Dodge Sprinter 2006 Manual page 430

COM M U N I CAT I ON
S y m p to m :
*N O RES P ON S E F ROM EN GIN E CON TROL MOD U LE
CH E CK P OWE RS AND GROUNDS TO TH E E NGINE CONTROL MODULE
K-E CM CIRCUIT SH ORTE D TO GROUND
K-E CM CIRCUIT SH ORTE D TO VOLTAGE
K-E CM CIRCUIT OP E N
E NGINE CONTROL MODULE
TES T
1 Tu r n t h e ign it ion off.
Discon n ect t h e E n gin e Con t r ol Modu le h a r n ess con n ect or s.
Ch eck ea ch power a n d gr ou n d cir cu it t o t h e m odu le.
Wer e a n y pr oblem s fou n d?
Yes
No
2 Tu r n t h e ign it ion off.
Discon n ect t h e E CM h a r n ess con n ect or s.
Discon n ect t h e DRBIII fr om t h e DLC.
Mea su r e t h e r esist a n ce bet ween gr ou n d a n d t h e K-E CM cir cu it .
Is t h e r esist a n ce below 5.0 oh m s?
Yes
No
3 Tu r n t h e ign it ion off.
Discon n ect t h e DRBIII fr om t h e DLC.
Discon n ect t h e E CM h a r n ess con n ect or s.
Tu r n t h e ign it ion on .
Usin g a 12-volt t est ligh t con n ect ed t o gr ou n d, pr obe t h e K-E CM cir cu it .
N OTE: Th e te s t lig h t m u s t illu m in a te brig h tly. Co m p a re th e brig h tn e s s to
th a t o f a d ire c t c o n n e c tio n to th e ba tte ry.
Does t h e t est ligh t illu m in a t e br igh t ly?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Refer t o t h e wir in g dia gr a m s loca t ed in t h e ser vice in for m a t ion t o
h elp isola t e a n open or sh or t ed con dit ion . Repa ir a s n ecessa r y.
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 2
→ Repa ir t h e K-E CM cir cu it for a sh or t t o gr ou n d.
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 3
→ Repa ir t h e K-E CM cir cu it for a sh or t t o volt a ge.
P er for m ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 4
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AP P LICAB ILITY
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