1997 ACURA NSX Service Repair Manual

Diagnostic Troubl e Cod e (DTC )
Diagnosti c Troubl e Cod e (DTC ) Indicatio n
NOTE: Thi s operatio n can also b e don e wit h th e Hond a PG M Tester .
1 . Connec t th e SC S servic e connecto r t o th e servic e chec k connecto r (2P ) locate d unde r th e glov e box .
2 . Tur n th e ignitio n switc h O N (II ) withou t th e brak e peda l depressed .
NOTE : I f th e brak e peda l i s depresse d whe n turnin g th e ignitio n switc h O N (II) , th e syste m shift s t o th e DT C clearin g
mode .
3 . Th e AB S indicato r come s o n fo r abou t tw o second s an d goe s off . The n i t wil l indicat e th e DTC .
NOTE :
• I f th e DT C is no t memorized , th e AB S indicato r wil l g o of f fo r 3. 6 seconds , an d the n com e bac k on .
• I f th e AB S indicato r continue s on , troubleshoo t fo r "AB S indicato r doe s no t g o off " (se e pag e 19-15 ).
4 . Tur n th e ignitio n switc h OFF , an d remov e th e SC S servic e connector .
NOTE : Th e Malfunctio n Indicato r Lam p (MIL ) wil l sta y o n afte r th e engin e i s starte d i f th e SC S servic e connecto r i s con -
nected .
Condition s fo r DT C indicatio n
• Vehicl e spee d is 6 mp h (1 0 km/h ) o r less .
• Th e SC S servic e connecto r i s connecte d befor e th e ignitio n switc h i s turne d O N (II) .
• Th e brak e peda l i s released .
SERVICE CHEC KCONNECTO R (2P )
ABS INDICATO R
SCS SERVIC E CONNECTO R07PAZ - 001010 0
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DTC Clearin g
NOTE: Thi s operatio n ca n als o b e don e wit h th e Hond a PG M Tester .
1 . Connec t th e SC S servic e connecto r t o th e servic e chec k connecto r (2P ) locate d unde r th e glov e box .
2 . Depres s th e brak e pedal .
3 . Tur n th e ignitio n switc h O N (II ) whil e keepin g th e brak e peda l depressed .
4 . Afte r th e AB S indicato r goe s off , releas e th e brak e pedal .
5 . Afte r th e indicato r come s on , depres s th e brak e peda l again .
6 . Afte r th e indicato r goe s off , releas e th e brak e peda l again .
7 . Afte r a fe w seconds , th e AB S indicato r blink s twic e an d th e DT C is cleared . I f th e indicato r doe s no t blin k twice , repea t
steps 1 through 6. If the indicator stays ON after the indicator blinks twice, check the DTC because a problem was
detecte d durin g initia l diagnosi s befor e shiftin g t o DT C clearin g mode .
8. Tur n th e ignitio n switc h OFF , an d remov e th e SC S servic e connector .
Condition s fo r DT C indicatio n
• Vehicl e spee d i s 6 mp h (1 0 km/h ) o r less .
• Th e SC S servic e connecto r i s connecte d befor e th e ignitio n switc h i s turne d O N (II) .
• Th e brak e peda l i s depresse d befor e th e ignitio n switc h i s turne d O N (II) .
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Troubleshooting Inde x
Diagnosti c Troubl e Cod e (DTC )
19-13
19-1 5
19-2 8
19-2
8
19-2
7
19-2
6
19-2
5
19-2
4
19-2
3
19-2
2
19-2
1
19-1
8
19-1 9
19-2 0
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ABS Modulator-Contro l Uni t
Removal/Installatio n
NOTE:
• D o no t spil l brak e flui d o n th e vehicle ; i t ma y damag e th e paint ;
i f brak e flui d doe s contac t th e paint , was h i t of f immediatel y
wit h water .
• Tak e car e no t t o damag e o r defor m th e brak e line s durin g
remova l an d installation .
• T o preven t th e brak e flui d fro m flowing , plu g an d cove r th e
hos e end s an d joint s wit h a sho p towe l o r equivalen t material .
Removal
1. Pul l th e loc k o f th e AB S contro l uni t 25 P connecto r up , the n dis -
connec t th e connector .
2 . Disconnec t th e si x brak e pipes .
3 . Remov e th e tw o 6 m m nuts .
4 . Remov e th e AB S modulator-contro l unit .
Installatio n
1. Instal l th e AB S modulator-contro l uni t s o alignin g th e fla t sec -
tio n o f th e mountin g bol t an d sli t o f th e bracket , the n tighte n th e
tw o 6 m m nuts .
2 . Alig n th e connectin g surfac e o f th e AB S contro l uni t 25 P con -
nector .
3. Pus h th e loc k o f th e AB S contro l uni t 25 P connecto r i n unti l yo u
hea r th e sound , the n connec t th e connector .
4 . Blee d th e brak e system , startin g wit h th e fron t wheels .
5 . Star t th e engine , an d chec k tha t th e AB S indicato r goe s off .
6 . Test-driv e th e vehicle , an d chec k tha t th e AB S indicato r doe s
no t com e on .
LOC K
ABS CONTRO L UNI T 25 P CONNECTO R
To left-fron t
To right-rear
To left-rea r
To right-fron t
ABS MODULATOR-CONTRO L UNIT
RUBBE R MOUN T
MOUNTIN G BOL T
FLA T SECTIO N
6 m m NU T9.8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
8 m m BOL T
22 N-m (2.2 kgf-m, 16 Ibf-ft) ABS CONTRO L UNI T 25 P CONNECTO R
SLI
T
BRACKE T
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ABS Indicato r Rela y
Inspectio n
1. Chec k fo r continuit y betwee n terminal s
Ther e shoul d b e continuity .
2. Connec t a 1 2 V batter y acros s terminal s
There shoul d b e n o continuit y betwee n terminal s
and
Pulsers/Whee l Sensor s
Inspectio n
1. Chec k th e fron t an d rea r pulse r fo r chippe d o r dam -
age d teeth .
2 . Measur e th e ai r ga p betwee n th e whee l senso r an d
pulse r al l th e wa y aroun d whil e rotatin g th e pulser .
I f th e ai r ga p exceed s specification , chec k fo r a ben t
suspensio n arm .
Standard :
Front/Rea r 0. 4 - 1. 0 m m (0.0 2 - 0.0 4 in )
Front/Rea r
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Wheel Senso r Replacemen t
NOTE: B e carefu l whe n installin g th e sensor s t o avoi d twistin g th e wires .
Front
CORROSIO N RESISTAN T BOL T
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft )
Rear
CORROSIO N RESISTAN T BOL T
8 x 1.2 5 mm22 N- m (2. 2 kgf-m , 1 6 Ibf-ft )
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m , 7. 2 Ibf-ft )
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
6 x 1. 0 m m9.8 N- m (1. 0 kgf-m ,
7. 2 Ibf-ft )
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Interior Tri m
Replacemen t
Coupe:
Disassembl e in numbere d sequence .
NOTE:
• Whe n removin g th e rea r tri m panels , tak e car e no t t o
damag e th e contro l unit s an d relays .
• Tak e car e no t t o scratc h th e tri m panels .
Installatio n i s th e revers e o f th e remova l procedure .
NOTE :
• I f necessary , replac e an y damage d clips .
• Mak e sur e th e chil d sea t tethe r ancho r i s
installe d securely .
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Seat Bel t
Chil d Sea t Tethe r Ancho r Removal/Installatio n
An attachmen t poin t i s provide d fo r a sea t mounte d chil d restrain t syste m tha t use s a to p tether . Th e attachmen t poin t i s
locate d o n th e righ t rea r tri m pane l behin d th e passenger' s seat-back . Th e chil d sea t tethe r ancho r i s installe d o n th e righ t
rea r tri m panel . Th e chil d sea t tethe r ancho r i s covere d wit h th e chil d sea t tethe r ancho r cover .
NOTE:
• D o no t remov e th e toothe d washe r fro m th e chil d sea t tethe r anchor . Us e th e chil d sea t tethe r ancho r wit h th e toothe d
washe r attache d t o it .
• Whe n installin g a chil d sea t o n th e passenger' s seat , follo w th e instruction s o f th e manufacture r o f th e chil d seat .
Unit: m m (in. )
RIGH T REA R
TRI M PANE L
ATTACHMEN T POIN T
TOOTHE D WASHE R
CHILD SEA T
TETHE R ANCHO R
COVER
8 x 1.2 5 mm22 N- m (2. 2 kgf-m ,
1 6 Ibf-ft ) CHIL
D SEA T
TETHE R ANCHO R
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