Operation; Removal - Dodge Sprinter 2006 Manual

8R - 32 WIPERS/WASHERS
OPERA TION
Th e wiper m ot or oper a t ion is con t r olled by t h e
veh icle oper a t or t h r ou gh ba t t er y cu r r en t in pu t s
r eceived by t h e wiper m ot or fr om t h e wiper 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 t op of
t h e st eer in g colu m n , a n d fr om t h e wiper r ela y on t h e
fu se block u n der n ea t h t h e st eer in g colu m n . Th e
wiper m ot or speed is con t r olled by cu r r en t flow t o
eit h er t h e low speed or t h e h igh speed set of br u sh es.
Th e a u t om a t ic r eset t in g cir cu it br ea ker pr ot ect s t h e
m ot or fr om over loa ds.
Th e pa r k swit ch con sist s of a con t a ct disc a n d
t h r ee con t a ct s. Th e con t a ct disc is m ech a n ica lly fa s-
t en ed t o a n d r ot a t ed wit h a gea r in t h e wiper m ot or
t r a n sm ission . Two in pu t con t a ct s a lt er n a t ely close
t h e wiper pa r k swit ch sen se ou t pu t cir cu it con t a ct t o
gr ou n d or t o ba t t er y cu r r en t , depen din g u pon t h e
posit ion of t h e wiper s on t h e gla ss. Th is fea t u r e
a llows t h e in t er m it t en t wipe logic cir cu it t o m on it or
t h e posit ion a n d t h e cycles of t h e wiper m ot or t o pr o-
vide t h e in t er m it t en t wipe a n d wipe-a ft er-wa sh
m odes, a s well a s a llowin g t h e m ot or t o com plet e it s
cu r r en t wipe cycle a ft er t h e wiper syst em h a s been
t u r n ed Off a n d pa r k t h e wiper bla des in t h e lowest
por t ion of t h e wipe pa t t er n .
Th e wiper m ot or m a y 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.

REMOVAL

(1) Discon n ect a n d isola t e t h e ba t t er y n ega t ive
ca ble.
(2) Discon n ect t h e veh icle wir e h a r n ess con n ect or
for t h e wiper m ot or fr om t h e m ot or pigt a il wir e con -
n ect or (F ig. 32).
VA