Autostick Feature (If Equipped) - Chrysler Sebring 2005 Service Manual

GEN ERAL I N FORM AT I ON
Th e con t r ol m odu le con t in u ou sly ch ecks for elec-
t r ica l pr oblem s, m ech a n ica l pr oblem s, a n d som e
h ydr a u lic pr oblem s. Wh en a pr oblem is sen sed, t h e
con t r ol m odu le st or es a dia gn ost ic t r ou ble code.
Som e of t h ese codes ca u se t h e t r a n sa xle t o go in t o
Lim p-in or defa u lt m ode. Wh ile in t h is m ode, elec-
t r ica l power is r em oved fr om t h e t r a n sa xle, de-
en er gizin g t h e t r a n sm ission con t r ol r ela y, a n d sole-
n oid pa ck. Wh en t h is h a ppen s, t h e on ly t r a n sa xle
m ech a n ica l fu n ct ion s a r e:
P a r k a n d Neu t r a l
Rever se
Secon d Gea r
No u psh ift s or down sh ift s a r e possible. Th e posi-
t ion of t h e m a n u a l va lve a lon e a llows t h e t h r ee
r a n ges t h a t a r e a va ila ble. Alt h ou gh veh icle per for-
m a n ce is ser iou sly degr a ded wh ile in t h is m ode, it
a llows t h e own er t o dr ive t h e veh icle in for ser vice.
On ce t h e DRBIII is in t h e Tr a n sm ission por t ion
of t h e dia gn ost ic pr ogr a m , it con st a n t ly m on it or s
t h e con t r ol m odu le t o see if t h e syst em is in Lim p-in
m ode. If t h e t r a n sa xle is in Lim p-in m ode, t h e
DRBIII will fla sh t h e r ed LE D.
3.2.1 AUTOSTICK FEATURE (IF
EQUIPPED)
Th is fea t u r e a llows t h e dr iver t o m a n u a lly sh ift
t h e t r a n sa xle wh en t h e sh ift lever is m oved t o t h e
Au t oSt ick posit ion . Wh en in Au t oSt ick m ode, t h e
in st r u m en t clu st er displa ys t h e cu r r en t gea r.
3.2.2 TRANSMISSION OPERATION AND
SHIFT SCHEDULING AT VARIOUS
OIL TEMPERATURES.
Th e t r a n sm ission cover ed in t h is m a n u a l h a s
u n iqu e sh ift sch edu les depen din g on t h e t em per a -
t u r e of t h e t r a n sm ission oil. Th e sh ift sch edu le is
m odified t o ext en d t h e life of t h e t r a n sm ission wh ile
oper a t in g u n der ext r em e con dit ion s.
Th e oil t em per a t u r e is m ea su r ed wit h a Tem per-
a t u r e Sen sor on t h e 40/41TE t r a n sm ission . Th e
Tem per a t u r e Sen sor is a n in t egr a l com pon en t of t h e
Tr a n sm ission Ra n ge Sen sor (TRS). If t h e Tem per a -
t u r e Sen sor is fa u lt y, t h e t r a n sm ission will defa u lt
t o a ca lcu la t ed oil t em per a t u r e. Oil t em per a t u r e
will t h en be ca lcu la t ed t h r ou gh a com plex h ea t
t r a n sfer equ a t ion u sin g en gin e coola n t t em per a -
t u r e, ba t t er y/a m bien t t em per a t u r e, a n d en gin e off
t im e. Th ese in pu t s a r e r eceived fr om t h e P CI bu s
per iodica lly a n d u sed t o in it ia lize t h e oil t em per a -
t u r e a t st a r t u p. On ce t h e en gin e is st a r t ed, t h e
con t r ol m odu le u pda t es t h e t r a n sm ission oil t em -
per a t u r e ba sed on t or qu e con ver t er slip speed, ve-
h icle speed, gea r, a n d en gin e coola n t t em per a t u r e t o
det er m in e a n est im a t ed oil t em per a t u r e du r in g
veh icle oper a t ion . Veh icles u sin g ca lcu la t ed oil t em -
per a t u r e, a r e r ea son a bly a ccu r a t e, du r in g n or m a l
oper a t ion . H owever, if a t r a n sm ission is over filled, a
t r a n sm ission oil cooler becom es r est r ict ed, or if a
cu st om er dr ives a ggr essively in low gea r, t h e ca lcu -
la t ed oil t em per a t u r e will be in a ccu r a t e. Con se-
qu en t ly t h e sh ift sch edu le select ed m a y be in a ppr o-
pr ia t e for t h e cu r r en t con dit ion s.
3.3 DIAGNOSTIC TROUBLE CODES
Dia gn ost ic t r ou ble codes (DTC's) a r e codes st or ed
by t h e P CM (NGC) or TCM (E ATX) depen din g on
a pplica t ion a n d h elp dia gn ose Tr a n sm ission pr ob-
lem s. Th ey a r e viewed u sin g t h e DRBIII sca n t ool.
Alwa ys begin by per for m in g a visu a l in spect ion of
t h e wir in g, con n ect or s, cooler lin es a n d t h e t r a n s-
m ission . An y obviou s wir in g pr oblem s or lea ks
sh ou ld be r epa ir ed pr ior t o per for m in g a n y dia gn os-
t ic t est pr ocedu r es. Som e en gin e dr ivea bilit y pr ob-
lem s ca n be m isin t er pr et ed a s a t r a n sm ission pr ob-
lem . E n su r e t h a t t h e en gin e is r u n n in g pr oper ly
a n d n o en gin e DTC's a r e pr esen t t h a t cou ld ca u se a
t r a n sm ission com pla in t .
If t h er e is a bu s com m u n ica t ion pr oblem , t r ou ble
codes will n ot be a ccessible u n t il t h e bu s pr oblem is
fixed. Th e DRBIII
m essa ge.
E a ch dia gn ost ic t r ou ble code is dia gn osed by
followin g a specific t est in g sequ en ce. Th e dia gn ost ic
t est pr ocedu r es con t a in st ep-by-st ep in st r u ct ion s
for det er m in in g t h e ca u se of a t r a n sm ission dia g-
n ost ic t r ou ble code. P ossible sou r ces of t h e code a r e
ch ecked a n d elim in a t ed on e by on e. It is n ot n eces-
sa r y t o per for m a ll of t h e t est s in t h is book t o
dia gn ose a n in dividu a l code. Th ese t est s a r e ba sed
on t h e pr oblem bein g pr esen t a t t h e t im e t h a t t h e
t est is r u n .
All te s tin g s h o u ld be d o n e w ith a fu lly c h a rg e d
ba tte ry.
If t h e con t r ol m odu le r ecor ds a DTC t h a t will
a dver sely a ffect veh icle em ission s, it will r equ est
(via t h e com m u n ica t ion bu s) t h a t t h e P CM illu m i-
n a t e t h e Ma lfu n ct ion In dica t or La m p (MIL). Al-
t h ou gh t h ese DTC's will be st or ed im m edia t ely a s a
1 t r ip fa ilu r e, it m a y t a ke u p t o five m in u t es of
a ccu m u la t ed t r ou ble con fir m a t ion set t h e DTC a n d
illu m in a t e t h e MIL. Th r ee con secu t ive su ccessfu l
OBDII (E URO STAGE III OBD) t r ips or clea r in g
t h e DTC's wit h a dia gn ost ic t ool (DRBIII or equ iv-
a len t ) is r equ ir ed t o ext in gu ish t h e MIL. Wh en t h e
Tr a n sm ission Con t r ol syst em r equ est s t h a t t h e
P CM illu m in a t e t h e MIL, t h e P CM set s a DTC
P 0700 ($89) t o a ler t t h e t ech n icia n t h a t t h er e a r e
DTC's in t h e Tr a n sm ission Con t r ol Syst em . You
m u st a lso er a se t h e DTC P 0700 in t h e P CM, in
or der t o ext in gu ish t h e MIL.
2
will displa y a n a ppr opr ia t e