A/C Mode Door Input Open/Short To Ground - Mtc - Chrysler Sebring 2005 Service Manual

H EAT I N G & A/C
S y m p to m :
A/C MOD E D OOR IN P U T OP EN /S HORT TO GROU N D - MTC
Wh e n Mo n ito re d a n d S e t Co n d itio n :
A/C MOD E D OOR IN P U T OP EN /S HORT TO GROU N D - MTC
Wh en Mon it or ed: Wit h t h e ign it ion on .
Set Con dit ion : Th e A/C - H ea t er Con t r ol pr ovides a 5 volt pu ll-u p t o t h e m ode r equ est
select or. Th e BCM r ea ds t h e sign a l fr om t h e A/C - H ea t er Con t r ol m ode r equ est a n d
posit ion s t h e m ode door a ccor din gly. If t h e volt a ge on t h is pin is below 0.1 volt s, t h e DTC
will set , a n d t h e BCM will pla ce t h e m ode door in a defa u lt posit ion .
ADDITIONAL CODE (S) P RE SE NT
F USE D IGNITION SWITCH OUTP UT CIRCUIT OP E N
A/C MODE SWITCH MUX CIRCUIT SH ORT GROUND
A/C MODE SWITCH MUX CIRCUIT SH ORT SE NSOR GROUND
A/C MODE SWITCH MUX CIRCUIT OP E N
CONTROL H E AD - MODE SWITCH MUX OP E N/SH ORTE D TO GROUND
BODY CONTROL MODULE - MODE SWITCH MUX OP E N/SH ORTE D TO GROUND
TES T
1 Tu r n t h e ign it ion on .
Wit h t h e DRBIII r ea d t h e Body Com pu t er DTCs.
Ar e Mode Door In pu t Open /STG a n d Blen d Door In pu t Open /STG DTCs pr esen t ?
(Ma y set TCM Msg Not Recd).
Yes
No
2 Tu r n t h e ign it ion off.
Discon n ect t h e A/C - H ea t er Con t r ol C1 h a r n ess con n ect or.
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 F u sed Ign it ion Swit ch
Ou t pu t cir cu it .
Is t h e t est ligh t illu m in a t ed?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ If J B F u se 11 is open , ch eck for sh or t t o gr ou n d in J u n ct ion Block,
BCM, a n d F u sed Ign Sw Ou t pu t Ckt . If J B F u se 11 is n ot open ,
ch eck for a n open bet ween J B F u se 11 P in 19, a n d J B C7-10
h a r n ess con n ect or, a n d splice 210 in F u sed Ign Sw Ou t pu t Ckt .
Ca libr a t ion m u st be per for m ed a ft er r epa ir /r epla cem en t is com -
plet ed.
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 2
→ Go To 3
→ Repa ir t h e F u sed Ign it ion Swit ch Ou t pu t cir cu it for a n open .
Ca libr a t ion m u st be per for m ed a ft er r epa ir /r epla cem en t is com -
plet ed.
P er for m BODY VE RIF ICATION TE ST - VE R 1.
270
AP P LICAB ILITY
All
All