1996 ACURA RL KA9 sensor

17. Instal l th e ai r cleane r housin g assembly .
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
AIR CLEANE RHOUSING ASSEMBL Y
18. Instal l th e vehicl e spee d senso r (VSS)/powe r steer -
in g spee d sensor , the n connec t th e VS S connector .
6 x 1. 0 m m12 N- m (1. 2 kgf-m , 8. 7 Ibf-ft )
VSS CONNECTO R
O-RIN G
Replace . VSS/POWE R STEERIN G
SPEE D SENSO R
19. Remov e th e steerin g gearbo x mountin g bolts , the n
instal l th e lowe r plat e an d th e steerin g gearbo x
mounting bolts .
STEERIN G GEARBO XMOUNTING BOLT S59 N- m (6. 0 kgf-m ,
4 3 Ibf-ft )
10 x 1.2 5 mm38 N- m (3. 9 kgf-m ,
2 8 Ibf-ft )
20. Instal l th e driveshaft s an d th e intermediat e shaf t
(se e sectio n 16 ).
CAUTION : Whil e installin g th e driveshaf t an d th e
intermediat e shaf t i n th e differential , b e sur e no t t o
allo w dus t an d othe r foreig n particle s t o ente r int o
th e differential .
21 . Instal l th e dampe r fork , the n instal l th e righ t an d lef t
bal l joint s t o th e eac h lowe r ar m wit h th e castl e nut s
an d ne w cotte r pin s (se e sectio n 18 ).
LOWE RPLATE
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Inspection an d Adjustmen t
Steering Operatio n
Place th e fron t wheel s i n th e straigh t ahea d position ,
an d measur e th e distanc e th e steerin g whee l ca n b e
turne d withou t movin g th e fron t wheels .
ROTATIONA L PLAY : 0 - 1 0 m m (0 - 0.3 9 in )
If th e pla y exceed s th e servic e limit, perfor m rack guid e
adjustmen t (se e pag e 17-16 ).
I f th e pla y i s stil l excessiv e afte r rac k guid e adjustment ,
inspec t th e steerin g linkag e an d gearbo x (se e pag e
17-14 ).
Powe r Assis t Chec k wit h Vehicl e
Parked
1. Chec k th e powe r steerin g flui d leve l (se e pag e 17-16 )
an d pum p bel t tensio n (se e pag e 17-15 ).
2 . Star t th e engine , allo w it t o idle , an d tur n th e steer -
in g whee l fro m lock-to-loc k severa l time s t o war m
up th e fluid .
3. Attac h a sprin g scal e to th e steerin g wheel . Wit h th e
engin e idlin g an d th e vehicl e o n a clean , dr y floor ,
pul l th e scal e a s shown . Rotat e th e steerin g whee l
mor e tha n 9 0 degre e angl e b y pullin g th e sprin g
scale . Rea d th e figur e o n th e sprin g scal e whil e th e
steerin g whee l i s in motion .
4 . Th e scal e shoul d rea d n o mor e the n 2 5 N (2. 6 kgf ,
5. 7 Ibf) . I f i t read s more , g o o n to ste p 5 .
5 . Sto p th e engine . Disconnec t th e senso r inle t hos e
fro m th e powe r steerin g spee d sensor , an d plu g th e
hos e an d th e senso r fittin g a s shown .
6 . Star t th e engine , an d le t i t idle .
• I f th e readin g i s stil l mor e tha n 2 5 N (2. 6 kgf , 5. 7
Ibf ) th e powe r steerin g spee d senso r i s OK .
Proble m is i n th e pum p o r valv e bod y uni t (se e
Genera l Troubleshooting) .
• I f th e readin g is no w 2 5 N (2. 6 kgf , 5. 7 Ibf ) o r less ,
powe r steerin g spee d senso r leak s internally .
Replac e th e senso r (se e pag e 17-13 ).
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Assist Chec k a t Roa d Spee d
Assist (excessivel y ligh t steering ) a t hig h speed :
1 . Chec k th e powe r steerin g flui d leve l (se e pag e 17-16 ),
an d pum p bel t tensio n (se e pag e 17-15 ).
2 . Star t th e engine , allo w it t o idle , an d tur n th e steerin g
whee l fro m lock-to-loc k severa l time s t o war m u p th e
fluid .
3. Sto p th e engine . T o simulat e speed s abov e 6 2 mp h
(10 0 km/h) , disconnec t th e hose s fro m th e powe r
steerin g spee d sensor , an d connec t the m to th e
bypas s tub e joint . Plu g th e en d o f th e bypas s tub e
joint .
Powe r Steerin g Spee d Senso r
Replacemen t
1. Disconnec t th e VS S connecto r fro m th e powe r steer -
in g spee d sensor .
2 . Remov e th e senso r mountin g bolt , the n remov e th e
powe r steerin g spee d senso r fro m th e differentia l
housing .
3 . Disconnec t th e senso r inle t an d outle t hoses , an d
plu g th e hos e fittings .
4 . Installatio n is th e revers e o f th e remova l procedure .
5 . Afte r installin g a ne w sensor , tur n th e steerin g
whee l lock-to-loc k wit h th e engine idling t o blee d ai r
fro m th e system .
6 . Chec k th e reservoir , an d ad d flui d if necessary .
BYPASS TUB E JOIN T07406-001010 1(Included wit h07406-0010001 )
4. Attac h a sprin g scal e to th e steerin g wheel .
Star t th e engine ; wit h th e engin e idlin g an d th e vehi -
cl e o n a clean , dr y floor , pul l th e scal e a s shown .
Rotat e th e steerin g whee l mor e tha n 9 0 degree s b y
pullin g th e sprin g scale . Rea d th e figur e o n th e
sprin g scal e whil e th e steerin g whee l i s i n motion .
• I f th e scal e read s mor e tha n 2 5 N (2. 6 kgf , 5. 7
Ibf) , th e valv e bod y uni t i s OK .
Th e powe r steerin g spee d senso r abnormal .
Replac e th e sensor , an d chec k b y roadtesting .
• I f th e readin g is no w 2 5 N (2. 6 kgf , 5. 7 Ibf ) o r less ,
proble m is i n th e valv e bod y uni t o r pum p (se e
Genera l Troubleshooting) .
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Steering Colum n
Removal/Installatio n
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 ser -
vice .
NOTE : Befor e removin g th e steerin g column , remov e
th e driver' s airba g assembl y an d cabl e ree l (se e
section 24 ).
CAUTION :
• O n vehicle s wit h VS A ('0 0 - 0 1 model s only) , d o no t
remov e th e steerin g angl e senso r fro m th e combina -
tion switch .
• Whe n removin g an d installin g th e combinatio n
switch , kee p grease , oil , dirt , an d foreig n object s ou t
o f th e steerin g angl e sensor .
1 . Remov e th e steerin g whee l (se e pag e 17-18 ).
2 . Remov e th e driver' s sid e dashboar d lowe r cove r an d
kne e bolste r (se e sectio n 20 ). 3
. Remov e th e colum n covers .
4 . Remov e th e combinatio n switc h assembl y fro m th e
steerin g colum n shaf t b y disconnectin g th e connec -
tor s an d removin g th e screws .
5 . Disconnec t th e ignitio n switc h connectors , th e
tilt/extend-retrac t moto r connector s an d th e senso r
connectors .
6 . Remov e th e steerin g join t cover .
7 . Disconnec t th e steerin g joint , an d remov e it fro m th e
colum n shaft .
8 . Remov e th e steerin g colum n b y removin g th e attach -
in g nut s an d bolt .
9 . Installatio n i s th e revers e o f th e remova l procedure .
CAUTION : Alternatel y tighte n th e uppe r attachin g
nut s an d lowe r attachin g bolt s in severa l steps .
Tighte n th e uppe r attachin g nut s t o th e specifie d
torqu e to last .
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Inspection
• Fo r tilt/extend-retrac t motor s an d sensor s inspection ,
refe r t o th e Drivin g Positio n Memor y Syste m (DPMS )
i n th e sectio n 23 .
• Chec k th e steerin g colum n bai l bearin g an d th e steerin g
join t bearing s fo r pla y an d prope r movement . I f ther e is
nois y o r i f ther e is excessiv e play , replac e th e steerin g
colum n a s a n assembly .
• Chec k th e retainin g collar s fo r damage . I f the y ar e dam -
aged , replac e th e retainin g collars .
• Chec k th e absorbin g plates , absorbin g plat e guide s
an d slidin g capsule s fo r distortio n an d breakage .
Replac e th e steerin g colum n a s a n assembl y i f the y
are distorte d o r broken .
ABSORBIN G PLATE S
COLUMN BAL L BEARIN G
ABSORBIN G PLAT E GUIDE S
STEERIN G JOIN TBEARING S
PLASTICINJECTION S
IGNITION SWITC HSee sectio n 23 .
SLIDIN G CAPSUL EThis par t i s attache dto th e colum n bracke twith th e plasti c injections .
RETAININ G COLLAR S
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Power Steering Gearbox

Removal (cont'd)

12. Disconnect the three lines (sensor inlet line, 10 mm

return line and 6 mm return line) from the hoses.

CAUTION: After disconnecting the line, plug or

seal the line with a piece of tape or equivalent.

13. Remove the mounting brackets and steering gear-

box.

NOTE: Before removing the steering gearbox, place

a jack stand under the gearbox to support it.

CAUTION: Be careful not to bend or damage fluid

lines when removing the steering gearbox.ProCarManuals.com

Component Locations

ABS CONTROL UNIT

MODULATOR UNIT
SERVICE CHECK CONNECTOR (2P)

ABS INSPECTION CONNECTOR (6P)

RIGHT-REAR WHEEL SENSOR

RIGHT-FRONT WHEEL

SENSOR CONNECTOR

RIGHT-FRONT

WHEEL SENSOR
LEFT-REAR WHEEL

SENSOR CONNECTOR

LEFT-REAR

WHEEL SENSOR

RIGHT-REAR WHEEL

SENSOR CONNECTOR

UNDER-HOOD

RELAY BOX B

UNDER-HOOD

FUSE/RELAY BOX
UNDER-DASH FUSE/RELAY BOX

LEFT-FRONT WHEEL SENSOR

LEFT-FRONT WHEEL

SENSOR CONNECTOR

GAUGE ASSEMBLY:

ABS INDICATOR LIGHT

UNDER-DASH FUSE/RELAY BOX:

METER

(7.5 A) FUSE
ABS B2

(15 A) FUSE

ABS B1

(20 A) FUSE

METER

(15 A) FUSE
BATTERY

(120 A) FUSE

ABS MOTOR (40 A) FUSE

IG SW (50 A) FUSE

UNDER-HOOD RELAY BOX C:

REAR FAIL-SAFE RELAY

METER RELAY

FRONT FAIL-SAFE RELAY
ABS
UNIT

(7.5 A) FUSE
STOP/HORN

(ISA) FUSE
ABS PUMP

MOTOR RELAY
UNDER-HOOD FUSE/RELAY BOX:

ECU

(20 A) FUSE

R/C MIRROR

(7.5 A) FUSEProCarManuals.com

DTC 4- 1 (Right-front) , 4- 2 (Left-front) , 4- 4 (Right-rear) , 4- 8 (Left-rear) :
Whee l Senso r
The AB S contro l uni t monitor s th e whee l senso r signa l durin g th e regula r diagnosi s (a t speed s o f 6 mp h (1 0 km/h ) o r
more) . Thi s diagnosi s i s no t performe d whe n th e parkin g brak e signa l i s ON . Th e AB S contro l uni t turn s th e AB S indicator
ligh t o n i f i t detect s tha t ther e i s n o whee l senso r signa l fro m th e wheel .
Possibl e causes :
Open circuit , interna l shor t o r shor t t o bod y groun d in th e whee l senso r
Ope n circui t o r shor t t o bod y groun d in th e positiv e (+ ) wir e betwee n th e whee l senso r an d AB S contro l uni t
Ope n circui t o r shor t t o bod y groun d i n th e negativ e (- ) wir e betwee n th e whee l senso r an d AB S contro l uni t
Positiv e (+ ) wir e shorte d t o th e negativ e (- ) wir e betwee n th e whee l senso r an d AB S contro l uni t
Loos e connecto r o r poo r contac t o f terminal s
Improper whee l senso r ai r ga p
Fault y AB S contro l uni t
Missin g o r damage d pulse r
Modulato r doe s no t decreas e pressur e properl y
Whee l loc k b y downshif t
Is th e resistanc e a s specified ?— Front : 700-1,10 0— Rear : 1,400-2,00 0
Chec k th e continuit y o f th e whee l
sensor :Check fo r continuit y betwee n th e
appropriat e whee l senso r 2 P con -
necto r termina l No . 2 an d bod y
ground .
Is ther e continuity ?
(To pag e 19-66 )
WHEE L SENSO R 2P CONNECTO R
DTC4-14- 24- 44-8
Appropriat e Whee l Senso rRight-fron tLeft-frontRight-rea rLeft-rear
Wire sid e o f femal e terminal s
Replac e th e appropriat e whee l
sensor .
Replac e th e appropriat e whee lsensor .
When vehicl e is driven , ABS
indicato r ligh t i s ON .
Wit h th e SC S servic e connec -
to r connecte d (se e pag e 19-40 ),
DTC s 4-1 , 4-2 , 4- 4 and/o r 4- 8
ar e indicated .
Chec k th e whee l senso r resis -
tance :
1 . Disconnec t th e appropriat e
whee l sensor * 2 P connector .
2 . Measur e th e resistanc e
betwee n th e No . 1 an d No . 2
terminals .
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