steering ACURA RL KA9 1996 Service Workshop Manual

MEMORY RANGE S
Sea t an d steerin g colum n position s ca n b e memorize d withi n thes e ranges :
NOTE: Th e powe r mirro r positio n ca n b e memorize d withi n al l range s o f th e mirro r movements .
Power Seat :NEUTRA L
Steering Column :
240 m m(9. 4 in)
40 m m(1.6 in )
RETRAC T
EXTEND
TIL
T DOW N
TIL
T U P
30 m m (1. 2 in)
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Diagnostic Troubl e Cod e (DTC ) Char t
NOTE : Befor e yo u procee d wit h th e appropriat e flowchart(s) , chec k powe r an d groun d a s describe d in th e test s o n pag e 23-206 .
DTC
1
2
3
4
5
6
21
22
23
2 4
25
26
27
2 8
2 9
30
3 1
3 2
33
3 4
35
36
37
Sympto m
Seat can' t b e adjuste d wit h th e slid e
switch .
Sea t can' t b e adjuste d wit h th e reclinin g
switch .
Sea t fron t heigh t can' t b e adjuste d wit h
th e fron t up-dow n switch .
Sea t rea r heigh t can' t b e adjuste d wit h th e
rea r up-dow n switch .
Steering colum n can' t b e adjuste d wit h
the til t switch .
Steerin g colum n can' t b e adjuste d wit h
th e extend-retrac t switch .
Position s can' t b e store d wit h th e ignitio n
switch O N (II ) an d th e MEM O butto n
pressed .
Positions can' t b e store d o r retrieve d wit h
positio n butto n 1 .
Position s can' t b e store d o r retrieve d wit h
positio n butto n 2 .
Sea t can' t b e adjuste d forwar d wit h th e
slid e switch .
Seat can' t b e adjuste d backwar d wit h th e
slid e switch .
Sea t can' t b e adjuste d forwar d wit h th e
reclin e switch .
Sea t can' t b e adjuste d backwar d wit h th e
reclin e switch .
Seat fron t heigh t can' t b e adjuste d wit h
the fron t u p switch .
Seat fron t heigh t can' t b e adjuste d wit h
th e fron t dow n switch .
Seat rea r heigh t can' t b e adjuste d wit h th e
rea r u p switch .
Sea t rea r heigh t can' t b e adjuste d wit h th e
rea r dow n switch .
Steerin g colum n can' t b e adjuste d wit h
the tilt-u p switch .
Steerin g colum n can' t b e adjuste d wit h
th e tilt-dow n switch .
Steerin g colum n can' t b e adjuste d wit h
th e exten d switch .
Steerin g colum n can' t b e adjuste d wit h
th e retrac t switch .
Steerin g colum n doesn' t
tilt up an d retrac t
whe n th e ignitio n ke y i s pulle d out .
Steerin g colum n doesn' t til t up , o r th e
steerin g colum n positio n canno t b e
retrieve d wit h th e shif t leve r i n Possibl
e Caus e
Faul t i n slid e switc h o r slid e switc h wirin g
Faul t i n reclin e switc h o r reclin e switc h
wiring
Fault i n fron t up-dow n switc h o r fron t
up-dow n switc h wirin g
Faul t i n rea r up-dow n switc h o r rea r
up-dow n switc h wirin g
Faul t
in til t switc h or tilt switc h wiring
Fault i n extend-retrac t switc h o r
extend-retrac t switc h wirin g
Faul t i n MEM O butto n wirin g o r commo n
wirin g o f switche s
Faul t i n positio n butto n 1 wirin g o r
commo n wirin g o f switche s
Fault i n positio n butto n 2 wirin g o r
commo n wirin g o f switche s
Faul t i n forwar d slid e switc h wirin g o r
commo n wirin g o f switche s
Faul t i n backwar d slid e switc h wirin g o r
commo n wirin g o f switche s
Faul t i n forwar d reclin e switc h wirin g o r
commo n wirin g o f switche s
Faul t i n backwar d reclin e switc h wirin g o r
commo n wirin g o f switche s
Fault i n fron t u p switc h wirin g o r commo n
wiring o f switche s
Faul t i n fron t dow n switc h wirin g o r
commo n wirin g o f switche s
Faul t i n rea r u p switc h wirin g o r commo n
wirin g o f switche s
Faul t i n rea r dow n switc h wirin g o r
commo n wirin g o f switche s
Faul t i n tilt-u p switc h wirin g o r commo n
wirin g o f switche s
Faul t i n tilt-dow n switc h wirin g o r
commo n wirin g o f switche s
Faul t i n exten d switc h wirin g o r commo n
wirin g o f switche s
Faul t i n retrac t switc h wirin g o r commo n
wirin g o f switche s
Faul t i n th e ignitio n switc h o r ignitio n
switc h wirin g
Faul t i n th e transmissio n rang e switc h o r
transmissio n rang e switc h
Flowchar t
3
4
5
6
7
8
9
9
9
3
3
4
4
5
5
6
6
7
7
8
8
1
1
Pag e
23-21 4
23-215
23-216
23-21 7
23-218
23-21 9
23-22 0
23-22 0
23-22 0
23-214
23-21 4
23-215
23-21 5
23-21 6
23-216
23-217
23-217
23-21 8
23-218
23-219
23-21 9
23-20 6
23-206
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Steering Colum n Contro l Unit :
Cavit y Wir e Tes t conditio nTest: Desire d resul tPossibl e caus e if resul t i s no t obtaine d
A5
A 6
C 3
A1 2
C1
A1
A7
BLK/YE L
WHT/YE L
RED/YEL
BLK
BL K
LT GRN/RE D
BLK/WHT
Ignition switc h O N (II )
Unde r al l condition s
Unde r al l condition s
Ignitio n switc h O N (II) ,
an d d o no t operat e DPM S
Ignition switc h O N (II) ,and d o no t operat e DPM SChec
k fo r voltag e t o ground :
Ther e shoul d b e batter y voltage .
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r voltag e to ground :
Ther e shoul d b e n o voltage .
Chec k fo r voltag e t o ground :
Ther e shoul d b e approx . 5 V . •
Blow n No . 2 0 (2 0 A ) fus e in th e under -
das h fuse/rela y bo x
• A n ope n i n th e wire
• Blow n No . 5 6 (7. 5 A ) fus e in th e under -
hoo d fuse/rela y bo x
• A n ope n in th e wir e
• Blow n No . 5 4 (2 0 A ) fus e in th e under -
hoo d fuse/rela y bo x
• A n ope n i n th e wir e
• Poo r groun d (G401 , G40 2 o r G251 )
• A n ope n in th e wir e
• A n ope n o r shor t i n th e wir e
• A n ope n o r shor t i n th e wir e
Powe r Sea t Contro l Unit :
Cavit y Wir e Tes t conditio nTest: Desire d resul tPossibl e caus e if resul t i s no t obtaine d
A5
A6
C 5
C1 2
A12
C1
C 6
A1
A 7
BLK/YE L
WHT/YE L
RED/WH T
WHT/RED
BLK
BL K
BL K
LT GRN/RE D
BLK/WHT
Ignition switc h O N (II )
Unde r al l condition s
Unde r al l condition s
Unde r al l condition s
Under al l condition s
Ignition switc h O N (II) ,and d o no t operat e DPM S
Ignitio n switc h O N (II) ,and d o no t operat e DPM S
Check fo r voltag e to ground :There shoul d b e batter y voltage .
Check fo r continuit y t o ground :There shoul d b e continuity .
Chec k fo r voltag e t o ground :
Ther e shoul d b e n o voltage .
Chec k fo r voltag e t o ground :
Ther e shoul d b e approx . 5 V . •
Blow n No . 2 0 (2 0 A ) fus e in th e under -
das h fuse/rela y bo x
• A n ope n in th e wir e
• Blow n No . 5 6 (7. 5 A ) fus e in th e under -
hoo d fuse/rela y bo x
• A n ope n i n th e wire
• Blow n No . 1 1 (2 0 A ) fus e in th e under -dash fuse/rela y bo x
• A n ope n i n th e wir e
• Blow n No . 8 (2 0 A ) fus e in th e under -
das h fuse/rela y bo x
• A n ope n in th e wir e
• Poo r groun d (G401 , G40 2 o r G251 )
• A n ope n in th e wir e
• Poo r groun d (G651 , G681 )
• A n ope n in th e wir e
• A n ope n o r shor t i n th e wir e
• A n ope n o r shor t i n th e wir e
Powe r Mirro r Contro l Unit :
Cavit y Wir e Tes t conditio nTest: Desire d resul tPossibl e caus e if resul t i s no t obtaine d
B1
A 6
A1 1
B9
A1 2
A1
A7
RED/YE L(WHT/YEL )
WHT/YEL
YEL/BLK
BLK
BLK
LT GRN/RE D
BLK/WHT
Under al l condition s
Ignition switc h O N (II )
Unde r al l condition s
Ignition switc h O N (II) ,and d o no t operat e DPM S
Ignitio n switc h O N (II) ,
an d d o no t operat e DPM SChec
k fo r voltag e t o ground :
Ther e shoul d b e batter y voltage .
Chec k fo r continuit y t o ground :
Ther e shoul d b e continuity .
Chec k fo r voltag e t o ground :
Ther e shoul d b e n o voltage .
Chec k fo r voltag e t o ground :
Ther e shoul d b e approx . 5 V . •
Blow n No . 5 4 (2 0 A ) o r No . 5 6 (7. 5 A )
fus e in th e under-das h fuse/rela y bo x
• A n ope n in th e wir e
• Blow n No . 5 6 (7. 5 A ) fus e in th e under -
hoo d fuse/rela y bo x
• A n ope n in th e wire
• Blow n No . 1 9 (7. 5 A ) fus e in th e under -
das h fuse/rela y bo x
• A n ope n in th e wir e
• Poo r groun d (G401 , G40 2 o r G251 )
• A n ope n i n th e wir e
• A n ope n o r shor t i n th e wir e
• A n ope n o r shor t i n th e wir e
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Driving Positio n Memor y
Switc h Tes t
1. Remov e th e driver' s doo r pane l (se e sectio n 20 ).
2 . Disconnec t th e 10 P connecto r fro m th e memor y
switch .
MEMO BUTTO N
INDICATOR S(LED)
Termina l sid e o fmal e terminal s
POSITIONBUTTON S
3. Chec k fo r continuit y betwee n th e terminal s i n eac h
switc h positio n accordin g t o th e table .
3. Chec k fo r continuit y betwee n th e terminal s i n eac h
switc h positio n accordin g t o th e table .
Steerin g Colum n Switc h Tes t
1. Remove the steering column covers (see
section 20 ).
2 . Disconnec t th e 7 P connecto r fro m th e switch , the n
remov e th e switc h fro m th e steerin g colum n lowe r
cover .
STEERIN G COLUM N SWITC H
STEERIN G COLUM NLOWER COVE R
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Driving Positio n Memor y Syste m (DPMS )
Tilt/Extend-retrac t Moto r Tes t
1. Remove the steering column covers (see
section 20 ).
2 . Disconnec t th e connecto r fro m eac h motor .
EXTEND -RETRAC TMOTOR
EXTEND-RETRAC T MOTO R TIL T MOTO R
2 P CONNECTO R 3 P CONNECTO R
3. Tes t th e motor s accordin g t o th e table :
Tilt Motor :
Extend-retrac t Motor :
CAUTION : Whe n a moto r stop s running , disconnec t
batter y powe r immediately .
Tilt/Extend-retrac t Positio n Senso r
Test
1. Remove the steering column covers (see
section 20 ).
2 . Disconnec t th e 4 P connecto r fro m th e sensor .
EXTEND -RETRAC TPOSITION
SENSO R
4 P CONNECTO R
Termina l sid e o f
mal e terminal s
3. Measur e resistanc e betwee n th e terminal s i n eac h
positio n accordin g t o th e table .
Positio nTermina lResistanc e
Terminal sid e o fmal e terminal s
TIL
T
MOTO R
TILT
POSITIO N
SENSO R
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Driving Positio n Memor y Syste m (DPMS )
Steering Colum n Contro l Uni t Inpu t Tes t
1. Remov e th e dashboar d lowe r cove r (se e sectio n 20 ).
2 . Disconnec t th e steerin g colum n contro l uni t connectors .
3 . Inspec t th e connecto r an d socke t terminal s t o b e sur e the y ar e al l makin g goo d contact .
• I f th e terminal s ar e bent , loos e o r corroded , repai r the m as necessary , an d rechec k th e system .
• I f th e terminal s loo k OK , mak e th e followin g inpu t test s a t th e connector .
I f a tes t indicate s a problem , fin d an d correc t th e cause , the n rechec k th e system .
If al l th e inpu t test s prov e OK , substitut e a known-goo d contro l unit , an d rechec k th e system .
NOTE:
• I f al l th e contro l uni t (steerin g column , powe r seat , powe r mirror ) inpu t test s prov e OK , disconnec t al l thre e
contro l units , an d chec k fo r open s o r short s i n th e communicatio n lines .
• Al l connecto r view s ar e fro m wir e sid e o f femal e terminals .
STEERING COLUM N CONTRO L UNI T 12
P CONNECTO R "A "
BLK/WH T
BLK/BLUBLU/WH T
BLKRE D
WHT/YE L
RED/GR
N
BLU/WH T
BLK/YELLT GRN/RE D
16 P CONNECTO R "B "
BLUGR Y
LT BL U
RED/BL K
BLU/ORN
BLU/WH T
YEL/WHT
YEL/BLUBLU/YE LBLU/BLK
REDBR NPNK
8P CONNECTO R "C "
BLKBR N RED/YE L
LT GR NPNK/BL KGRY/RED
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Driving Positio n Memor y Syste m (DPMS )
Steering Colum n Contro l Uni t Inpu t Tes t (cont'd )
12P CONNECTO R "A "
RED/GR N BLU/WH TWHT/YELBLK/YEL
PNK BR NREDYEL/BL U
BLU/YE L
BLU/BLK
8P CONNECTO R "C "
RED/YE L
BLKBR N
GRY/RE DLT GR N
Cavit y Wir eTest conditio nTest: Desire d resul tPossibl e caus e if resul t i s no t obtaine d
B4
B5*
B1 6
B6*
B1 6
B7•
B1 6
B8•
B1 6
B1 3•
B16
B1 4
B16
B15
B16
LT BL U
RED/BL K•
YEL/BLU
BLU/OR N•
YEL/BLU
BLU/WH T•
YEL/BLU
YEL/WH T•
YEL/BLU
RED•
YEL/BL U
BLU/BL K•
YEL/BL U
BLU/YEL•
YEL/BLU
Auto switc h O N
Aut o switc h OF F
Exten d switc h O N
Exten d switc h OF F
Up switc h O N
U p switc h OF F
Positio n butto n 1
presse d
Position butto n 1
release d
MEMO butto n presse d
MEM O butto n release d
Retrac t switc h O N
Retrac t switc h OF F
Dow n switc h O N
Dow n switc h OF F
Positio n butto n 2
presse d
Position butto n 2
release d
Check fo r continuit y to ground :
Ther e shoul d b e continuity .
Check fo r continuit y t o ground :
There shoul d b e n o continuity .
Chec k fo r continuity :
Ther e shoul d b e continuity .
Check fo r continuity :
There shoul d b e n o continuity .
Chec k fo r continuity :
Ther e shoul d b e continuity .
Check fo r continuity :
There shoul d b e n o continuity .
Check fo r continuity :
There shoul d b e continuity .
Chec k fo r continuity :
Ther e shoul d b e n o continuity .
Check fo r continuity :
There shoul d b e continuity .
Check fo r continuity :
There shoul d b e n o continuity .
Chec k fo r continuity :
Ther e shoul d b e continuity .
Check fo r continuity :
There shoul d b e n o continuity .
Check fo r continuity :
There shoul d b e continuity .
Check fo r continuity :
There shoul d b e n o continuity .
Check fo r continuity :
There shoul d b e continuity .
Chec k fo r continuity :
Ther e shoul d b e n o continuity .
• Fault y steerin g colum n switc h
• A n ope n in th e wir e
• Fault y steerin g colum n switc h
• A n ope n in th e wir e
• Fault y steerin g colum n switc h
• A n ope n in th e wir e
• Fault y drivin g positio n memor y
switch
• A n ope n in th e wir e
• Fault y drivin g positio n memor y
switc h
• A n ope n in th e wir e
• Fault y steerin g colum n switc h
• A n ope n in th e wir e
• Fault y steerin g colum n switc h
• A n ope n in th e wir e
• Fault y drivin g positio n memor y
switch
• A n ope n in th e wir e
16P CONNECTO R "B "
RED/BL K
BLU GR Y
LT BL UBLU/OR N
BLU/WH
T
YEL/WHT
PNK/BLK
BLK/WH T BLK/BL U BLU/WH TBLKRE D
LT GRN/RE D
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Cavity Wire
Test condition

Test: Desired result
Possible cause if result is not obtained

C2

•

C7

C5

•

C6
BRN

•

LT GRN

GRY/RED

•

PNK/BLK
Connect C3 to the C2

terminal, and C7 termi-

nal to the C1 terminal

momentarily.

Connect C3 to the C3

terminal, and C2 termi-

nal to the C1 terminal

momentarily.

Connect C3 to the C5

terminal, and C6 termi-

nal to the C1 terminal

momentarily.

Connect C3 to the C6

terminal, and C5 termi-

nal to the C1 terminal

momentarily.
Check
the
tilt
motor operation:

The steering column should tilt up.

Check
the
tilt
motor operation:

The steering column should tilt

down.

Check the extend-retract motor

operation:

The steering column should

retract.

Check the extend-retract motor

operation:

The steering column should

extend.
• Faulty tilt motor

• An open in the wire

• Faulty tilt motor

• An open in the wire

• Faulty extend-retract motor

• An open in the wire

• Faulty extend-retract motor

• An open in the wire

Reconnect all connectors to the steering column control unit.

Cavity Wire
Test condition
Test: Desired result
Possible cause if result is not obtained

B2

•

B10

B9

•

B10

B1

•

B10
GRY

•

BRN

PNK

*

BRN

BLU

•

BRN
Under all conditions

with all steering

column control unit

connectors connected.

Under all conditions

with all steering

column control unit

connectors connected.

Under all conditions

with all steering

column control unit

connectors connected.
Check for voltage between the

B2 and B10 terminals:

There should be 5 V.

Check for voltage between the

B9 and B10 terminals:

There should be about 2.5 V or

more with the steering column in

the fully-extended position, and

about 2.5 V or less in the

fully-retracted position.

Check for voltage between the

B1 and B10 terminals:

There should be about 2.5 V or

more with the steering column in

the fully-up position, and about 2.5

V or less in the fully-down posi-

tion.
• Faulty steering column position

sensors

• An open in the wire

• Faulty steering column position

sensors

• An open in the wire

• Faulty steering column position

sensors

• An open in the wireProCarManuals.com

Precautions/Procedures
Steering-related Precaution s
Steering Whee l an d Cabl e Ree l Alignmen t
NOTE : T o avoi d misalignmen t o f th e steerin g whee l o n
reassembly , mak e sur e th e wheel s ar e turne d straigh t
ahea d befor e removin g th e steerin g wheel .
Rotat e th e cabl e ree l clockwis e unti l i t stops .
The n rotat e i t counterclockwis e (approximatel y 2
1/2
turns ) unti l th e arro w mar k o n th e cabl e ree l labe l point s
straigh t up . Steerin
g Colum n Remova l
CAUTION :
• Befor e removin g th e steerin g column , firs t disconnec t
th e connecto r betwee n th e cabl e ree l an d th e SR S
mai n harness .
• I f th e steerin g colum n is goin g to b e remove d withou t
dismountin g th e steerin g wheel , loc k th e steerin g b y
turnin g th e ignitio n ke y to 0-LOC K position , o r remov e
th e ke y fro m th e ignitio n s o tha t th e steerin g whee l
will no t turn .
NOTE :
• Whe n th e airba g an d cabl e ree l ar e disconnected , an d
th e batter y i s reconnecte d an d th e ignitio n switc h i s
turne d O N (II) , th e SR S uni t wil l stor e thi s a s a n ope n
i n th e driver' s airba g inflator , an d th e SR S indicato r
ligh t wil l com e on . I n suc h a case , confir m th e DTC ,
the n clea r th e SR S uni t memory .
• Fo r disconnectin g th e spring-loade d loc k typ e connec -
tor, refe r t o pag e 24-29 .
Do no t replac e th e origina l steerin g whee l wit h an y othe r
desig n becaus e i t will mak e i t impossibl e t o properl y
instal l th e airba g (us e onl y genuin e Hond a replacemen t
parts).
After reassembly , confir m th e wheel s ar e stil l turne d
straigh t ahea d an d tha t th e steerin g whee l spok e angl e is
correct . I f mino r spok e angl e adjustmen t i s necessary , d o
s o onl y b y adjustin g th e tie-rods , no t b y removin g an d
repositionin g th e steerin g wheel .
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Airbag

Replacement (cont'd)

CAUTION: Be sure to install the SRS wiring so that it is

not pinched or interfering with other parts.

5. Install new airbag(s):

Driver's Side: Place the driver's airbag in the steering

wheel, and secure it with new Torx bolts.

'96-98 Models
Front Passenger's Side:

• Place the front passenger's airbag in the dashboard.

• Tighten the front passenger's airbag mounting nuts.

'99 - 01 ModelsProCarManuals.com