1996 ACURA RL KA9 sensor

Electrical Troubleshootin g
Troubleshooting Flowchar t — Mainshaf t Spee d Senso r
• OB D II Sca n Too l indicate s Cod e
P0715 .
• Self-diagnosi s indicato r
ligh t indicate s Cod e 15 .
Chec k th e mainshaf t an d counter -
shaf t spee d senso r installation .
Ar e th e mainshaf t an d
countershaf t spee d sensor sinstalled properly ?
Measur e Mainshaf t Spee d Senso r
Resistanc e a t th e Senso r Con -
nector :1. Disconnec t th e 2 P connecto rfrom th e mainshaf t spee dsensor .2. Measur e th e resistanc e o f th e
mainshaf t spee d sensor .
Is th e resistanc e 40 0 - 60 0
YE S
Chec k Mainshaf t Spee d Senso r
fo r a Shor t Circuit :
1 . Disconnec t th e E (26P ) con -
necto r fro m th e PCM .
2. Chec k fo r continuit y betwee nbody groun d an d E 4 termina land th e E1 7 termina l individu -ally.
Possibl e Caus e
• Disconnecte d mainshaf t spee d
senso r connecto r
• Shor t o r ope n i n mainshaf t
spee d senso r wir e
• Fault y mainshaf t spee d senso r
NOTE: Cod e P071 5 (15 ) o n th e PC M
doesn' t alway s mea n there' s a n electrica l
problem in th e mainshaf t o r countershaf t
speed senso r circuit ; cod e P071 5 (15 )
may als o indicat e a mechanica l proble m
in th e transmission .
Reinstall an d recheck .
MAINSHAFT SPEE D
SENSO R 2P CONNECTO R
Termina l sid e o f mal e terminal s
Replac e th e mainshaf t spee d sen -
sor.
Wir e sid e o f femal e terminal s
I s ther e continuity ?
T o pag e 14-7 5 Repai
r shor t i n th e wire s betwee n
th e E 4 an d E1 7 terminal s an d th e
mainshaf t spee d sensor . PC
M CONNECTO R E (26P )
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From pag e 14-7 4
Measur e Mainshaf t Spee d Sen -
so r Resistance :
1 . Connec t th e mainshaf t spee d
senso r 2 P connector .
2 . Measur e th e resistanc e
betwee n th e E 4 an d E1 7 ter -
minals .
Is th e resistanc e 40 0 - 60 0
Chec k N M Wir e Continuity :1. Disconnec t th e 2 P connecto rfrom th e mainshaf t spee dsensor .2. Chec k fo r continuit y betwee nthe E 4 termina l an d th e No . 1termina l o f th e mainshaf tspeed senso r connector .
Is ther e continuity ?
Check NMS G Wir e Continuity :
Chec k fo r continuit y betwee n th e
E17 termina l an d th e No . 2 termi -nal o f th e mainshaf t spee d sen -
so r connector . Wir
e sid e o f femal e terminal s
I s ther e continuity ?
Chec k fo r loos e PC M connectors .
I f necessary , substitut e a known -
goo d PC M an d recheck . Ru
n th e Electrica l Troubleshootin g
Flowchar t fo r cod e P072 0 (cod e 9) .
Chec k fo r loos e PC M connectors . I f
necessary , substitut e a known -
goo d PC M an d recheck .
MAINSHAF T SPEE DSENSO R 2 P CONNECTO R
Wir e sid e o f femal e terminal s
Repair ope n in th e wir e betwee nthe E 4 termina l an d th e main -shaft spee d sensor .
Repai r ope n i n th e wir e betwee n
th e E1 7 termina l an d th e main -
shaf t spee d sensor . PC
M CONNECTO R E (26P )
PC M CONNECTO R E (26P )
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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

Road Tes t
NOTE : War m u p th e engin e to norma l operatin g temperatur e (th e radiato r fa n come s on) .
1. Appl y parkin g brak e an d bloc k th e wheels . Star t th e engine , the n shif t t o positio n whil e pressin g th e brak e pedal .
Pres s th e accelerato r peda l an d releas e it suddenly . Th e engin e shoul d no t stall .
2. Repea t th e sam e tes t i n position .
3. Test-driv e th e vehicl e o n th e fla t roa d in position . Chec k tha t th e shif t point s occu r a t th e approximat e speed s
shown o n th e nex t page . Als o chec k fo r abnorma l nois e an d clutc h slippage .
NOTE : Throttl e positio n senso r voltag e represent s th e throttl e opening .
a . Remov e th e PC M cove r t o expos e th e PC M fo r roa d testing ; refe r t o pag e 14-5 4 an d 14-55 .
b . Se t th e digita l multimete r t o chec k voltag e betwee n D 6 (+ ) termina l an d A2 6 (- ) termina l o f th e PC M fo r th e throttl e
positio n sensor .
NOTE : Refe r t o pag e 14-54 ; Ho w to us e th e Backprob e Set .
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 in th e SR S
(sectio n 24 ) befor e performin g repair s o r service .
PCM
D6 Termina l
DIGITAL MULTIMETE R(Commercially available )KS - AH M - 3 2 - 003 ,or equivalen t
BACKPROB E SE T07SAZ-001000A(two required )
BACKPROB EADAPTER
STACKIN G PATC H CORD S
A26 Termina l
PCM CONNECTOR S
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1. Remov e th e mainshaf t an d countershaf t spee d sen -
sors fro m th e transmissio n housing .
2. Remov e th e 1 6 bolts securin g th e transmissio n
housin g wit h th e transmissio n hanger , harnes s
clam p bracket , an d spee d senso r connecto r bracket .
3 . Instal l th e specia l tool s o n th e transmissio n hous -
ing , the n remov e th e housin g a s shown .
CAUTION : Mak e sur e yo u remov e th e mainshaf t an d
countershaf t spee d sensor s befor e removin g th e
transmissio n housin g fro m th e torqu e converte r
housing.
HOUSIN G PULLE R
07HA C - PK4010 A
TRANSMISSIO NHOUSING
HOUSING PULLE R
EXTENSIO N BOLT S
07MA C - PY4010 0
( 3 Required )
4. Remov e th e mainshaf t sub-assembl y an d counter -
shaft sub-assembl y together .
NOTE: Remov e th e shaft s carefull y t o avoi d dam-
agin g th e regulato r valv e body .
COUNTERSHAF T
SUB-ASSEMBL YMAINSHAF
T
SUB-ASSEMBL Y
5. Remov e th e secondar y drive n gea r shaf t assembly .
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Transmission
Reassembly (cont'd )
17. Instal l th e mainshaf t sub-assembl y an d th e counter -
shaf t sub-assembl y togethe r i n th e torqu e converte r
housing .
NOTE : D o no t damag e th e regulato r valv e bod y
whe n installin g th e shafts .
COUNTERSHAF T
SUB-ASSEMBL Y MAINSHAF
T
SUB-ASSEMBL Y
COUNTERSHAF T
SPEE D SENSO R
WASHE R
COUNTERSHAF T
SPEE D SENSO R
6 x 1. 0 m m12 N- m11.2 kgf-m ,
8. 7 Ibf-ft )
DOWE L PI N DOWE
L
PIN
MAINSHAF TSPEED SENSO R
WASHE R
TRANSMISSIO NHOUSINGGASKET
MAINSHAF TSPEED SENSO R
19. Plac e th e transmissio n housin g o n th e torqu e con -
verte r housing .
CAUTION : D o no t instal l th e mainshaf t an d counter -
shaf t spee d sensor s befor e installin g th e transmissio n
housin g o n th e torqu e converte r housing . 20
. Instal l th e transmissio n housin g mountin g bolt s wit h
th e transmissio n hanger , harnes s clam p bracket ,
an d spee d senso r connecto r bracket , the n tighte n
the m in tw o o r mor e step s in th e sequenc e shown .
TORQUE : 3 3 N- m (3. 4 kgf-m , 2 5 Ibf-ft )
HARNES S CLAM P BRACKE T
TRANSMISSIO NHANGER SPEE
D SENSO R
CONNECTO RBRACKET
21. Instal l th e mainshaf t an d countershaf t spee d sen -
sor s wit h th e washer s o n th e transmissio n housing .
22 . Instal l th e countershaf t 2n d gea r assembly , 2n d gea r
one-wa y clutch , needl e bearings , thrus t washer , an d
thrus t needl e bearin g o n th e countershaft .
THRUST NEEDL E
BEARIN G
THRUS T WASHER ,
45.5 x 60 m m
NEEDL E BEARING S NEEDL
E BEARIN G
COUNTERSHAF TTHRUS
T NEEDL E
BEARIN G
2ND GEA RCOLLA R
MAINSHAF T
23. Instal l th e 2n d gea r collar , thrus t needl e bearing ,
an d needl e bearin g o n th e mainshaft .
TRANSMISSIO NHOUSING
TRANSMISSIO N HOUSIN GBOLTS8 x 1.2 5 mm33 N- m (3. 4 kgf-m , 2 5 Ibf-ft )
18. Instal l th e tw o dowe l pin s an d a ne w gaske t o n th e
torqu e converte r housing .
2ND GEA R ONE-WA YCLUTCH
2ND GEA RASSEMBL Y
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Differential Assembl y
Removal (cont'd )
10. Remov e th e lowe r plate , the n reinstal l th e steerin g
gearbo x mountin g bolts .
STEERIN G GEARBO XMOUNTING BOLT S
5 9 N- m (6. 0 kgf-m ,
4. 3 Ibf-ft )
LOWE R PLAT E
11. Disconnec t th e vehicl e spee d senso r (VSS ) connec -
tor , the n remov e th e VSS/powe r steerin g spee d
sensor .
NOTE : D o no t disconnec t th e hoses .
VSS CONNECTO R
VSS/POWE R STEERIN G
SPEE D SENSO R
12. Remov e th e ai r cleane r housin g assembly .
AIR CLEANE RHOUSING ASSEMBL Y
13. Remov e th e powe r steerin g pump .
NOTE : D o no t disconnec t th e hoses .
POWER STEERIN G
PUM P
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