Chrysler Sebring 2005 Service Manual page 2929

A/C HEAD , EB L IN P U T S HORTED TO GROU N D - MTC —
TES T
3 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.
Discon n ect t h e Body Con t r ol Modu le C2 h a r n ess con n ect or.
Mea su r e t h e r esist a n ce bet ween gr ou n d a n d t h e A/C Swit ch Sen se cir cu it .
Is t h e r esist a n ce below 10K oh m s?
Yes
No
4 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.
Discon n ect t h e Body Con t r ol Modu le C2 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 Sen sor Gr ou n d cir cu it a n d t h e A/C Swit ch Sen se
cir cu it a t t h e A/C - H ea t er Con t r ol C1 h a r n ess con n ect or.
Is t h e r esist a n ce below 10K oh m s?
Yes
No
5 If t h er e a r e n o possible ca u ses r em a in in g, view r epa ir.
Repa ir
6 Tu r n t h e ign it ion on .
Wit h t h e DRBIII , r ecor d a n d er a se DTCs.
E n su r e t h a t t h e Rea r Win dow Defogger is off.
P u t t h e Mode Con t r ol swit ch in t h e Recir c/Bi-Level (fu ll left ) posit ion .
St a r t t h e en gin e.
Wit h t h e DRBIII in Sen sor Displa y, r ea d t h e A/C ABLE Swit ch volt a ge a n d t h e Mode
Swit ch volt a ge in ea ch door posit ion .
Look for t h e followin g a ppr oxim a t e volt a ge r ea din gs:
Recir c-A/C posit ion : A/C E BL Swit ch , 4.42 volt s, Mode Swit ch , 1.32 volt s.
P a n el-A/C posit ion : A/C E BL Swit ch , 4.42 volt s, Mode Swit ch , 3.20 volt s.
Mix-A/C posit ion : A/C E BL Swit ch 4.42 volt s, Mode Swit ch 5.07 volt s.
P a n el-H ea t er posit ion : A/C E BL Swit ch 10.79 volt s, Mode Swit ch 3.20 volt s.
Mix-H ea t er posit ion : A/C E BL Swit ch 10.79 volt s, Mode Swit ch 5.07 volt s.
F loor-H ea t er posit ion : A/C E BL Swit ch 10.79 volt s, Mode Swit ch 7.16 volt s.
Does DRBIII
posit ion ?
Yes
No
ACTION
→ Repa ir t h e A/C Swit ch Sen se cir cu it for a sh or t t o gr ou n d.
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 4
→ Repa ir t h e A/C Swit ch Sen se cir cu it for a sh or t t o t h e Sen sor
Gr ou n d cir cu it .
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 5
Repla ce a n d pr ogr a m t h e Body 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 .
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.
displa y t h e a ppr oxim a t e volt a ges for ea ch Mode Con t r ol swit ch
→ Go To 7
→ Repla ce t h e A/C - H ea t er Con t r ol in a ccor da n ce wit h t h e Ser vice
In for m a t ion .
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.
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H EAT I N G & A/C
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