Wait-To-Start Indicator Description; Operation - Dodge Sprinter 2006 Manual

8J - 28 INSTRUMENT CLUSTER
t h e left a n d r igh t t u r n sign a l cir cu it s. E a ch t u r n sig-
n a l 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 a llow t h is in dica t or t o
oper a t e wh en ever t h e in st r u m en t clu st er r eceives a
ba t t er y cu r r en t in pu t on t h e fu sed B(+) cir cu it .
Th er efor e, ea ch LE D ca n be illu m in a t ed r ega r dless of
t h e ign it ion swit ch posit ion . Th e LE D on ly illu m i-
n 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 t u r n sign a l in dica t or s for t h e follow-
in g r ea son s:
• Tu rn S ig n a l In p u t - E a ch t im e t h e clu st er
det ect s a t u r n sign a l in pu t fr om t h e t u r n sign a l r ela y
t h r ou gh t h e closed t u r n sign a l swit ch cir cu it r y of t h e
m u lt i-fu n ct ion swit ch on t h e h a r d wir ed left or r igh t
t u r n sign a l cir cu it , t h e r equ est ed t u r n sign a l la m ps
a n d t u r n sign a l in dica t or will be fla sh ed on a n d off,
a n d a con t a ct less r ela y solder ed on t o t h e clu st er elec-
t r on ic cir cu it boa r d will pr odu ce a clickin g sou n d t o
em u la t e a con ven t ion a l t u r n sign a l fla sh er. Th e t u r n
sign a ls a n d t h e t u r n sign a l in dica t or s con t in u e t o
fla sh on a n d off u n t il t h e t u r n sign a l swit ch cir cu it r y
of t h e m u lt i-fu n ct ion swit ch is open ed, 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 .
• Ha za rd Wa rn in g In p u t - E a ch t im e t h e clu st er
det ect s a h a za r d wa r n in g in pu t fr om t h e t u r n sign a l
r ela y t h r ou gh t h e closed h a za r d wa r n in g swit ch cir-
cu it r y of t h e m u lt i-fu n ct ion swit ch on t h e h a r d wir ed
left a n d r igh t t u r n sign a l cir cu it s, a ll of t h e t u r n sig-
n a l la m ps a n d bot h t u r n sign a l in dica t or s will be
fla sh ed on a n d off, a n d a con t a ct less r ela y solder ed
on t o t h e clu st er elect r on ic cir cu it boa r d will pr odu ce
a clickin g sou n d t o em u la t e a con ven t ion a l h a za r d
wa r n in g fla sh er. Th e t u r n sign a ls a n d t h e t u r n sign a l
in dica t or s con t in u e t o fla sh on a n d off u n t il t h e h a z-
a r d wa r n in g swit ch cir cu it r y of t h e m u lt i-fu n ct ion
swit ch is open ed.
An elect r on ic wiper s, t u r n sign a ls a n d en gin e st a r t
con t r ol m odu le loca t ed wit h in t h e fu se block ben ea t h
t h e st eer in g colu m n m on it or s t h e t u r n sign a l cir cu it s
a n d con t r ols t h e fla sh r a t e of t h e t u r n sign a l r ela y.
Th e in st r u m en t clu st er con t in u a lly m on it or s t h e
r igh t a n d left t u r n sign a l cir cu it s t o det er m in e t h e
pr oper t u r n sign a l a n d h a za r d wa r n in g in dica t or
oper a t ion , t h en fla sh es t h e pr oper t u r n sign a l in dica -
t or s a n d t h e con t a ct less r ela y on a n d off a ccor din gly.
Th e m u lt i-fu n ct ion swit ch , t h e t u r n sign a l r ela y a n d
t h e left a n d r igh t t u r n sign a l cir cu it s t o t h e in st r u -
m en t clu st er ca n be dia gn osed u sin g con ven t ion a l
dia gn ost ic t ools a n d m et h ods. F or pr oper dia gn osis of
t h e wiper s, t u r n sign a ls a n d en gin e st a r t con t r ol
m odu le wit h in t h e fu se block or t h e in st r u m en t clu s-
t er cir cu it r y t h a t con t r ols t h e t u r n sign a l in dica t or s
a n d t h e con t a ct less r ela y, 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 .
WAI T - T O - START I N DI CAT OR
DESCRIPTION
A wa it -t o-st a r t in dica t or is st a n da r d equ ipm en t in
a ll in st r u m en t clu st er s. Th e wa it -t o-st a r t 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 wa it -t o-st a r t in dica t or con sist s of t h e In t er n a -
t ion a l Con t r ol a n d Displa y Sym bol icon for "Diesel
P r eh ea t " im pr in t ed wit h in a r ect a n gu la r cu t ou t 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 di-
ca t or fr om bein g clea r ly visible wh en it is n ot illu m i-
n 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 icon t o a ppea r silh ou et t ed a ga in st a n a m ber field
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 dica 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 wa it -t o-st a r t 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 wa it -t o-st a r t in dica t or gives a n in dica t ion t o
t h e veh icle oper a t or wh en t h e diesel en gin e glow
plu gs a r e en er gized in t h eir pr e-h ea t oper a t in g m ode.
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 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 wa it -t o-st a r t 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 i-
t 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 wa it -t o-st a r t 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 wa it -t o-st a r t in dica t or
is illu m in a t ed for a bou t t wo secon ds a s a bu lb t est .
• Wa it-To -S ta rt La m p -On Me s s a g e - E a ch t im e
t h e clu st er r eceives a wa it -t o-st a r t la m p-on m essa ge
fr om t h e E CM in dica t in g t h a t t h e diesel en gin e glow
plu gs a r e en er gized in t h eir pr e-h ea t oper a t in g m ode,
t h e wa it -t o-st a r t 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
r eceives a wa it -t o-st a r t la m p-off m essa ge in dica t in g
t h a t t h e pr e-h ea t m ode of t h e glow plu gs h a s been
com plet ed, u n t il t h e E CM det ect s t h a t t h e en gin e is
r u n n in g, 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 .
VA
u n t il t h e clu st er