1996 ACURA RL KA9 Service Repair Manual

Audio drivin g instruction s canno t b e hear d
Chec k th e audi o drivin g instruc -
tion s se t up :
1 . Pus h th e displa y uni t MEN U
key , an d selec t "set-up" .
2 . Chec k th e audi o drivin g
instructio n volum e setting .
Is i t se t t o OFF ?YES
NO
Se t the volum e t o a n audibl e
level .
Chec k fo r a shor t t o bod y groun d
i n th e R G circuit :
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e navigatio n
uni t connecto r B (16P ) an d
audi o uni t connecto r C (12P) .
3 . Chec k fo r continuit y betwee n
bod y groun d an d navigatio n
uni t connecto r B (16P ) termina l
No. 9 an d No . 1 0 individually .
Is ther e continuity ? Ther
e is a shor t t o bod y groun d
betwee n th e audi o uni t an d th e
navigatio n unit . Replac e th e
affecte d shielde d harness .
YES
NO
Chec k fo r a n ope n in th e R G L +circuit :Check fo r continuit y betwee n th e
navigatio n uni t connecto r B (16P )
termina l No . 9 an d th e audi o uni tconnecto r C (12P ) termina l No . 4 .
I s ther e continuity ?
NOTher e i s a n ope n betwee n th e
audi o uni t an d the navigatio n
unit . Replac e th e affecte d shielde d
harness .YES
Chec k fo r a shor t t o bod y groun d
i n th e MUT E circuit :
1 . Tur n th e ignitio n switc h OFF .
2 . Disconnec t th e navigatio n
unit connecto r B (16P ) an daudi o uni t connecto r C (12P) .
3 . Chec k fo r continuit y betwee n
bod y groun d an d navigatio n
uni t connecto r B (16P ) termina l
No. 3 .
Is ther e continuity ?
NO
(T o pag e 23-410 )
YESRepai r shor t t o bod y groun d in
th e wir e betwee n th e navigatio n
uni t an d th e audi o unit . Wir
e sid e o f femal e terminal s
NAVIGATIO
N UNI T CONNECTO R B (16P )
MUT E
Wir
e sid e o f femal e terminal s
AUDI
O UNI T CONNECTO R C (12P )
NAVIGATIO
N UNI T CONNECTO R B (16P )
Wir
e sid e o f femal e terminal s
NAVIGATIO
N UNI T CONNECTO R B (16P )
ProCarManuals.com

(To pag e 23-411 )
YES
Is ther e continuity ?NORepai r ope n in th e wir e betwee n
th e navigatio n uni t an d th e audi o
unit .
Chec
k fo r a n ope n i n th e AM P
S W +B circui t (audi o uni t side) :
Chec k fo r continuit y betwee n th e
navigatio n uni t connecto r A (12P )
termina l No . 8 an d th e audi o uni t
connecto r A (16P ) termina l No . 6 .
I
s ther e continuity ? Repai
r shor t t o bod y groun d in
th e wir e betwee n th e navigatio n
unit, th e audi o uni t an d th eamplifie r unit .
YES
NO
Chec k fo r a shor t t o bod y groun d
i n th e AM P S W +B circuit :
1 . Disconnec t th e navigatio n
uni t connecto r A (12P) , th e
audi o uni t connecto r A (16P )
an d th e amplifie r uni t connec -
tor B (12P) .2. Chec k fo r continuit y betwee n
th e navigatio n uni t connecto r
A (12P ) termina l No . 8 an d
bod y ground .
I
s ther e continuity ? Ther
e i s a n ope n betwee n th e
audi o uni t an d th e navigatio n
unit . Replac e th e affecte d shielde d
harness .
Check fo r a n ope n in th e GN D R G
circuit :
Chec k fo r continuit y betwee n th e
navigatio n uni t connecto r B (16P )
termina l No . 1 0 an d audi o uni t
connecto r C (12P ) termina l No . 10 .
NO
YE S
Repai r ope n in th e wir e betwee n
th e navigatio n uni t an d th e
audi o unit .NOIs ther e continuity ?
YES
Chec k fo r a n ope n in th e MUT Ecircuit :Check fo r continuit y betwee n th e
navigatio n uni t connecto r B (16P )
termina l No . 3 an d th e audi o uni t
connecto r C (12P ) termina l No . 7 .
(Fro
m pag e 23-409 )
'00 - 0 1 Model s (cont'd )
Troubleshootin g
NAVIGATION UNI T CONNECTO R B (16P )
MUT E
AUDI O UNI T CONNECTO R C (12P )
MUT E
Wir e sid e o f femal e terminal s
NAVIGATIO N UNI T CONNECTO R B (16P )
AUDI O UNI T CONNECTO R C (12P )
NAVIGATIO N UNI T CONNECTO R A (12P )
Wir
e sid e o f femal e terminal s
GND R G
Wir e sid e o f femal e terminal s
NAVIGATIO N UNI T CONNECTO R A (12P )
AUDI O UNI T
CONNECTO R A (16P )AMP S W +B
AM P S W +B
Wir e sid e o f femal e terminal s
AMP S W +B
ProCarManuals.com