ACURA RL KA9 1996 Service Repair Manual
Manufacturer: ACURA, Model Year: 1996, Model line: RL KA9, Model: ACURA RL KA9 1996Pages: 1954, PDF Size: 61.44 MB
Page 251 of 1954
6. Check for continuity between the appropriate termi-
nals of navigation unit connector A (20P) and display
unit connector B (20P) based on the missing color(s).
Missing Navigation
color unit connector
A
(20P)
Blue A11
Green A2
Red A1
Display unit
connector B
(20P)
B10,
B20
B10,
B20
B10,
B20
NAVIGATION UNIT CONNECTOR A (20P)
Wire side of female terminals
DISPLAY UNIT CONNECTOR B I20PI
Wire side of female terminals
Is there continuity?
YES—There is a short to body ground in the circuit
between the display unit and the navigation unit.
Replace the affected shielded harness.
NO—Replace the navigation unit. If the problem is
still unresolved, replace the display unit.ProCarManuals.com
Page 252 of 1954
Picture ha s lines/othe r issue s
Diagnosti c Check : Monito r Chec k
NOTE :
• Alway s chec k th e connector s fo r poo r connection s o r
loos e terminals .
• Befor e troubleshooting , ge t th e navigatio n syste m
anti-thef t codes .
• Afte r troubleshooting , ente r th e navigatio n syste m
anti-thef t codes .
1. Chec k fo r electroni c aftermarke t accessorie s (passive -
ly hidden ) mounte d nea r th e displa y uni t o r th e navi -
gation unit .
Are there any electronic accessories?
YES—Disabl e th e accessories , an d recheck .
NO—Go t o ste p 2 .
2. Star t u p th e navigatio n picture .
Is the picture scrolling horizontally (left to right or
right to left)?
YES—Chec k fo r a n ope n o r shor t t o groun d i n th e C
SI G wir e fro m navigatio n uni t connecto r A (20P ) ter -
mina l No . 1 2 to displa y uni t connecto r B (20P ) termi -
nal No . 18 . Als o chec k fo r a shor t t o groun d betwee n
display uni t connecto r B termina l No . 1 9 an d termina l
No. 20 .
NO—G o t o ste p 3 .
3. G o int o th e Diagnosti c mod e an d us e "RG B Color "
diagnosti c unde r Monito r Chec k (se e pag e 23-41 ).
Is the picture missing a red, green or blue color?
YES—D o th e troubleshootin g fo r th e pictur e is miss -
ing a red , gree n o r blu e colo r o r ton e (se e pag e 23 -28) .
NO—G o t o ste p 4 .
(cont'd )
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Page 253 of 1954
Navigation Syste m
Sympto m Troubleshootin g (cont'd )
4. Tur n th e ignitio n switc h OFF .
5 . Substitut e a known-goo d displa y unit , an d recheck .
Is the picture OK?
YES—Replac e th e displa y uni t (se e pag e 23-54 ).
NO—Replac e th e navigatio n uni t
(se e pag e 23-53 ).
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Page 254 of 1954
Navigation Syste m
Sympto m Troubleshootin g (cont'd )
Display uni t button s d o no t wor k
NOTE :
• Alway s chec k th e connector s fo r poo r connection s o r
loos e terminals .
• Befor e troubleshooting , ge t th e navigatio n syste m
anti-thef t codes .
• Afte r troubleshooting , ente r th e navigatio n syste m
anti-thef t codes .
1. Tur n th e ignitio n switc h to AC C (I) .
2. G o int o th e Diagnosti c mod e an d us e "Touc h Panel "
diagnosti c unde r Monito r Chec k (se e pag e 23-41 )
and, i f necessary , "Display " diagnosti c unde r Uni t
Chec k (se e pag e 23-43 ).
Do the buttons work properly?
YES—System is OK .
NO—G o t o ste p 3 .
3. Measur e th e voltag e betwee n bod y groun d an d dis -
play uni t connecto r B (20P ) termina l No . 1 an d No . 2
individually .
DISPLAY UNI T CONNECTO R B (20P )
+B(WHT/YEL ) AC C (WHT/YEL )
Wire sid e o f femal e terminal s
Is there battery voltage?
YES—G o to ste p 4 .
NO—I f th e + B wir e doe s no t hav e voltage , repai r th e
ope n in th e wir e betwee n th e under-hoo d fuse/rela y
box an d th e displa y unit . I f th e AC C wir e doe s no t
hav e voltage , repai r th e ope n in th e wir e betwee n th e
under-das h fuse/rela y bo x an d th e displa y unit .
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Page 255 of 1954
- +
BODY
4. Turn the ignition switch OFF.
5. Disconnect the display unit connector B (20P).
6. Check for continuity between display unit connector
B (20P) terminal No. 10 and body ground.
DISPLAY UNIT CONNECTOR B (20P)
Wire side of female terminals
Is there continuity?
YES—Go to step 7.
NO—Repair the open in the wire between the display
unit and body ground (G251).
7. Disconnect the navigation unit connector A (20P).
8. Check for continuity between body ground and dis-
play unit connector B (20P) terminal No. 5 and No. 15
individually.
DISPLAY UNIT CONNECTOR B (20P)
DISP BUS {+)
(BLK)
Wire side of female terminals
Is there continuity?
YES—There is a short to body ground in the circuit
between the display unit and the navigation unit.
Replace the affected shielded harness.
NO—Go to step 9.
9. Check for continuity between display unit connector
B (20P) terminal No. 5 and navigation unit connector
A (20P) terminal No. 10.
DISPLAY UNIT CONNECTOR B (20P)
DISP BUS {+} (BLK)
Wire side of female terminals
Is there continuity?
YES—Go to step 10.
NO—There is an open in the circuit between the dis-
play unit and the navigation unit. Check for poor con-
nections or loose terminals at the display and naviga-
tion units. If a poor connection or loose terminal is
found, replace the affected shielded harness.
(cont'd)ProCarManuals.com
Page 256 of 1954
Navigation Syste m
Sympto m Troubleshootin g (cont'd )
10. Chec k fo r continuit y betwee n displa y uni t connecto r
B (20P ) termina l No . 1 5 an d navigatio n uni t connec -
tor A (20P ) termina l No . 20 .
Wir e sid e o f femal e terminal s
Is there continuity?
YES—Replac e th e displa y uni t (se e pag e 23-54 ).
NO—Ther e is a n ope n in th e circui t betwee n th e dis -
pla y uni t an d th e navigatio n unit . Chec k fo r poo r con -
nection s o r loos e terminal s a t th e displa y an d naviga -
tio n units . I f a poo r connectio n o r loos e termina l i s
found , replac e th e affecte d shielde d harness .
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Page 257 of 1954
Navigation Syste m
Sympto m Troubleshootin g (cont'd )
GPS ico n is whit e
Diagnosti c Test : Navigatio n Syste m Lin k
NOTE :
• Mak e sur e th e vehicl e i s parke d outsid e an d awa y
from buildings .
• Refe r t o GP S informatio n (se e pag e 23-46 ) fo r real -
tim e satellit e receptio n display .
Befor e assumin g tha t a GP S antenn a receptio n com -
plain t i s hardwar e related , b e awar e o f th e following :
• Th e GP S signa l i s extremel y wea k (abou t on e bil -
liont h th e strengt h o f a radi o broadcas t signa l
receive d b y a radi o antenna )
• I f th e rea r windo w ha s bee n tinte d wit h metalli c
tint, thi s ca n seriousl y degrad e o r bloc k GP S
reception .
• Loos e item s o n th e rea r shel f ca n bloc k satellit e
antenn a reception .
• Aftermarke t device s lik e Lo-Jack , remot e starter s
o r othe r electroni c device s locate d nea r th e navi -
gation uni t o r GP S antenn a ca n potentiall y inter -
fere wit h th e operatio n o f th e navigatio n an d On -
Star systems .
1 . Chec k fo r electroni c aftermarke t accessorie s (possibl y
hidden ) mounte d nea r th e GP S antenn a o r th e navi -
gation unit .
Are there any electronic accessories?
YES—Disabl e th e accessorie s an d recheck ,
NO—G o t o ste p 2 .
2. G o int o th e Diagnosti c mod e an d us e th e "Nav i
Syste m Link " diagnosti c (se e pag e 23-40 ) t o chec k
th e GP S antenna .
Is "GPS Ant" icon red?
YES—Us e th e "Nav i ECU " diagnosti c unde r Uni t
Chec k (se e pag e 23-43 ) t o chec k fo r a kinked , crushed ,
o r disconnecte d GP S antenn a wire . I f ico n i s stil l red ,
replac e th e GP S antenna .
NO—Chec k tha t nothin g is blockin g th e GP S antenn a
locate d unde r th e rea r shel f an d recheck . Substitut e
a known-goo d navigatio n unit , an d recheck .
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Page 258 of 1954
Voice guidanc e canno t b e hear d
Diagnosti c Test : Navigatio n Syste m Lin k
NOTE :
• Alway s chec k th e connector s fo r poo r connection s o r
loos e terminals .
• Befor e troubleshooting , writ e dow n th e customer' s
radi o statio n presets , an d ge t th e radi o an d naviga -
tio n syste m anti-thef t codes .
• Afte r troubleshooting , ente r th e radi o an d navigatio n
syste m anti-thef t codes , an d th e radi o statio n presets .
1 . Pres s th e displa y uni t A/ C INF O button , an d selec t
"set-up" .
2 . Chec k th e volum e settin g fo r th e navigatio n system .
Is it set OFF?
YES—Se t th e volum e to a n audibl e level .
NO—G o t o ste p 3 .
3 . Chec k th e radi o operation .
Can you hear the radio?
YES—G o to ste p 4 .
NO—Troubleshoo t the audi o system .
4 . G o int o th e Diagnosti c mod e an d us e th e "Nav i
Syste m Link " diagnosti c (se e pag e 23-40 ) t o chec k
th e radio .
Is "Radio" icon red?
YES—Troubleshoo t the audi o system .
NO—G o t o ste p 5 . Is
there continuity?
YES—Replac e th e affecte d shielde d harness .
NO—G o t o ste p 8 .
(cont'd)
5
. Tur n th e ignitio n switc h OFF .
6. Disconnec t the navigatio n unit connecto r B (14P).
7. Chec k fo r continuit y betwee n bod y groun d an d navi -
gatio n uni t connecto r B (14P ) terminal s No . 5 an d No .
12 individually .
ProCarManuals.com
Page 259 of 1954
Navigation Syste m
Sympto m Troubleshootin g (cont'd )
8. Chec k fo r continuit y betwee n navigatio n uni t connec -
tor B (14P ) termina l No . 5 an d th e audi o uni t connec -
tor A (20P ) termina l No . 13 .
NAVIGATIO N UNIT CONNECTO R B (14P>
RG L (+ ) (WHT )
AUDIO UNI T CONNECTO R A (20P )
Wire sid e o f femal e terminal s
Is there continuity?
YES—G o to ste p 9 .
NO—Ther e is a n ope n i n th e circui t betwee n th e navi -
gatio n uni t an d audi o unit . Chec k fo r poo r connec -
tions o r loos e terminal s a t th e audi o an d navigatio n
units. I f a poo r connectio n o r loos e termina l i s found ,
replace th e affecte d shielde d harness .
9. Chec k fo r continuit y betwee n navigatio n uni t connec -
tor B (14P ) termina l No . 1 2 an d th e audi o uni t connec -
tor B (14P ) termina l No . 8 .
NAVIGATIO N UNI T CONNECTO R B (14P )
Wire sid e o f femal e terminal s
Is there continuity?
YES—G o to ste p 10 .
NO—Ther e is a n ope n i n th e circui t betwee n th e navi -
gatio n uni t an d th e audi o unit . Chec k fo r poo r con -
nection s o r loos e terminal s a t th e audi o an d naviga -
tion units . I f a poo r connectio n o r loos e termina l i s
found , replac e th e affecte d shielde d harness .
10. Substitut e a known-goo d audi o unit , an d recheck .
Is the system OK?
YES—Replac e th e audi o unit .
NO—Replac e th e navigatio n uni t
(see pag e 23-53 )
ProCarManuals.com
Page 260 of 1954
Voice contro l doe s no t wor k
Diagnosti c Test : Navigatio n Syste m Lin k an d
Functiona l Setu p
NOTE :
• Alway s chec k th e connector s fo r poo r connection s o r
loos e terminals .
• Befor e troubleshooting , writ e dow n th e customer' s
radi o statio n presets , an d ge t th e radi o an d naviga -
tio n syste m anti-thef t codes .
• Afte r troubleshooting , ente r th e radi o an d navigatio n
syste m anti-thef t codes , an d th e radi o statio n presets .
Befor e assumin g tha t a voic e contro l complain t i s
hardwar e related , ensur e tha t th e voic e contro l syste m
i s bein g operate d correctly .
• Mak e sur e yo u ar e o n th e correc t scree n whe n tryin g
t o issu e a voic e command . Fo r instance , th e com -
man d "Fin d th e neares t Italia n Restaurant " onl y
work s o n a Ma p screen . (Se e th e Navigatio n Owner' s
manua l fo r a complet e lis t o f allowe d voic e com -
mand s fo r th e informatio n bein g displayed) .
• Clos e th e window s an d sunroof .
• Se t th e fa n spee d t o lo w (1 o r 2) .
• Adjus t th e ai r flo w fro m th e dashboar d vent s s o tha t
they d o no t blo w agains t th e microphon e o n th e
celling .
• Paus e afte r pressin g th e TAL K button , the n giv e a
voic e comman d in a clear , natura l speakin g voice .
I f th e syste m canno t recogniz e you r command , spea k
louder .
• I f th e microphon e pick s u p voice s othe r tha n yours ,
th e syste m ma y no t interpre t you r voic e command s
correctly .
• I f yo u spea k a comman d wit h somethin g in you r
mouth , o r you r voic e is eithe r to o hig h o r to o husky ,
th e syste m ma y misinterpre t you r command .
1 . G o int o th e Diagnosti c mod e an d us e th e "Mi c Level "
diagnosti c th e unde r Functiona l Setu p (se e pag e 23 -48
t o chec k th e operatio n o f th e TAL K an d BAC K but -
tons.
Are the TALK and BACK buttons operational?
YES—G o to ste p 2 .
NO—Chec k fo r a n ope n o r shor t t o groun d o n naviga -
tio n uni t connecto r B (14P ) termina l No . 10 . 2
. Us e th e "Mi c Level " diagnosti c unde r Functiona l
Setu p (se e pag e 23-48 ) t o chec k th e operatio n o f th e
microphone .
Is the microphone operational?
YES—Chec k th e operatio n o f th e voic e contro l sys -
te m (Se e th e Navigatio n Syste m Owner' s Manual) .
NO—Chec k fo r a loos e o r missin g microphon e assembly .
I f OK , chec k fo r a n ope n o r shor t t o groun d o n navigatio n
uni t connecto r B (14P ) terminal s No . 6 an d No . 14 .
Curso r constantl y leave s roa d
Diagnosti c Test : Ya w Rat e an d Ca r Statu s
1 . Chec k th e GP S ico n o n th e navigatio n picture .
Is the GPS icon white?
YES—D o th e troubleshootin g fo r GP S ico n i s whit e
(see page 23-32)
NO—G o t o ste p 2 .
2 . G o int o th e Diagnosti c mod e an d us e th e "Ya w Rate "
diagnosti c (se e pag e 23-47 ) t o chec k th e ya w rat e
sensor .
3. G o int o th e Diagnosti c mod e an d us e th e "Ca r
Status " diagnosti c (se e pag e 23-45 ) t o chec k th e vehi -
cl e spee d pulse .
Are the yaw rate sensor and vehicle speed pulse OK?
YES—Th e proble m ma y b e normal . Chec k t o se e if
th e proble m occur s i n th e sam e place . I f i t does , th e
proble m coul d b e in th e database . G o to ste p 4 .
NO—I f th e proble m is th e ya w rat e sensor , replac e
the navigatio n uni t (se e pag e 23-53 ). I f th e proble m is
th e vehicl e spee d pulse , troubleshoo t th e vehicl e
spee d signa l circuit .
4 . Substitut e a known-goo d navigatio n uni t an d chec k
t o se e if th e proble m occur s i n th e sam e place .
Doe s the problem occur in the same place?
YES—Th e proble m is in th e database . Repor t th e
proble m accordin g t o th e Navigatio n Syste m
Owner' s Manua l unde r "Reportin g Errors" .
NO—Replac e th e navigatio n uni t
(se e pag e 53 ).
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