ACURA NSX 1997 Service Repair Manual

Linear Solenoi d
Test
1. Remov e th e linea r solenoi d connector .
2 . Measur e th e resistanc e betwee n th e A an d B terminal .
STANDARD :
5.0-5.5 W (a t 70°F , 20°C )
LINEA RSOLENOI DTERMINA L SID E O F
MAL E TERMINAL S
3. Replac e th e linea r solenoi d i f resistanc e i s ou t o f
specification .
4. Connec t th e No . 3 termina l o f th e linea r solenoi d con -
necto r t o th e batter y positiv e termina l an d th e No . 1
termina l t o th e batter y negativ e terminal . A clickin g
soun d shoul d b e heard .
5 . I f not , replac e th e linea r solenoid .
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Linear Solenoi d
Replacemen t
NOTE: Selec t th e appropriat e shi m whe n th e linea r sole -
noi d i s replaced .
1 . Remov e th e linea r solenoi d an d shi m fro m th e trans -
missio n housing .
2. Clea n th e mountin g surface .
3 . Measur e th e distanc e betwee n th e mountin g surfac e
o f th e linea r solenoi d an d th e throttl e valv e body .
Clean th e mountin gsurface.
Measuremen t o fdistance .
LINEAR SOLENOI DSHIM
LINEA R SOLENOI D
THROTTL E
VALV E BOD Y LINEA
R SOLENOI D
INSTALLATIO N
DISTANC E
Measuremen t o f distanc e
LINEAR SOLENOI D INSTALLATIO N DISTANCE :
23.5 - 23. 7 m m (0.92 5 - 0.93 3 in )
NOTE : I f th e measuremen t o f distanc e i s 21. 6 m m
(0.85 0 in) , selec t th e shi m of 2. 0 m m (0.07 9 in ) t o ob -
tain th e installatio n distanc e o f 23. 6 m m (0.92 9 in) .
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4. Select a new shim from the chart below.

NOTE: Identification color is painted on the side of

the shim.
5. Apply liquid gasket to both sides of the linear

solenoid shim as shown. Use liquid gasket Part No.

08718-0001.

CAUTION:

• Install the linear solenoid within 10 minutes of

applying the liquid gasket.

• After installation, wipe off any liquid gasket that

squeezed out from around the linear solenoid

shim.

NOTE:

• Check that the mounting surfaces are clean and

dry before applying liquid gasket. Degrease if

necessary.

• Apply the liquid gasket evenly.

• Do not install the parts if 10 minutes or more has

passed since you first applied the liquid gasket.

If 10 minutes has passed, reapply liquid gasket

after removing the residue.

• Wait at least 30 minutes before filling with ATF.

6. Install the linear solenoid and the shim to the trans-

mission housing.ProCarManuals.com

Mainshaft/Countershaft Speed Sensors
Replacement
1. Remov e th e 6 m m bol t fro m th e transmissio n hous -
ing , the n remov e th e mainshaf t an d countershaf t
spee d sensors .
2 . Replac e th e O-rin g wit h a ne w on e befor e reassem -
blin g th e mainshaf t an d countershaf t spee d sensors .
3 . Instal l th e washe r onl y o n th e countershaf t spee d
sensor . D o no t instal l th e washe r o n th e mainshaf t
spee d sensor .
4 . Instal l th e spee d sensor(s ) i n th e transmissio n hous -
ing.
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Transmission Contro l Modul e (TCM )
Replacemen 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
in th e SR S ( sectio n 24 ) befor e performin g repair s o r ser -
vice .
1 . Remov e th e sea t bac k panel s (se e sectio n 20 ).
2 . Remov e th e connecto r holde r fro m th e TC S contro l
unit, an d disconnec t th e antenn a lead .
3. Remov e th e TC S contro l unit .
NOTE : D o no t disconnec t th e connector s fro m th e
TCS contro l unit .
4. Disconnec t th e A (26P ) an d B (22P ) connector s fro m
the TCM , the n remov e th e TCM .
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Hydraulic Syste m
Symptom-to-Componen t Char t
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PROBABLE CAUSEProCarManuals.com

Hydraulic System (cont'd)
Symptom-to-Component ChartProCarManuals.com

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Road Tes t
positio n
SR S 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 . Appl y parkin g brak e an d bloc k th e wheels . Star t th e engine , an d war m u p th e engin e t o norma l operatin g temperatur e
(th e coolin g fa n come s on) . (Whe n th e engin e coolan t temperatur e i s belo w norma l operatin g temperature , th e shif t
point i s highe r tha n specifie d vehicl e speed. ) Shif t t o positio n whil e depressin g th e brak e pedal . Depres s th e acceler -
ato r pedal , an d releas e it suddenly . Th e engin e shoul d no t stall .
2 . Chec k tha t th e shif t point s o n a fla t roa d occu r a t th e approximat e speed s show n 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 .
-1 . Remov e th e sea t bac k panel s (se e sectio n 20 ).
-2 . Remov e th e connecto r holde r fro m th e TC S contro l unit , an d disconnec t th e antenn a lead . The n remov e th e TC S
contro l uni t (se e pag e 14-52 ).
NOTE : D o no t disconnec t th e TC S contro l uni t connectors .
-3 . Remov e th e TC M an d tur n it over .
- 4 . Se t th e digita l multimete r t o chec k voltag e betwee n th e B 4 (+ ) termina l an d A1 3 (- ) o r A2 6 (- ) termina l o f th e TC M
fo r th e throttl e positio n sensor .
BACKPROB E SE T07SAZ-001000 A(Two required )
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