Dodge Sprinter 2006 Manual page 522

DRI V EABI LI T Y - DI ESEL
S y m p to m Lis t:
P 1681-ACM CIRCU IT FAU LT
P 1681-ACM CIRCU IT S HORT TO VOLTAGE
Te s t N o te : All s y m p to m s lis te d a bo v e a re d ia g n o s e d u s in g th e s a m e te s ts .
Th e title fo r th e te s ts w ill be P 1681-ACM CIRCU IT FAU LT.
AIRBAG CONTROL MODULE
INTE RMITTE NT CONDITION
ACM SIGNAL CIRCUIT SH ORTE D TO VOLTAGE
E NGINE CONTROL MODULE
TES T
1 N OTE: If th e ECM d e te c ts a n d s to re s a D TC, th e ECM a ls o s to re s th e
e n g in e /v e h ic le o p e ra tin g c o n d itio n s u n d e r w h ic h th e D TC w a s s e t. S o m e o f
th e s e c o n d itio n s a re d is p la y e d o n th e D RB a t th e s a m e tim e th e D TC is
d is p la y e d .
N OTE: B e fo re e ra s in g s to re d D TCs , re c o rd th e s e c o n d itio n s . Atte m p tin g to
d u p lic a te th e s e c o n d itio n s m a y a s s is t w h e n c h e c k in g fo r a n a c tiv e D TC.
Wit h t h e DRB, ch eck t h e Air ba g Modu le for pr oper com m u n ica t ion a n d DTCs. If
t h er e a r e a n y ACM DTCs, r epa ir t h em pr ior t o con t in u in g t h is t est .
Tu r n t h e ign it ion on .
Wit h t h e DRB, er a se E CM DTCs.
St a r t t h e en gin e.
Wit h t h e DRB, r ea d E CM DTCs.
Did t h is DTC set a ga in ?
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.
Rem ove t h e E n gin e Con t r ol Rela y.
Con n ect a ju m per wir e bet ween ca vit y 30 a n d ca vit y 87 of t h e E n gin e Con t r ol Rela y
con n ect or.
Tu r n t h e ign it ion on .
Mea su r e t h e volt a ge of t h e ACM Sign a l cir cu it .
Is t h e volt a ge below 1.0 volt ?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Go To 2
→ Go To 4
→ 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 ROAD TE ST VE RIF ICATION - VE R-2.
→ Go To 3
104
AP P LICAB ILITY
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