Pci Bus Communication Failure - Chrysler Sebring 2005 Service Manual

COM M U N I CAT I ON
S y m p to m :
*P CI B U S COMMU N ICATION FAILU RE
WIRING H ARNE SS INTE RMITTE NT
OP E N P CI BUS CIRCUIT AT TH E DATA LINK CONNE CTOR (DLC)
H IGH VOLTAGE ON TH E P CI BUS CIRCUITS AT TH E BCM CONNE CTORS
MODULE (P CI BUS SH ORT TO VOLTAGE )
P CI BUS CIRCUIT SH ORTE D TO VOLTAGE
LOW RE SISTANCE TO GROUND ON TH E P CI BUS CIRCUITS AT TH E BCM CONNE CTORS
MODULE (P CI BUS SH ORT TO GROUND)
P CI BUS CIRCUIT SH ORTE D TO GROUND
TES T
1 N o te : D e te rm in e w h ic h m o d u le s th is v e h ic le is e qu ip p e d w ith be fo re be g in -
n in g .
N o te : Wh e n a tte m p tin g to c o m m u n ic a te w ith a n y o f th e m o d u le s o n th is
v e h ic le , th e D RB w ill d is p la y 1 o f 2 d iffe re n t c o m m u n ic a tio n e rro rs : a N O
RES P ON S E m e s s a g e o r a B U S +/- S IGN ALS OP EN m e s s a g e .
Tu r n t h e ign it ion on .
Usin g t h e DRB, a t t em pt t o com m u n ica t e wit h t h e followin g con t r ol m odu les:
Body Con t r ol Modu le (BCM)
In st r u m en t Clu st er (MIC)
Air ba g Con t r ol Modu le
Con t r oller An t ilock Br a ke (CAB)
Wa s t h e DRB a ble t o com m u n ica t e wit h on e or m or e Modu le(s)?
Yes
No
2 Tu r n t h e ign it ion off.
N o te : Vis u a lly in s p e c t th e re la te d w irin g h a rn e s s . Lo o k fo r a n y c h a fe d ,
p ie rc e d , p in c h e d , o r p a rtia lly bro k e n w ire s .
N o te : Vis u a lly in s p e c t th e re la te d w ire h a rn e s s c o n n e c to rs . Lo o k fo r bro k e n ,
be n t, p u s h e d o u t, o r c o rro d e d te rm in a ls .
N o te : If th e D RB c a n n o t c o m m u n ic a te w ith a s in g le m o d u le , re fe r to th e
c a te g o ry lis t fo r th e re la te d s y m p to m .
Wer e a n y pr oblem s fou n d?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Go To 2
→ Go To 3
→ Repa ir wir in g h a r n ess/con n ect or s a s n ecessa r y.
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Test Com plet e.
28
AP P LICAB ILITY
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