1996 ACURA RL KA9 Service Repair Manual

Navigation Syste m
System Diagnosi s Mod e
Start-u p procedur e an d Diagnosi s Men u
There ar e tw o way s t o ente r th e diagnosti c mode :
1 . Connec t th e SC S connecto r (se e ste p 2 o n pag e
23-52 ) t o th e navigatio n servic e connecto r focate d
i n th e trunk . Tur n th e ignitio n switc h t o th e O N (II )
position . Th e displa y wil l g o directl y t o th e diagnosti c
men u scree n show n below .
Note : whe n finishe d troubleshooting , mak e sur e t o
remov e th e SC S connector !
2 . Tur n th e ignitio n switc h t o th e O N (II ) position .
Us e th e navigatio n displa y har d button s a s describe d
below :
A . I f th e batter y ha s no t bee n disconnected , the n
pres s an d hol d th e 3 button s (Menu , Map/Guide ,
an d Cancel) , an d kee p the m presse d fo r
approximatel y 5 seconds . Th e displa y scree n wil l
g o directl y t o th e "Selec t Diagnosi s Items " men u
show n below .
B . I f th e batter y wa s disconnecte d an d reconnecte d
prio r t o thi s test , hol d dow n th e Men u an d Zoo m
Ou t button s a t th e "Code " o r "GP S Acquire "
screen . Th e displa y wil l g o t o th e "Nav i Syste m
Link " screen . Pus h th e joystic k t o g o to th e
"Functiona l Setu p menu, " the n touc h th e Retur n
icon t o ge t t o th e "Selec t Diagnosi s Items " menu .
Note : Thi s onl y allow s acces s t o th e diagnosti c
screens . Al l othe r navigatio n function s ar e
disabled .
DIAGNOSI S MEN U SCREE N
After th e displa y change s t o th e Selec t Diagnosi s Item s
menu , touc h th e ite m yo u wan t t o chec k an d th e chec k
wil l start . T o retur n t o th e previou s screen , touc h
"RETURN" .
• Nav i Syste m
(Link)
• Monito r Chec k
• Uni t Chec k •
Ca r Statu s
• GP S
Informatio n
• Ya w Rat e
• Tir e Calibrat e
• Functiona l
Setu p
• Versio n
Navi Syste m Lin k
• Thi s diagnosti c test s th e cable s connectin g th e navi -
gation components . Ensur e tha t th e ignitio n switc h is
in th e O N (II ) position . Whe n th e diagnosti c begins , a
"bong " soun d i s heard . Th e syste m is i n a
"Detecting " mode , an d i s waitin g fo r al l item s i n
whit e t o b e tested . Thi s include s th e voic e contro l
switch , an d microphone . Pres s th e TAL K butto n o n
th e voic e contro l switch , an d in a norma l voice , sa y
"testing" . Th e Tal k indicato r o n th e scree n shoul d
becom e green , an d th e voic e leve l indicato r shoul d
mov e to th e 6
th ba r t o pass . Next , pres s th e BAC K
button . Thi s shoul d caus e th e Cance l indicato r t o g o
green .
• I f al l o f th e communicatio n line s connectin g th e
syste m components , an d th e voic e contro l
switch/microphon e chec k ou t O K (al l bloc k dia -
gra m item s green) , the n th e O K indicato r wil l
becom e green .
• I f ther e i s a proble m wit h th e system , th e fault y
system componen t ite m wil l chang e to red , an d
the scree n wil l sho w "NG " i n red . Us e th e trou -
bleshootin g index , an d othe r diagnosti c screen s t o
hel p locat e th e problem .
• Th e indicatio n o n th e scree n wil l no t chang e unti l
th e ignitio n switc h i s cycled . Afte r repairin g th e
affecte d cabl e o r system , repea t thi s diagnostic .
NOTE : Green boxes an d gree n "OK " indicat e tha t
the communication s line s (cables ) ar e intact . Thi s
diagnosti c doe s no t necessaril y impl y tha t th e
individua l component s ar e functionin g properly .
Fo r instance , th e GP S antenn a wir e ma y b e
crushed , bu t stil l sho w a s "green" . A roa d test , o r
othe r diagnosti c ma y b e necessar y t o fin d th e
problem.
• Touc h th e Exi t Dia g ico n t o exit .
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Monitor Chec k
Overvie w o f displa y uni t
• Th e displa y uni t communicate s wit h th e navigatio n
uni t ove r it s ow n GA-Ne t bus . Informatio n i s sen t t o
th e navigatio n uni t wheneve r th e use r activate s th e
touc h screen , o r har d buttons . Informatio n sen t b y
th e navigatio n uni t t o th e displa y uni t include s com -
mand s t o contro l th e LC D bac k light .
• Th e navigatio n uni t als o send s navigatio n informa -
tion to th e scree n usin g th e Red , Green , Blue , an d
Composit e Vide o signals .
• Th e displa y uni t i s protecte d b y th e securit y syste m
b y daisy-chainin g th e securit y signa l throug h it , an d
the n passin g th e signa l t o th e audi o unit .
• Th e illuminatio n inpu t fro m th e gaug e brightnes s
contro l provide s bac k lightin g fo r th e har d button s
surroundin g th e screen .
• Th e displa y uni t als o communicate s wit h th e climat e
contro l modul e to se t th e A/ C mode , an d fa n speed .
Thes e screen s allo w troubleshootin g o f th e displa y unit .
Touc h th e men u ite m yo u wan t t o troubleshoot , an d fol -
low the diagnosti c instructions .
RGB Colo r
This scree n verifie s tha t th e displa y uni t i s receivin g th e
vide o (R , G , B an d Composit e sync ) signal s properly .
Th e thre e primar y color s shoul d al l b e show n withou t
distortion . Th e combinatio n o f al l thre e shoul d produc e
a centra l whit e section . I f an y o f th e color s ar e missing ,
troubleshoo t fo r th e colo r signa l (se e pag e 23-28 ). I f th e
pictur e ha s line s i n it o r scroll s horizontally , o r vertically ,
troubleshoo t fo r a Composit e syn c proble m (se e pag e
23-29 ).
Gra y Ton e
Thi s scree n diagnose s problem s wit h contrast . Yo u
shoul d b e abl e to se e th e change s fro m ba r t o ba r
acros s th e scale . I t i s norma l fo r th e 2 bar s o n eithe r sid e
t o appea r th e same .
White Raste r
The entir e displa y mus t b e show n i n white .
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