Dodge Sprinter 2006 Manual page 1043

VA
is closed wit h t h e wiper syst em t u r n ed Off, t h e in t er-
m it t en t wipe logic cir cu it r y oper a t es t h e wiper m ot or
in t h e sa m e m a n n er a s it does t o pr ovide t h e in t er-
m it t en t wipe m ode oper a t ion . Aft er t h e st a t e of t h e
wa sh er swit ch ch a n ges t o open , t h e in t er m it t en t wipe
logic cir cu it r y m on it or s t h e wiper m ot or t h r ou gh t h e
wiper on -off r ela y ou t pu t cir cu it , wh ich a llows it t o
m on it or t h e n u m ber of wiper bla de sweeps. Aft er t h e
a ppr opr ia t e n u m ber of wiper sweeps t h e in t er m it t en t
wipe logic cir cu it r y oper a t es t h e wiper m ot or t o
r et u r n t h e wiper s t o t h eir pa r k posit ion , t h en de-en -
er gizes t h e wiper r ela y.
AUTOMA TIC WIPE SYSTEM
Wh en t h e ign it ion swit ch is in t h e On posit ion , ba t -
t er y cu r r en t fr om a fu se in t h e fu se block u n der n ea t h
t h e st eer in g colu m n is pr ovided t h r ou gh a fu sed ign i-
t ion swit ch ou t pu t (r u n -st a r t ) cir cu it t o t h e r a in sen -
sor con t r ol m odu le u n der t h e in st r u m en t pa n el, t o
t h e r a in sen sor wit h in t h e ba se of t h e in side r ea r
view m ir r or on t h e win dsh ield, a n d t o t h e m u lt i-fu n c-
t ion swit ch . Th e in t er n a l cir cu it r y of t h e m u lt i-fu n c-
t ion swit ch pr ovides dir ect
cu r r en t ou t pu t s t o t h e r a in sen sor con t r ol m odu le t o
in dica t e t h e select ed wiper oper a t in g m ode. Th e con -
t r ol m odu le logic m on it or s t h e in pu t s fr om t h e m u lt i-
fu n ct ion swit ch a s well a s fr om t h e r a in sen sor a n d
t h e wiper m ot or pa r k swit ch in or der t o pr ovide t h e
ou t pu t s n ecessa r y t o oper a t e t h e wiper m ot or a n d t h e
wa sh er pu m p m ot or a s r equ est ed.
Wh en t h e a u t om a t ic wipe posit ion is select ed wit h
t h e m u lt i-fu n ct ion swit ch con t r ol st a lk, t h e r a in sen -
sor con t r ol m odu le logic cir cu it r y r espon ds by pr ovid-
in g a n a ckn owledgm en t sweep of t h e wiper s. Th e
r a in sen sor ca lcu la t es t h e cor r ect wiper speed a n d
wiper sweep in t er va ls r equ ir ed t o r em ove t h e m ois-
t u r e det ect ed on t h e win dsh ield gla ss a n d pr ovides
t h is in pu t t o t h e r a in sen sor con t r ol m odu le. Th e con -
t r ol m odu le t h en en er gizes a n d de-en er gizes t h e
wiper m ot or a u t om a t ica lly. Th e a u t om a t ic wipe logic
will a lso pr ovide a wipe-a ft er-wa sh fea t u r e t o clea r
wa sh er flu id t h a t is dir ect ed on t o t h e win dsh ield
wh en t h e wa sh er syst em is u t ilized.
Wh en t h e Off posit ion of t h e m u lt i-fu n ct ion swit ch
wiper con t r ol st a lk is select ed, on e of t wo even t s is
possible. Th e even t t h a t will occu r depen ds u pon t h e
posit ion of t h e wiper bla des on t h e win dsh ield a t t h e
m om en t t h a t t h e Off posit ion is select ed. If t h e wiper
bla des a r e in t h e down posit ion on t h e win dsh ield
wh en t h e Off posit ion is select ed, t h e pa r k swit ch
t h a t is in t egr a l t o t h e wiper m ot or is closed t o
gr ou n d, a n d t h e r a in sen sor con t r ol m odu le logic cir-
cu it de-en er gizes t h e wiper m ot or. If t h e wiper bla des
a r e n ot in t h e down posit ion a t t h e m om en t t h e Off
posit ion is select ed, t h e pa r k swit ch is a n open cir-
cu it . Th e con t r ol m odu le logic cir cu it dir ect s ba t t er y
cu r r en t t o t h e low speed br u sh of t h e wiper m ot or,
wh ich ca u ses t h e wiper m ot or t o con t in u e r u n n in g
h a r d wir ed ba t t er y
u n t il t h e wiper bla des a r e in t h e down posit ion on
t h e win dsh ield a n d t h e pa r k swit ch is a ga in closed t o
gr ou n d.
Wh en t h e Wa sh posit ion of t h e con t r ol kn ob on t h e
r igh t con t r ol st a lk of t h e m u lt i-fu n ct ion swit ch is
select ed wit h t h e wiper syst em t u r n ed Off, t h e r a in
sen sor con t r ol m odu le logic cir cu it r y oper a t es t h e
wiper m ot or in t h e sa m e m a n n er a s it does t o pr ovide
t h e a u t om a t ic wipe m ode oper a t ion . Aft er t h e st a t e of
t h e wa sh er swit ch ch a n ges t o open t h e con t r ol m od-
u le m on it or s t h e wiper m ot or t h r ou gh t h e wiper pa r k
swit ch sen se cir cu it , wh ich a llows it t o m on it or t h e
n u m ber of wiper bla de sweeps. Aft er t h e a ppr opr ia t e
n u m ber of wiper sweeps t h e con t r ol m odu le oper a t es
t h e wiper m ot or t o r et u r n t h e wiper s t o t h eir pa r k
posit ion , t h en de-en er gizes t h e wiper m ot or.
OPERA TING MODES
Th e com pon en t s of t h e wiper a n d wa sh er syst em
a r e design ed t o pr ovide t h e followin g oper a t in g
m odes:
• Au to m a tic
Wip e
equ ipped, t h e in t er n a l cir cu it r y of t h e m u lt i-fu n ct ion
swit ch , t h e r a in sen sor con t r ol m odu le a n d t h e r a in
sen sor wor k in con cer t t o pr ovide wiper syst em oper-
a t ion a u t om a t ica lly wh en ever m oist u r e is det ect ed on
t h e win dsh ield gla ss.
• Co n tin u o u s Wip e Mo d e - Th e t wo-speed wiper
m ot or, t h e in t er n a l cir cu it r y of t h e m u lt i-fu n ct ion
swit ch , a n d t h e wiper syst em logic cir cu it s wor k in
con cer t t o pr ovide t wo con t in u ou s wipe cycles, low
speed or h igh speed.
• In te rm itte n t Wip e Mo d e - On veh icles so
equ ipped, t h e in t er n a l cir cu it r y of t h e m u lt i-fu n ct ion
swit ch , t h e in t er m it t en t wipe cir cu it r y of t h e wiper,
t u r n sign a ls a n d en gin e st a r t con t r ol m odu le in t h e
fu se block, a n d t h e wiper r ela y wor k in con cer t t o
pr ovide a n in t er m it t en t wipe m ode wit h a sin gle,
fixed dela y in t er va l.
• P u ls e Wip e Mo d e - Th e in t er n a l cir cu it r y of
t h e m u lt i-fu n ct ion swit ch a n d t h e wiper syst em logic
cir cu it s wor k in con cer t t o pr ovide a pu lse wipe m ode
t h a t will a llow t h e wiper m ot or t o be oper a t ed for a
sin gle, com plet e wipe cycle.
• Wa s h e r Mo d e - Wh en t h e wa sh er syst em is
a ct iva t ed wit h t h e m u lt i-fu n ct ion swit ch wh ile t h e
wiper syst em is oper a t in g, wa sh er flu id will be dis-
pen sed on t o t h e win dsh ield gla ss t h r ou gh t h e wa sh er
n ozzles for a s lon g a s t h e wa sh er pu m p/m ot or is
en er gized.
• Wip e -Afte r-Wa s h Mo d e - Th e wiper syst em
logic cir cu it r y pr ovides a wipe-a ft er-wa sh fea t u r e. If
t h e wiper s a r e t u r n ed Off, t h is fea t u r e will oper a t e
t h e wa sh er pu m p/m ot or a n d t h e wiper s for a s lon g a s
t h e wa sh er syst em is a ct iva t ed, t h en pr ovide sever a l
a ddit ion a l wipe cycles a ft er t h e wa sh er syst em is
dea ct iva t ed befor e pa r kin g t h e wiper bla des n ea r t h e
ba se of t h e win dsh ield.
WIPERS/WASHERS 8R - 5
Mo d e - On veh icles so