Remote Radio Controls; Body Control Module - Chrysler Sebring 2005 Service Manual

GEN ERAL I N FORM AT I ON
t h is t ype of syst em wou ld on ly r efer t o t h is cir cu it .
A fa u lt y spea ker cou ld n ot ca u se t h is DTC.
Th e n ew in -da sh CD-ch a n ger is design ed t o fit
in t o t h e exist in g cu bby bin in t h e cen t er st a ck. Th is
n ew ca r t r idge-less CD-ch a n ger is con t r olled by you r
r a dio, a n d a llows you t o in dividu a lly loa d u p t o fou r
discs a t on e t im e. H owever, du e t o it s com pa ct
design , t h e CD-ch a n ger ca n on ly ca r r y ou t on e
oper a t ion a t a t im e. F or exa m ple you ca n n ot loa d a
n ew disc wh ile pla yin g a n ot h er a t t h e sa m e t im e.
E a ch oper a t ion h a ppen s sequ en t ia lly.
Th e r a dio u n it in st a lled wit h t h e syst em pr ovides
con t r ol over a ll fea t u r es of t h e CD-ch a n ger wit h t h e
except ion of t h e CD loa d a n d eject fu n ct ion s, wh ich
a r e con t r olled by bu t t on s loca t ed on t h e fr on t of t h e
CD-ch a n ger. Th e r a dio a lso su pplies t h e power,
gr ou n d, P CI Bu s, left a n d r igh t spea ker ou t pu t
t h r ou gh a sin gle DIN ca ble. All fea t u r es you wou ld
expect , su ch a s Disc Up/Down , Tr a ck Up/Down ,
Ra n dom a n d Sca n a r e con t r olled by t h e r a dio, wh ich
a lso displa ys a ll r eleva n t CD-ch a n ger in for m a t ion
on t h e r a dio displa y.
Th e CD-ch a n ger con t a in s a Loa d/E ject bu t t on
a n d a n in dica t or ligh t for ea ch of t h e fou r disc
posit ion s. Th e in dividu a l ligh t in dica t es wh et h er a
CD is cu r r en t ly loa ded in t h a t pa r t icu la r ch a m ber of
t h e CD-ch a n ger. P r essin g t h e in dividu a l Loa d/E ject
bu t t on for a pa r t icu la r ch a m ber will eject a disc
cu r r en t ly pr esen t in t h a t ch a m ber. If t h e ch a m ber is
cu r r en t ly em pt y, a ct u a t in g t h e Loa d/E ject bu t t on
will posit ion t h a t ch a m ber t o r eceive a n d loa d a n ew
disc in t h a t ch a m ber.

3.2.1 REMOTE RADIO CONTROLS

Th ese r a dios ca n be con t r olled via r em ot e r a dio
swit ch es (opt ion a l). Th ese swit ch es a r e loca t ed on
t h e ba ck side of t h e st eer in g wh eel. Th ey con t r ol
m ode, pr eset , seek u p, seek down , volu m e u p a n d
volu m e down fu n ct ion s.
Th ese fu n ct ion s a r e in pu t s t o t h e Body Con t r ol
Modu le a n d ca n be r ea d wit h t h e DRBIII . Th e
swit ch es a r e a m u lt iplexed sign a l t o t h e BCM. Th e
r a dio con t r ol MUX cir cu it is a 5 volt lin e t h a t is
pu lled t o gr ou n d t h r ou gh differ en t va lu e r esist or s
bu ilt in t o t h e swit ch es. Th is ca u ses a volt a ge dr op t o
be seen by t h e BCM a n d it sen ds a specific m essa ge
t o t h e r a dio on t h e P CI Bu s cir cu it . Th e r a dio t h en
r espon ses t o t h e m essa ge.
Th is cir cu it is fa ir ly sim ple t o t r ou blesh oot . Th e
cir cu it m u st be com plet e fr om t h e swit ch es in t h e
st eer in g wh eel t o t h e BCM. Th e gr ou n d m u st be
com plet e so t h a t t h e swit ch es ca n ca u se t h e volt a ge
dr op for t h e BCM t o see. Th e cir cu it pa sses t h r ou gh
t h e clockspr in g so con t in u it y t h r ou gh t h is device
m u st be ver ified.

3.3 BODY CONTROL MODULE

Th e body con t r ol m odu le (BCM) su pplies veh icle
occu pa n t s wit h visu a l a n d a u dible in for m a t ion a n d
con t r ols va r iou s veh icle fu n ct ion s. To pr ovide a n d
r eceive in for m a t ion , t h e m odu le is in t er fa ced t o t h e
veh icle's ser ia l bu s com m u n ica t ion s n et wor k (t h e
P r ogr a m m a ble Com m u n ica t ion In t er fa ce or P CI
bu s). Th is n et wor k con sist s of t h e body con t r ol
m odu le (BCM), power t r a in con t r ol m odu le (P CM),
sen t r y key im m obilizer m odu le (SKIM), t h e elect r o/
m ech a n ica l in st r u m en t clu st er (MIC), com pa ss/
m in i-t r ip com pu t er (CMTC), a ir ba g con t r ol m odu le
(ORC), opt ion a l a n t ilock br a kes (ABS), t h e opt ion a l
a u t om a t ic t em per a t u r e con t r ol m odu le, t h e opt ion a l
r a dio a n d r em ot e CD-pla yer. Th e (BCM) is oper a -
t ion a l wh en ba t t er y power is su pplied t o t h e m od-
u le, ign it ion swit ch power is n eeded for ign it ion
swit ch ed fu n ct ion s.
Th e body con t r ol m odu le pr ovides t h e followin g
fea t u r es:
A/C swit ch st a t u s/eva por a t or t em per a t u r e st a t u s
BCM dia gn ost ic su ppor t
Cen t r a l lock a n d u n lock (VTSS on ly)
Clim a t e Con t r ol syst em su ppor t
Door a ja r swit ch st a t u s
Door Lock In h ibit (key in ign it ion or h ea dla m ps/
pa r k la m ps on )
E lect r on ic Odom et er Su ppor t
H ea dla m p Tim e Dela y
Illu m in a t ed E n t r y wit h "fa de t o off"
In t er ior ligh t in g wit h ba t t er y sa ve fea t u r e
Mech a n ica l In st r u m en t Clu st er (fu el level, dim
da t a , odom et er & wa r n in g ch im e) su ppor t
Tr a vel in for m a t ion syst em
P ower con ver t ible t op
P ower door lock m u lt iplexin g con t r ol
Rea r Win dow Defogger Con t r ol
Rem ot e Keyless E n t r y wit h P a n ic Mode
Rem ot e power deck lid r elea se
Rem ot e r a dio swit ch con t r ol
Rollin g door lock con t r ol (cu st om er pr ogr a m m a ble)
Sen t r y key im m obilizer su ppor t
Veh icle Th eft Secu r it y Syst em
Wiper Con t r ol (speed sen sit ive wit h r et u r n t o pa r k)
Th e BCM r eceives in for m a t ion over t h e P CI Bu s
fr om t h e P CM in or der t o su ppor t cer t a in fea t u r es.
Th e r equ ir ed in for m a t ion is a s follows:
E n gin e RP M
•
E n gin e Tem per a t u r e
•
In ject or on Tim e a n d Dist a n ce P u lses
•
Veh icle Speed
•
Ch a r gin g Syst em F a ilu r e, E n gin e Tem per a t u r e
•
Lim p-In , VTSS Ar m in g St a t u s
E n gin e Model
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