1996 ACURA RL KA9 bulb

Troubleshooting
DTC 2-1 : Parkin g Brak e
The AB S contro l uni t monitor s th e parkin g brak e signa l durin g th e regula r diagnosi s (durin g driving) .
I t turn s th e AB S indicato r ligh t o n if i t detect s th e parkin g brak e O N signa l fo r 3 0 seconds .
Possibl e causes :
Drivin g wit h th e parkin g brak e applie d
Lo w flui d leve l i n th e maste r cylinde r reservoi r
Blow n brak e syste m ligh t bul b
Ope n circui t o r shor t t o bod y groun d betwee n th e brak e syste m ligh t an d AB S contro l uni t
Parkin g brak e switc h stuc k O N
Shor t t o bod y groun d betwee n th e brak e syste m ligh t an d parkin g brak e switc h
Brak e flui d leve l switc h stuc k O N
Shor t t o bod y groun d betwee n th e brak e syste m ligh t an d brak e flui d leve l switc h
Faulty AB S contro l uni t
Doe s th e brak e syste m ligh t
com e on ?
Chec k fo r a n ope n in th e IG 1 cir -
cuit :
1 . Disconnec t th e gaug e assem -
bl y 22 P connector .
2 . Measur e th e voltag e betwee n
terminal No . 2 2 an d bod yground .
Is ther e batter y voltage ?
Chec k th e brak e syste m ligh t bulb .
Is th e bul b OK ?
(To pag e 19-61 ) (T
o pag e 19-62 ) GAUG
E ASSEMBL Y 22 P CONNECTO R
Mete r rela y stuc k OFF .
Repai r ope n in th e wir e betwee n
th e METE R (1 5 A ) fus e i n th e
under-hoo d fuse/rela y bo x an d
gaug e assembly .
Repai r ope n i n th e wir e be -
twee n th e METE R (7. 5 A ) fus e
i n th e under-das h fuse/rela y
bo x an d bod y ground .
Replac e th e brak e syste m ligh t
bulb .
With engin e running , AB S indi -cato 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 ),
DT C 2- 1 i s indicated .
Chec k th e brak e syste m ligh t
powe r source :
1. Tur n th e ignitio n switc h O N (II) .2. Pres s th e parkin g brak e pedal .
Wire sid e o f femal e terminal s
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Troubleshooting
ABS Indicato r Doe s No t Com e O n
AB S indicato r doe s no t com e o nwhe n th e ignitio n switc h i sturne d O N (II) .
Chec k th e indicato r powe r
sourc e circuit :
Turn th e ignitio n switc h O N (II) .
Doe s th e brak e syste m indi -cato r com e on ?
Chec k th e AB S contro l unit :
1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e AB S contro lunit 12 P connector .3. Tur n th e ignitio n switc h O N (II) .
Doe s th e AB S indicato r
com e on ?
Is th e bul b OK ?
Chec k fo r a shor t t o bod y groun d
i n th e WAL P circuit :
1 . Disconnec t th e gaug e assem -
bl y 30 P connector .
2 . Chec k fo r continuit y betwee n
termina l No . 2 2 an d bod yground .
I s ther e continuity ?
(T o pag e 19-123 ) Gaug
e rela y stuc k OFF .
Blow n METE R (1 5 A ) fus e in th e
under-hoo d fuse/rela y box .
Blow n METE R (7. 5 A ) fus e i n
th e under-das h fuse/rela y box .
Repai r ope n in th e wir e betwee n
th e METE R (1 5 A ) fus e an d th e
gaug e assembly .
Repai r ope n i n th e wir e
betwee n th e METE R (7. 5 A )
fus e an d bod y ground .
Replac e th e under-hoo d fuse /
rela y bo x o r under-das h fuse /
rela y box . (Ope n circui t insid e
the box. )
Chec k fo r loos e AB S contro l uni t
connectors . I f necessary , substi -
tut e a known-goo d AB S contro l
uni t an d recheck .
Replac e th e AB S indicato r bulb .
GAUGE ASSEMBL Y 30 P CONNECTO R
Repai r shor t t o bod y groun d in th e
wir e betwee n th e gaug e assembl y
and th e AB S contro l unit .Wire sid e o f femal e terminal s
Chec
k th e AB S indicato r bul b i n
th e gaug e assembly .
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Diagnostic Troubl e Cod e (DTC )
Diagnosti c Troubl e Cod e (DTC ) Indicatio n
1. Connec t th e SC S servic e connecto r t o th e servic e chec k connecto r unde r th e glov e box .
2 . Tur n th e ignitio n switc h O N (II) , bu t d o no t star t th e engine .
3 . Recor d th e blinkin g frequenc y o f th e TC S indicato r light . Th e blinkin g frequenc y indicate s th e diagnosti c troubl e cod e
(DTC) .
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 is starte d if th e SC S servic e connecto r i s con -
nected .
5 . Perfor m th e DT C erasure .
SERVIC E CHEC KCONNECTO R (2P )
SC S SERVIC E CONNECTO R
07PAZ-001010 0
DTC Indicatio n Patter n
TCS INDICATO R LIGH T
Turn th e ignitio n switc h O N (II) . Th e TC S indicato r ligh t come s o n to chec k th e bulb . D o no t coun t i t a s DTC .
Th e TC S contro l uni t ca n memoriz e u p to 3 DTCs .
A ne w DT C is no t memorize d whe n th e TC S contro l uni t ha s alread y memorize d th e sam e DTC .
Th e TC S contro l uni t indicate s th e DT C repeatedl y a t interval s o f 3. 3 seconds .
I f yo u miscoun t th e blinkin g frequenc y o r i f yo u rechec k th e blinkin g frequency , tur n th e ignitio n switc h OFF , the n tur n
i t O N (II ) t o cycl e th e TC S indicato r ligh t again .
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Troubleshooting
TCS Indicato r Ligh t Doe s No t Com e O n
Th e TC S indicato r ligh t doe s no t com e o n whe n ignitio n switc h i s turne d O N (II) .
The TC S indicato r ligh t doe s no t
com e o n whe n ignitio n switc h is
turne d O N (II) .
Chec k th e METE R (1 5 A ) fus e in th e
under-hoo d fuse/rela y bo x an d
METE R (7. 5 A ) fus e i n th e under -
das h fuse/rela y box .
Ar e th e fuse s OK ?
Chec k fo r a n ope n in th e IG 1 cir -
cuit :
1 . Disconnec t th e gaug e assem -
bl y 22 P connector .
2. Tur n th e ignitio n switc h O N (II) .3. Measur e th e voltag e betwee n
th e gaug e assembl y 22 P con -
necto r termina l No . 2 2 an d
body ground .
Is ther e batter y voltage ?
Is th e bul b OK ?
Chec k th e gaug e assembly :
1 . Connec t th e gaug e assembl y
22 P connector .
2 . Connec t th e gaug e assembl y
22 P connecto r termina l No . 7
t o bod y groun d wit h a jumpe r
wire .
Doe s th e TC S indicato r ligh t
com e on ?
T o pag e 19-16 3 NOTE
: Al l indicato r light s excep t th e chargin g
system indicato r ligh t wil l no t com e o n whe none o f thes e fuse s i s blown .
Replac e th e fuse(s ) an d recheck .
NOTE : Reinstal l th e fuse s if the y ar e OK . GAUG
E ASSEMBL Y 22 P CONNECTO R
Repai r ope n in th e wir e betwee n
th e METE R (1 5 A ) fus e i n th e
under-hoo d fuse/rela y bo x an d
gaug e assembly .
Repai r ope n in th e wir e betwee n
th e METE R (7. 5 A ) fus e i n th e
under-das h fuse/rela y bo x an d
bod y ground .
Mete r rela y stuc k OFF .
Replac e th e under-hoo d fuse /
relay bo x o r under-das h fuse /relay box .
(Ope n circui t insid e th e fuse /
rela y box ) Wir
e sid e o f femal e terminal s
Replac e th e TC S indicato r ligh t
bulb.
JUMPE R WIR E
Replac e th e printe d circui t boar d
i n th e gaug e assembly .
Chec
k th e TC S indicato r ligh t bul b
i n th e gaug e assembly .
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Parking Brak e
Diagnosti c Troubl e Cod e (DTC ) 2 : Parkin g Brak e Diagnosi s
When th e rea r whee l spee d i s 6 mp h (1 0 km/h ) o r mor e an d th e parkin g brak e is applie d fo r mor e tha n 3 0 second s continu -
ously, th e TC S contro l uni t cause s th e TC S indicato r ligh t t o com e on .
Doe s th e brak e syste m ligh t
com e on ? T
o pag e 19-16 6
Is th e bul b OK ?Replac e th e brak e syste m ligh t
bulb .
GAUGE ASSEMBL Y 30 P CONNECTO R
Chec k th e gaug e assembly :
Connec t th e gaug e assembl y 30 P
connecto r termina l No . 5 to bod ygroun d wit h a jumpe r wire .
Wire sid e o f femal e terminal s
Doe s th e brak e syste m ligh t
com e ON ? Replac
e th e printe d circui t boar d
i n th e gaug e assembly .
Repai r ope n i n th e wir e betwee n
th e gaug e assembl y an d parkin g
brak e switch . JUMPE
R
WIRE
Chec k th e brak e syste m ligh t bulb .
Whe
n test-drivin g th e vehicl e
a t 6 mp h (1 0 km/h ) o r ove r fo r
mor e tha n 3 0 seconds , th e TC S
indicato r ligh t come s ON .
Wit h th e SC S servic e connec -
to r connecte d (se e page
19-159 ), DT C 2 is indicated .
Chec k th e brak e syste m ligh t
powe r source :
1. Tur n th e ignitio n switc h O N (II) .2. Pres s th e parkin g brak e pedal .
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ABS Indicato r Doe s No t Com e O n
Chec k th e indicato r powe r sourc e
circuit :
Turn th e ignitio n switc h O N (II) .
Doe s th e brak e syste m indica -
to r com e on ?
Chec k th e VS A contro l unit :
1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e VS A contro lunit 42 P connector .3. Tur n th e ignitio n switc h O N (II) .
Doe s th e AB S indicato r com e on ?
Chec k th e AB S indicator :
1. Tur n th e ignitio n switc h OFF .2. Chec k th e AB S indicato r bul b in
th e gaug e assembly .
Is th e bul b OK ?
Chec k fo r a shor t t o bod y groun d
i n th e AB S circuit :
1 . Disconnec t th e gaug e assem -
bly 30 P connector .2. Chec k fo r continuit y betwee nterminal No . 6 an d bod yground .
Is ther e continuity ?
(T o pag e 19-212 ) Gaug
e rela y stuc k OFF .
Blow n METE R (1 5 A ) fus e in th e
under-hoo d fuse/rela y box .
Blow n METE R (7. 5 A ) fus e i n
th e under-das h fuse/rela y box .
Repai r ope n in th e wir e betwee n
th e METE R (1 5 A ) fus e an d th e
gaug e assembly .
Repai r ope n in th e wir e betwee n
th e METE R (7. 5 A ) fus e an d bod y
ground .Replac e th e under-hoo d fuse /relay bo x o r under-das h fuse /relay box . (Ope n circui t insid ethe box. )
Check fo r loos e terminal s i n th e
VS A contro l uni t 42 P connector .
I f necessary , substitut e a known -
goo d VS A modulator-contro l
unit , an d recheck .
Replac e th e AB S indicato r bulb .
GAUG E ASSEMBL Y 30 P CONNECTO R
Wir e sid e o f femal e terminal s
Repai r shor t t o bod y groun d in th e
wir e betwee n th e gaug e assembl y
an d th e VS A contro l unit .
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VSA Syste m Indicato r Doe s No t Com e O n
Doe s th e brak e syste m indica -
to r com e on ?
Chec k th e VS A contro l unit :
1. Tur n th e ignitio n switc h OFF .2. Disconnec t th e VS A contro l
uni t 42 P connector .
3. Tur n th e ignitio n switc h O N (II) .
Doe s th e VS A syste m indica -
to r com e on ?
Chec k th e VS A indicator :
1. Tur n th e ignitio n switc h OFF .2. Chec k th e VS A syste m indica -
to r bul b in th e gaug e assembly .
Is th e bul b OK ?
Chec k fo r a shor t t o bod y groun d
i n th e VS A circuit :
1 . Disconnec t th e gaug e assem -
bl y 30 P connector.
2 . Chec k fo r continuit y betwee n
termina l No . 2 2 an d bod yground .
I s ther e continuity ?
(T o pag e 19-216 ) Gaug
e rela y stuc k OFF .
Blow n METE R (1 5 A ) fus e in th e
under-hoo d fuse/rela y box .
Blow n METE R (7. 5 A ) fus e i n
th e under-das h fuse/rela y box .
Repai r ope n in th e wir e betwee n
th e METE R (1 5 A ) fus e an d th e
gaug e assembly .Repair ope n in th e wir e betwee n
th e METE R (7. 5 A ) fus e an d bod y
ground .Replac e th e under-hoo d fuse /
rela y bo x o r under-das h fuse /
rela y box . (Ope n circui t insid e
the box. )
Chec k fo r loos e terminal s i n th e
VS A contro l uni t 42 P connector .
I f necessary , substitut e a known -
goo d VS A modulator-contro l
unit , an d recheck .
Replac e th e VS A syste m indica -
to r bulb .
GAUGE ASSEMBL Y 30 P CONNECTO R
Wir e sid e o f femal e terminal s
Repai r shor t t o bod y groun d in th e
wir e betwee n th e gaug e assembl y
an d th e VS A contro l unit .
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VSA Activation Indicator Does Not Come On

Does the brake system indica-

tor come on?

Check the VSA activation indica-

tor:

1. Turn the ignition switch OFF.

2. Check the VSA activation indi-

cator bulb in the gauge assem-

bly.

Is the bulb OK?

Check the VSA control unit:

1. Disconnect the VSA control

unit 42P connector.

2. Turn the ignition switch ON (II).

3. Connect the VSA control unit

42P connector terminal No. 7

and body ground with a

jumper wire.

Does the VSA activation

indicator come on?

Check the gauge assembly:

Connect the gauge assembly 22P

connector terminal No. 2 and

body ground with a jumper wire.

Does the VSA activation

indicator come ON?

Repair open in the wire between

the gauge assembly and the VSA

control unit.
Gauge relay stuck OFF.

Blown METER (15 A) fuse in the

under-hood fuse/relay box.

Blown METER (7.5 A) fuse in

the under-dash fuse/relay box.

Repair open in the wire between

the METER (15 A) fuse and the

gauge assembly.

Repair open in the wire between

the METER (7.5 A) fuse and body

ground.

Replace the under-hood fuse/

relay box or under-dash fuse/

relay box. (Open circuit inside

the
box.)

Replace the VSA activation indi-

cator bulb.
VSA CONTROL UNIT 42P CONNECTOR

JUMPER

WIRE

Check for loose terminals in the

VSA control unit 42P connector.

If necessary, substitute a known-

good VSA modulator-control

unit, and recheck.

JUMPER

WIRE
Wire side of female terminals

GAUGE ASSEMBLY 22P CONNECTOR

Wire side of female terminals

Check for loose terminals in the

gauge assembly 22P connector.

If the connector is OK, replace

the printed circuit board in the

gauge assembly.ProCarManuals.com