Dodge Sprinter 2006 Manual page 891

VA
(6) Rot a t e a n d h old ign it ion swit ch in St a r t posi-
t ion . Not e cr a n kin g volt a ge a n d cu r r en t (a m per a ge)
dr a w r ea din gs sh own on volt -a m per e t est er.
(a ) If volt a ge r ea ds below 9.6 volt s, r efer t o
S ta rte r Mo to r in Dia gn osis a n d Test in g. If st a r t er
m ot or is OK, r efer t o En g in e D ia g n o s is in 9,
E n gin e for fu r t h er t est in g of en gin e. If st a r t er
m ot or is n ot OK, r epla ce fa u lt y st a r t er m ot or.
(b) If volt a ge r ea ds a bove 9.6 volt s a n d cu r r en t
(a m per a ge) dr a w r ea ds below specifica t ion s, r efer
t o F e e d Circ u it Te s t in t h is sect ion .
(c) If volt a ge r ea ds 12.5 volt s or gr ea t er a n d
st a r t er m ot or does n ot t u r n , r efer t o Co n tro l Cir-
c u it Te s tin g in t h is sect ion .
(d) If volt a ge r ea ds 12.5 volt s or gr ea t er a n d
st a r t er m ot or t u r n s ver y slowly, r efer t o F e e d Cir-
c u it Te s t in t h is sect ion .
NOTE: A cold engine will increase starter current
(amperage) draw reading, and reduce battery volt-
age reading.
FEED CIRCUIT TEST
Th e st a r t er feed cir cu it t est (volt a ge dr op m et h od)
will det er m in e if t h er e is excessive r esist a n ce in
h igh -a m per a ge feed cir cu it . F or com plet e st a r t er wir-
in g cir cu it dia gr a m s, r efer 8, Wir in g Dia gr a m s.
Wh en per for m in g t h ese t est s, it is im por t a n t t o
r em em ber t h a t volt a ge dr op is givin g a n in dica t ion of
r esist a n ce bet ween t wo poin t s a t wh ich volt m et er
pr obes a r e a t t a ch ed.
Ex a m p le : Wh en t est in g r esist a n ce of posit ive ba t -
t er y ca ble, t ou ch volt m et er lea ds t o posit ive ba t t er y
ca ble cla m p a n d ca ble con n ect or a t st a r t er solen oid.
If you pr obe posit ive ba t t er y t er m in a l post a n d ca ble
con n ect or a t st a r t er solen oid, you a r e r ea din g com -
bin ed volt a ge dr op in posit ive ba t t er y ca ble cla m p-t o-
t er m in a l post con n ect ion a n d posit ive ba t t er y ca ble.
Th e followin g oper a t ion will r equ ir e a volt m et er
a ccu r a t e t o 1/10 (0.10) volt . Befor e per for m in g t est s,
be cer t a in t h a t followin g pr ocedu r es a r e a ccom -
plish ed:
• Ba t t er y is fu lly-ch a r ged a n d loa d-t est ed. Refer t o
B a tte ry in 8, Ba t t er y.
• F u lly en ga ge pa r kin g br a ke.
• P la ce gea r sh ift select or lever in P a r k posit ion .
• Ver ify t h a t a ll la m ps a n d a ccessor ies a r e t u r n ed
off.
• To pr even t en gin e fr om st a r t in g, r em ove F u el
P u m p Rela y. Th is r ela y is loca t ed in P ower Dist r ibu -
t ion Cen t er (P DC). Refer t o la bel on P DC cover for
r ela y loca t ion .
(1) Con n ect posit ive lea d of volt m et er t o n ega t ive
ba t t er y ca ble t er m in a l post . Con n ect n ega t ive lea d of
volt m et er t o n ega t ive ba t t er y ca ble cla m p (F ig. 2).
Rot a t e a n d h old ign it ion swit ch in St a r t posit ion .
Obser ve volt m et er. If volt a ge is det ect ed, cor r ect poor
con t a ct bet ween ca ble cla m p a n d t er m in a l post .
Fig. 2 TEST NEGATIVE BATTERY CABLE
CONNECTION RESISTANCE - TYPICAL
1 - VOLTMETER
2 - BATTERY
(2) Con n ect posit ive lea d of volt m et er t o posit ive
ba t t er y t er m in a l post . Con n ect n ega t ive lea d of volt -
m et er t o ba t t er y posit ive ca ble cla m p (F ig. 3). Rot a t e
a n d h old ign it ion swit ch in St a r t posit ion . Obser ve
volt m et er. If volt a ge is det ect ed, cor r ect poor con t a ct
bet ween ca ble cla m p a n d t er m in a l post .
Fig. 3 TEST POSITIVE BATTERY CABLE
CONNECTION RESISTANCE - TYPICAL
1 - VOLTMETER
2 - BATTERY
(3) Con n ect volt m et er t o m ea su r e bet ween ba t t er y
posit ive t er m in a l post a n d st a r t er solen oid ba t t er y
t er m in a l st u d (F ig. 4). Rot a t e a n d h old ign it ion
swit ch in St a r t posit ion . Obser ve volt m et er. If r ea d-
in g is a bove 0.2 volt , clea n a n d t igh t en ba t t er y ca ble
con n ect ion a t solen oid. Repea t t est . If r ea din g is st ill
a bove 0.2 volt , r epla ce fa u lt y posit ive ba t t er y ca ble.
STARTING SYSTEM 8F - 31