Operation; Esp Indicator Description - Dodge Sprinter 2006 Manual

8J - 16 INSTRUMENT CLUSTER
on t h e clu st er over la y, dir ect ly below t h e h igh en d of
t h e sca le. J u st t o t h e r igh t of t h e icon , t h e n om en cla -
t u r e "°C" or "°F " con fir m s t h e u n it of m ea su r e for t h e
ga u ge r ea din gs.
Th e en gin e coola n t t em per a t u r e ga u ge gr a ph ics a r e
wh it e a ga in st a bla ck field, except for a sin gle r ed
gr a du a t ion a t t h e fa r left (h igh ) en d of t h e ga u ge
sca le, m a kin g t h em clea r ly visible wit h in t h e in st r u -
m en t clu st er in da yligh t . Wh en illu m in a t ed fr om
beh in d by t h e pa n el la m ps dim m er con t r olled clu st er
illu m in a t ion ligh t in g wit h t h e ext er ior la m ps t u r n ed
On , t h e wh it e gr a ph ics a ppea r a m ber a n d t h e r ed
gr a ph ics a ppea r r ed. Th e or a n ge ga u ge n eedle is
in t er n a lly illu m in a t ed. Ga u ge illu m in a t ion is pr o-
vided by Ligh t E m it t in g Diode (LE D) u n it s solder ed
on t o t h e in st r u m en t clu st er elect r on ic cir cu it boa r d.
Th e en gin e coola n t t em per a t u r e ga u ge is ser viced a s
a u n it wit h t h e in st r u m en t clu st er.
OPERA TION
Th e en gin e coola n t t em per a t u r e ga u ge gives a n
in dica t ion t o t h e veh icle oper a t or of t h e en gin e cool-
a n t t em per a t u r e. Th is ga u ge is con t r olled by t h e
in st r u m en t clu st er cir cu it boa r d ba sed u pon clu st er
pr ogr a m m in g a n d elect r on ic m essa ges r eceived by
t h e clu st er fr om t h e E n gin e Con t r ol Modu le (E CM)
over t h e Con t r oller Ar ea Net wor k (CAN) da t a bu s.
Th e en gin e coola n t t em per a t u r e ga u ge is a n a ir cor e
m a gn et ic u n it t h a t r eceives ba t t er y cu r r en t on t h e
in st r u m en t clu st er elect r on ic cir cu it boa r d wh en t h e
in st r u m en t clu st er det ect s t h a t t h e ign it ion swit ch is
in t h e On posit ion . Th e clu st er is pr ogr a m m ed t o
m ove t h e ga u ge n eedle ba ck t o t h e low en d of t h e
sca le a ft er t h e ign it ion swit ch is t u r n ed t o t h e Off
posit ion . Th e in st r u m en t clu st er cir cu it r y con t r ols
t h e ga u ge n eedle posit ion a n d pr ovides t h e followin g
fea t u r es:
• En g in e Te m p e ra tu re N o rm a l Me s s a g e - E a ch
t im e t h e clu st er r eceives a m essa ge fr om t h e E CM
in dica t in g t h e en gin e coola n t t em per a t u r e is wit h in
t h e n or m a l oper a t in g r a n ge [u p t o a bou t 120° C (250°
F ), t h e ga u ge n eedle is m oved t o t h e a ct u a l r ela t ive
t em per a t u r e posit ion on t h e ga u ge sca le.
• En g in e Te m p e ra tu re Hig h Me s s a g e - E a ch
t im e t h e clu st er r eceives a m essa ge fr om t h e E CM
in dica t in g t h e en gin e coola n t t em per a t u r e is h igh
[a bove a bou t 120° C (250° F ) t h e ga u ge n eedle is
m oved in t o t h e r ed wa r n in g zon e on t h e ga u ge sca le.
Th e E CM con t in u a lly m on it or s t h e en gin e coola n t
t em per a t u r e sen sor t o det er m in e t h e en gin e oper a t -
in g t em per a t u r e. Th e E CM t h en sen ds t h e pr oper
en gin e coola n t t em per a t u r e m essa ges t o t h e in st r u -
m en t clu st er. If t h e in st r u m en t clu st er m oves t h e
en gin e coola n t t em per a t u r e ga u ge n eedle t o r ed a r ea
of t h e ga u ge sca le, it m a y in dica t e t h a t t h e en gin e or
t h e en gin e coolin g syst em r equ ir e ser vice. F or pr oper
dia gn osis of t h e en gin e coola n t t em per a t u r e sen sor,
t h e E CM, t h e CAN da t a bu s, t h e elect r on ic m essa ge
in pu t s t o t h e in st r u m en t clu st er, or t h e in st r u m en t
clu st er cir cu it r y t h a t con t r ols t h e en gin e coola n t t em -
per a t u r e ga u ge, a dia gn ost ic sca n t ool is r equ ir ed.
Refer t o t h e a ppr opr ia t e dia gn ost ic in for m a t ion .
ESP I N DI CAT OR
DESCRIPTION
An E lect r on ic St a bilit y P r ogr a m (E SP ) in dica t or is
st a n da r d equ ipm en t on a ll in st r u m en t clu st er s, bu t is
on ly fu n ct ion a l on
opt ion a l E SP syst em . Th e E SP in dica t or is loca t ed
n ea r t h e lower edge of t h e in st r u m en t clu st er, t o t h e
r igh t of t h e m u lt i-fu n ct ion in dica t or displa y. Th e E SP
in dica t or con sist s of a st en cil-like cu t ou t of t h e t ext
"E SP " in t h e opa qu e la yer of t h e in st r u m en t clu st er
over la y. Th e da r k ou t er la yer of t h e over la y pr even t s
t h e in dica t or fr om bein g clea r ly visible wh en it is n ot
illu m in a t ed. An a m ber Ligh t E m it t in g Diode (LE D)
beh in d t h e cu t ou t in t h e opa qu e la yer of t h e over la y
ca u ses t h e t ext t o a ppea r in a m ber t h r ou gh t h e
t r a n slu cen t ou t er la yer of t h e over la y wh en t h e in di-
ca t or is illu m in a t ed fr om beh in d by t h e LE D, wh ich
is solder ed on t o t h e in st r u m en t clu st er elect r on ic cir-
cu it boa r d. Th e E SP in dica t or is ser viced a s a u n it
wit h t h e in st r u m en t clu st er.
OPERA TION
Th e E SP in dica t or gives a n in dica t ion t o t h e veh i-
cle oper a t or wh en t h e E SP syst em is fa u lt y or in op-
er a t ive. Th is in dica t or is con t r olled by a t r a n sist or on
t h e in st r u m en t clu st er cir cu it boa r d ba sed u pon clu s-
t er pr ogr a m m in g a n d elect r on ic m essa ges r eceived by
t h e clu st er fr om t h e Con t r oller An t ilock Br a ke (CAB)
over t h e Con t r oller Ar ea Net wor k (CAN) da t a bu s.
Th e E SP in dica t or Ligh t E m it t in g Diode (LE D) is
com plet ely con t r olled by t h e in st r u m en t clu st er logic
cir cu it , a n d t h a t logic will on ly a llow t h is in dica t or t o
oper a t e wh en t h e in st r u m en t clu st er det ect s t h a t t h e
ign it ion swit ch is in t h e On posit ion . Th er efor e, t h e
LE D will a lwa ys be off wh en t h e ign it ion swit ch is in
a n y posit ion except On . Th e LE D on ly illu m in a t es
wh en it is pr ovided a pa t h t o gr ou n d by t h e in st r u -
m en t clu st er t r a n sist or. Th e in st r u m en t clu st er will
t u r n on t h e E SP in dica t or for t h e followin g r ea son s:
• B u lb Te s t - E a ch t im e t h e ign it ion swit ch is
t u r n ed t o t h e On posit ion t h e E SP in dica t or is illu -
m in a t ed by t h e clu st er for a bou t t wo secon ds a s a
bu lb t est .
• ES P La m p -On Me s s a g e - E a ch t im e t h e clu s-
t er r eceives a la m p-on m essa ge fr om t h e CAB, t h e
E SP in dica t or will be illu m in a t ed. Th e in dica t or
r em a in s illu m in a t ed u n t il t h e clu st er r eceives a
la m p-off m essa ge fr om t h e CAB, or u n t il t h e ign it ion
swit ch is t u r n ed t o t h e Off posit ion , wh ich ever occu r s
fir st .
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