Dodge Sprinter 2006 Manual page 2164

GEN ERAL I N FORM AT I ON
3.2.5 TRANSMISSION OPERA TION AND
SHIFT SCHEDULING
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 t r a n sm ission oil
t em per a t u r e h a s a decisive effect on t h e sh ift qu a l-
it y of t h e t r a n sm ission . Th e sh ift sch edu le is m odi-
fied 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 a n d t o im pr ove
dr iver com for t by m odifyin g sh ift sch edu les.
Th e t r a n sm ission 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 NAG1 t r a n sm is-
sion . 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 Solen oid a ssem bly. If
t h e Tem per a t u r e Sen sor is ca u sin g a pr oblem , a
DTC will be set in t h e TCM.
Th e Tr a n sm ission Tem per a t u r e Sen sor is wir ed in
ser ies wit h t h e P a r k /Neu t r a l (P /N) swit ch . Th e P /N
swit ch is a lso loca t ed in t h e t r a n sm ission . Th e t r a n s-
m ission t em per a t u r e is on ly r ea d by t h e TCM wh en
t h e P /N swit ch closes wh ile in t h e R, D posit ion .
Wh en t h e sh ift er lever is in t h e pa r k or n eu t r a l
posit ion , t h e P /N swit ch open s a n d t h e t em per a t u r e
bein g displa yed is E n gin e t em per a t u r e.
Au to S tic k F e a tu re (If e qu ip p e d )
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 sidewa ys t o
t h e (+ / -) in posit ion D t o a dju st t h e sh ift r a n ge.
3.2.6 TRANSMISSION ADAPTIVES -
INITIALIZE AND STORE
In itia lize Ad a p tiv e - Th is TCM fu n ct ion sh ou ld be
u sed wh en a n ew t r a n sm ission h a s been pla ced in
t h e veh icle. Th is com m a n d will r eset t h e TCM
a da pt ive t o t h e fa ct or y set t in g.
S to re Ad a p tiv e - Th is com m a n d sh ou ld be u sed
a ft er t h e veh icle h a s been t est dr iven by t h e t ech -
n icia n t o st or e a n y lea r n ed a da pt ive ch a n ges t h a t
occu r r ed du r in g t h e t est dr ive. Du r in g n or m a l op-
er a t ion a da pt ive a r e u pda t ed ever y 10 m in u t es.
Usin g t h is com m a n d t h e la t est a da pt ive will be
wr it t en t o t h e TCM im m edia t ely.
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 Tr a n sm ission Con t r ol Modu le (TCM) a n d t h e
Sh ift Lever Assem bly Modu le (SLA) t o h elp dia g-
n ose Tr a n sm ission a n d Sh ift er pr oblem 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 t h a t n o E CM 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 com m u n ica t ion K-ABS,Sh ift er or
K-TCM cir cu it pr oblem , t r ou ble codes will n ot be
a ccessible u n t il t h e pr oblem is fixed. Th e DRBIII
will displa y a n a ppr opr ia t e m essa ge. Th e followin g
is a possible list of ca u ses for a bu s pr oblem :
– open or sh or t t o gr ou n d/ba t t er y in K lin e
cir cu it .
– in t er n a l fa ilu r e of a n y m odu le or com pon en t
con n ect ed t o t h e K lin e cir cu it
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 .
If t h e TCM r ecor ds a DTC t h a t will a dver sely
a ffect t h e veh icles t r a n sm ission , 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 E CM illu m in a t e
t h e Ma lfu n ct ion In dica t or La m p (MIL). All t r a n s-
m ission DTC's will be st or ed in t h e TCM.
3.3.1 ACTIVE (HARD) CODE
An y Dia gn ost ic Tr ou ble Code (DTC) t h a t is set
wh en ever t h e syst em or com pon en t is m on it or ed is
a n Act ive code. Th is m ea n s t h a t t h e pr oblem is
t h er e ever y t im e t h e TCM ch ecks t h a t syst em or
com pon en t . Som e codes will set im m edia t ely a t
st a r t u p a n d ot h er s will r equ ir e a r oa d t est u n der
specific con dit ion s t o set t h e DTC. It m u st be
det er m in ed if a code is Act ive (r epea t a ble) or St or ed
(In t er m it t en t ) befor e a t t em pt in g dia gn osis.
3.3.2 STORED (INTERMITTENT) CODE
A dia gn ost ic t r ou ble code t h a t is n ot t h er e ever y
t im e t h e TCM ch ecks t h e cir cu it or fu n ct ion is a
St or ed (In t er m it t en t ) code. P r oblem s t h a t com e a n d
go like t h is a r e t h e m ost difficu lt t o dia gn ose, t h ey
m u st be looked for u n der t h e specific con dit ion s
t h a t ca u se t h em . If t h e DTC is r eset (a ft er a n
ign it ion cycle) t h e DTC will be set t o St or ed (In t er-
m it t en t ) st a t u s. A DTC st a t u s ca n be Act ive or
St or ed (In t er m it t en t ). Act ive is wh en t h e DTC is
pr esen t in t h e con t r oller a n d t h e t r a n sm ission is in
t h e pa r t icu la r m ode of oper a t ion for t h a t DTC.
St or ed m ea n s t h a t t h e DTC occu r r ed a t som e poin t ,
bu t is n ot cu r r en t ly pr esen t , or t h e con dit ion s h a ve
n ot been r igh t t o ch eck for t h e pr esen ce of t h e
pr oblem , wh en a DTC is cla ssified a s St or ed (In t er-
m it t en t ), n o TCM r ea ct ion is r equ ir ed.
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