Dodge Sprinter 2006 Manual page 172

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H EAT I N G & A/C
N O COMMU N ICATION WITH ECM (ACTIVE) —
TES T
4
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 a ll of t h e en gin e con t r ol m odu le's power cir cu it s for a sh or t or open con dit ion .
Ch eck a ll of t h e en gin e con t r ol m odu le's gr ou n d cir cu it s for a n open con dit ion .
Wer e a n y pr oblem s fou n d?
Yes
No
5
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.
Mea su r e t h e r esist a n ce bet ween t h e CAN C Bu s (+) cir cu it a n d t h e CAN C Bu s (-)
cir cu it in t h e E n gin e Con t r ol Modu le h a r n ess con n ect or.
Is t h e r esist a n ce 57 t o 63 oh m s?
Yes
No
6
Tu r n t h e ign it ion off.
Discon n ect t h e Au t om a t ic Tem per a t u r e Con t r ol (ATC) C1 h a r n ess con n ect or.
Mea su r e t h e r esist a n ce bet ween t h e CAN C Bu s (+) cir cu it a n d t h e CAN C Bu s (-)
cir cu it in t h e Au t om a t ic Tem per a t u r e Con t r ol (ATC) C1 h a r n ess con n ect or.
Is t h e r esist a n ce 57 t o 63 oh m s?
Yes
No
ACTION
→ Repa ir t h e power /gr ou n d cir cu it (s) a s n ecessa r y.
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 5
→ Repla ce t h e E n gin e Con t r ol Modu le in a ccor da n ce wit h t h e
Ser vice In for m a t ion .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Repa ir t h e CAN C Bu s (+)/CAN C Bu s (-) cir cu it (s) for a n open .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Repla ce t h e Au t om a t ic Tem per a t u r e Con t r ol in a ccor da n ce wit h
t h e Ser vice In for m a t ion .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Repa ir t h e CAN C Bu s (+)/CAN C Bu s (-) cir cu it (s) for a n open .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
Co n tin u e d
164
AP P LICAB ILITY
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