Dodge Sprinter 2006 Manual page 2210

T RAN SM I SSI ON - N AG1
CAN B U S CIRCU IT —
TES T
4 Tu r n t h e ign it ion on .
Wh ile ba ck pr obin g a n y m odu le h a r n ess con n ect or t h a t u ses t h e CAN Bu s, m ea su r e
t h e volt a ge bet ween t h e CAN C Bu s (+) cir cu it a n d gr ou n d.
Wh ile ba ck pr obin g a n y m odu le h a r n ess con n ect or t h a t u ses t h e CAN Bu s, m ea su r e
t h e volt a ge bet ween t h e CAN C Bu s (-) cir cu it a n d gr ou n d.
Is t h e volt a ge a bove 3.0 volt s for eit h er cir cu it ?
Yes
No
5 Tu r n t h e ign it ion off.
Usin g a volt m et er, con n ect on e en d t o t h e CAN cir cu it t h a t pr eviou sly m ea su r ed
a bove 3.0 volt s, a n d t h e ot h er en d t o gr ou n d.
N OTE: Wh e n p e rfo rm in g th e fo llo w in g s te p s , tu rn th e ig n itio n o ff a n d WAIT
ON E MIN U TE, be fo re d is c o n n e c tin g a n y m o d u le . Re p e a t th is fo r a ll m o d -
u le s , fa ilu re to tu rn o ff ig n itio n m a y re s u lt in d a m a g in g th e d is c o n n e c te d
m o d u le .
Tu r n t h e ign it ion on .
Discon n ect a CAN Bu s m odu le t h e veh icle is equ ipped wit h . Mon it or a n d n ot e t h e
volt m et er r ea din g.
N OTE: Re p e a t th e a bo v e s te p fo r e a c h CAN B u s m o d u le u n til a ll th e m o d u le s
h a v e be e n d is c o n n e c te d .
N OTE: Re fe r to th e w irin g d ia g ra m s in th e s e rv ic e in fo rm a tio n to h e lp
d e te rm in e w h ic h m o d u le s a re o n th e CAN B u s .
Is t h e volt a ge st ea dily a bove 3.0 volt s wit h a ll t h e m odu les discon n ect ed?
Yes
No
6 Tu r n t h e ign it ion off.
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 gr ou n d a n d t h e CAN C Bu s (+)
cir cu it .
Wh ile ba ck pr obin g, m ea su r e t h e r esist a n ce bet ween gr ou n d a n d t h e CAN C Bu s (-)
cir cu it .
Is t h e r esist a n ce below 50.0 oh m s for eit h er m ea su r em en t ?
Yes
No
Co n tin u e d
ACTION
→ Go To 5
→ Go To 6
→ Repa ir t h e CAN C Bu s (+) cir cu it a n d/or t h e CAN C Bu s (-) cir cu it
for a sh or t t o volt a ge.
P er for m NAG1 TRANSMISSION VE RIF ICATION TE ST - VE R 1.
→ Repla ce t h e m odu le t h a t wh en discon n ect ed, t h e sh or t t o volt a ge
wa s elim in a t ed.
P er for m NAG1 TRANSMISSION VE RIF ICATION TE ST - VE R 1.
→ Go To 7
→ Go To 8
50
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