Operation; Adr Indicator; Description - Dodge Sprinter 2006 Manual

8J - 10 INSTRUMENT CLUSTER
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 s-
lu 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 sol-
der 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 ABS 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 ABS 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 ABS or t h e elect r on ic br a ke
for ce dist r ibu t ion (E BV) syst em s a r e fa u lt y or in oper-
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 ABS 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 ABS 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 ABS 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 .
• AB S 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
ABS 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 .
Th e CAB con t in u a lly m on it or s t h e ABS a n d E BV
cir cu it s a n d sen sor s t o decide wh et h er t h e syst em s
a r e in good oper a t in g con dit ion . Th e CAB t h en sen ds
t h e pr oper la m p-on or la m p-off m essa ges t o t h e
in st r u m en t clu st er. If t h e CAB sen ds a la m p-on m es-
sa ge a ft er t h e bu lb t est , it in dica t es t h a t t h e CAB
h a s det ect ed a syst em m a lfu n ct ion a n d/or t h a t t h e
ABS or E BV syst em s h a ve becom e in oper a t ive. Th e
CAB will st or e a Dia gn ost ic Tr ou ble Code (DTC) for
a n y m a lfu n ct ion it det ect s. F or pr oper dia gn osis of
t h e ABS a n d E BV syst em s, t h e CAB, 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 ABS in dica t or, 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 .
ADR I N DI CAT OR

DESCRIPTION

A con st a n t en gin e speed (ADR) 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 ADR swit ch . Th e ADR 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
ADR in dica t or con sist s of t h e t ext "ADR" 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 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
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 s-
lu 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 sol-
der 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 ADR 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 con st a n t en gin e speed (ADR) in dica t or gives
a n in dica t ion t o t h e veh icle oper a t or con cer n in g t h e
oper a t in g st a t u s of t h e con st a n t en gin e speed (ADR)
fea t u r e. Th e ADR in dica t or is con t r olled by a t r a n sis-
t 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 Mod-
u le (E CM) over t h e Con t r oller Ar ea Net wor k (CAN)
da t a bu s. Th e ADR 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 t r a ct ion con t r ol in dica t or for
t h e followin g r ea son s:
• Co n s ta n t En g in e S p e e d (AD R) In d ic a to r
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 n ADR in dica t or la m p-on m essa ge fr om t h e E CM,
t h e in dica t or will be illu m in a t ed. Th e in dica t or is
illu m in a t ed wh en t h e ADR fea t u r e h a s been a ct i-
va t ed wit h t h e ADR swit ch , a n d is t u r n ed off wh en
t h e ADR fea t u r e is dea ct iva t ed wit h t h e ADR swit ch .
Th e ADR in dica t or will be ext in gu ish ed if t h e ADR
fea t u r e is t u r n ed off beca u se t h e pa r k br a ke h a s been
r elea sed or t h e veh icle is in m ot ion . Th e ADR in dica -
t or will a lso be ext in gu ish ed if t h e ser vice br a ke
peda l is depr essed, bu t t h e ADR fea t u r e will a u t o-
m a t ica lly be r est or ed a n d t h e in dica t or illu m in a t ed
wh en t h e br a ke peda l is r elea sed. Th e in dica t or
veh icles equ ipped wit h
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