Dodge Sprinter 2006 Manual page 2209

CAN B U S CIRCU IT —
TES T
1 N OTE: Lo w flu id le v e l c a n be th e c a u s e o f m a n y tra n s m is s io n p ro ble m s . If
th e flu id le v e l is lo w lo c a te a n d re p a ir th e le a k th e n c h e c k a n d a d ju s t th e
flu id le v e l p e r th e s e rv ic e in fo rm a tio n .
N OTE: Alw a y s p e rfo rm d ia g n o s tic s w ith a fu lly c h a rg e d ba tte ry to a v o id
fa ls e s y m p to m s .
Wit h t h e DRBIII , r ea d t h e en gin e DTCs. Ch eck a n d r epa ir a ll en gin e DTCs pr ior t o
per for m in g t r a n sm ission sym pt om dia gn ost ics.
Wit h t h e DRBIII , r ea d a n d r ecor d a ll Tr a n sm ission DTCs.
N OTE: Ch e c k c o n n e c to rs - Cle a n /re p a ir a s n e c e s s a ry. P o o r p in to te rm in a l
c o n n e c tio n s c a n s e t D TCs .
Usin g t h e wir in g dia gr a m /sch em a t ic a s a gu ide, in spect t h e wir in g a n d con n ect or s.
Repa ir a s n ecessa r y.
Most DTCs set on st a r t u p bu t som e m u st be set by dr ivin g t h e veh icle su ch t h a t a ll
dia gn ost ic m on it or s h a ve r u n .
N o te : Ve rify fla s h le v e l o f tra n s m is s io n c o n tro lle r. S o m e p ro ble m s a re
c o rre c te d by s o ftw a re u p g ra d e s to th e tra n s m is s io n c o n tro lle r.
N OTE: Ch e c k fo r a n y Te c h n ic a l S e rv ic e B u lle tin s th a t m a y a p p ly.
P er for m t h is pr ocedu r e pr ior t o Sym pt om dia gn osis.
Con t in u e
2 Wit h t h e DRBIII , r ea d t h e a ct ive a n d st or ed DTCs for a ll m odu les t h a t u se CAN Bu s
com m u n ica t ion .
N OTE: D u e to c a p a bilitie s o f c e rta in c o n tro lle rs th a t u s e th e CAN B u s , n o t
a ll m o d u le s re p o rt CAN B u s D TCs .
N OTE: If a to ta l CAN B u s fa ilu re tra n s p ire s , th e re w ill be m u ltip le CAN B u s
D TCs p re s e n t in m a n y m o d u le s . If th e o th e r m o d u le s a re re p o rtin g Tra n s -
m is s io n CAN B u s m e s s a g e s ON LY, a n s w e r N o fo r th e fo llo w in g qu e s tio n .
Ar e ot h er m odu les r epor t in g a ct ive or st or ed CAN Bu s com m u n ica t ion DTCs?
Yes
No
3 Tu r n t h e ign it ion off t o t h e lock posit ion .
Discon n ect t h e n ega t ive ba t t er y ca ble.
Wh ile ba ck pr obin g, m ea su r e t h e r esist a n ce bet ween t h e CAN C Bu s (+) a n d t h e CAN
C Bu s (-) in t h e select ed con t r ol m odu le h a r n ess con n ect or.
N OTE: Te rm in a tio n o f th e CAN B u s is lo c a te d in th e ECM a n d S KREEM.
B o th m o d u le s u s e a 120.0 o h m re s is to r fo r te rm in a tio n o f th e CAN B u s . A
p ro p e rly te rm in a te d CAN B u s w ill re a d 60.0 o h m s ± 5.0 o h m s .
P ick t h e on e t h a t best descr ibes you r r ea din gs:
60.0 oh m s ± 5.0 oh m s.
120.0 oh m s ± 5.0 oh m s.
Less t h a n 60.0 oh m s
Co n tin u e d
ACTION
Go To 2
→ Go To 3
→ Go To 12
Go To 4
Go To 10
Go To 8
T RAN SM I SSI ON - N AG1
49
AP P LICAB ILITY
All
All
All