Operation; Seatbelt Indicator; Description - Dodge Sprinter 2006 Manual

8J - 24 INSTRUMENT CLUSTER
OPERA TION
Th e pa r k br a ke 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 pa r kin g br a ke is a pplied.
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 a h a r d
wir ed in pu t fr om t h e pa r k br a ke swit ch . Th e pa r k
br a ke 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 pa r k br a ke in dica t or for t h e followin g
r ea son s:
• P a rk B ra k e S w itc h In p u t - E a ch t im e t h e
clu st er det ect s gr ou n d on t h e pa r k br a ke in dica t or
sign a l cir cu it (pa r k br a ke swit ch closed = pa r k br a ke
a pplied or n ot fu lly r elea sed) wh ile t h e ign it ion
swit ch is in t h e On posit ion , t h e br a ke in dica t or is
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 br a ke sign a l in dica t or in pu t t o t h e clu st er is a n
open cir cu it (pa r k br a ke swit ch open = pa r k br a ke
fu lly r elea sed), 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 pa r k br a ke swit ch on t h e pa r k br a ke peda l
m ech a n ism pr ovides a h a r d wir ed gr ou n d in pu t t o
t h e in st r u m en t clu st er cir cu it r y t h r ou gh t h e pa r k
br a ke in dica t or sign a l cir cu it wh en ever t h e pa r k
br a ke is a pplied or n ot fu lly r elea sed. Th e t wo
swit ch es a r e con n ect ed in ser ies bet ween gr ou n d a n d
t h e in st r u m en t clu st er. Th e pa r k br a ke swit ch a n d
t h e in pu t cir cu it 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 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 pa r k br a ke 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 .
SEAT BELT I N DI CAT OR

DESCRIPTION

A sea t belt 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. Th e sea t belt 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
sea t belt 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
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. A r ed
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 r ed 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 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 sea t belt 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
veh icle oper a t or of t h e st a t u s of t h e dr iver side fr on t
sea t belt . 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 a h a r d wir ed in pu t r eceived
fr om t h e sea t belt swit ch on t h e dr iver side fr on t sea t
belt . Th e sea t belt 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 sea t belt in dica t or for t h e fol-
lowin g r ea son s:
clu st er det ect s t h a t t h e ign it ion swit ch h a s been
t u r n ed t o t h e On posit ion t h e sea t belt in dica t or will
be illu m in a t ed a s a r em in der for a bou t six secon ds,
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 posi-
t ion , wh ich ever occu r s fir st . Th is r em in der fu n ct ion
will occu r r ega r dless of t h e st a t u s of t h e in pu t
r eceived by t h e clu st er fr om t h e dr iver side fr on t sea t
belt swit ch .
F ollowin g t h e sea t belt r em in der fu n ct ion , ea ch t im e
t h e clu st er det ect s gr ou n d on t h e sea t belt in dica t or
dr iver cir cu it (sea t belt swit ch closed = sea t belt
u n bu ckled) wit h t h e ign it ion swit ch in t h e On posi-
t ion , t h e sea t belt in dica t or will be illu m in a t ed. Th e
sea t belt in dica t or r em a in s illu m in a t ed u n t il t h e sea t
belt swit ch in pu t t o t h e clu st er is a n open cir cu it
(sea t belt swit ch open = sea t belt bu ckled), 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 .
sea t belt r em in der fu n ct ion , ea ch t im e t h e clu st er
det ect s a m a lfu n ct ion in t h e a ir ba g (SRS) in dica t or or
t h e a ir ba g in dica t or cir cu it , t h e clu st er will fla sh t h e
sea t belt in dica t or on a n d off. Th e clu st er will con -
t in u e t o fla sh t h e sea t belt in dica t or u n t il t h e a ir ba g
for "Sea t Belt "
in dica t or cir cu it fa u lt is r esolved, 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 .
st a t u s of t h e dr iver side fr on t sea t belt swit ch a n d
t h e a ir ba g in dica t or cir cu it t o det er m in e t h e pr oper
sea t belt in dica t or r espon se. Th e sea t belt swit ch is
Th e sea t belt in dica t or gives a n in dica t ion t o t h e
• S e a tbe lt Re m in d e r F u n c tio n - E a ch t im e t h e
• D riv e r S id e F ro n t S e a t B e lt S w itc h In p u t -
• Airba g In d ic a to r Ma lfu n c tio n - F ollowin g t h e
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
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