r code .
Tes t Lin e Pressure :
Measur e th e lin e pressur e (se e
pag e 14-10 9 an d 14-110 ).
I s th e lin e pressur e withi n th e
servic e limit ?
Replac e the Torqu e Converte rClutch (Lock-u p Control ) Solenoi d
Valve s A an d B an d Recheck :
1 . Replac e th e torqu e converte r
clutc h solenoi d valve s A an d
B (se e pag e 14-87 ).
2 . Tur n th e ignitio n switc h OF Fand rese t th e PC M b y remov -
in g th e BAC K UP , RADI O fus e
i n th e under-hoo d fuse/rela y
bo x fo r mor e tha n 1 0 seconds .
3. Usin g th e OB D II sca n tool ,check tha t th e engin e coolan t
temperatur e i s 176° F (80°C )
an d above .
4 . Driv e th e vehicl e a t 5 5 mp h
(8 8 km/h ) constantl y fo r mor e
tha n on e minute .
5 . Rechec k fo r cod e P074 0 (40) .
Doe s th e OB D II sca n too l o r th e
indicato r ligh t indicat e anothe rcode?
Possibl e Caus e
Fault y Lock-u p contro l syste m
Perfor m th e Troubleshootin g
Flowchar t fo r th e indicate d
Code(s).Recheck fo r cod e P074 0 (40 ) afte r
troubleshooting .
NOTE: D o no t continu e wit h thi s trou -bleshootin g unti l th e cause s o f an yothe r DTC s hav e bee n corrected .
Repai r th e hydrauli c syste m a s
necessar y (se e pag e 14-110 ).
Th e syste m is O K a t thi s time .
Doe
s th e OB D II sca n too l o r th e
indicato r ligh t indicat e anothe rcode?
Replac e th e transmissio n an d
torqu e converter .
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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

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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Transmission Range Switch (A/T Gear Position Switch)

Replacement (cont'd)

12. Set a new transmission range switch to the posi-

tion as shown.

NOTE: The transmission range switch clicks in the

position.

POSITION MARK

TRANSMISSION RANGE

SWITCH
CONTROL SHAFT

HOLE

13. Set the control shaft to the position.

CONTROL SHAFT
14. Install the transmission range switch on the control

shaft, and loosely install the bolts.

6 x 1.0 mm BOLTS

Loosely install.

TRANSMISSION RANGE

SWITCH

CONTROL SHAFT

15. Install a new lock washer on the transmission range

switch by aligning its projected tip with the posi-

tion mark on the transmission range switch as shown.

LOCK WASHER

LOCK TABS

LOCKNUT

12 N-m (1.2 kgf-m,

8.7 Ibf-ft)
TRANSMISSION RANGE

SWITCH

PROJECTED

TIP

POSITION

MARK

LOCK WASHER

Replace.

CONTROL

SHAFT
6 x 1.0 mm

12 N-m (1.2 kgf-m,

8.7 Ibf-ft)

16. Tighten the locknut while holding the control shaft,

then bend the lock tabs against the locknut.

17. Tighten the 6 mm bolts to the specified torque.ProCarManuals.com