Chrysler Sebring 2005 Service Manual page 2241

P 0031-O2 S EN S OR 1/1 HEATER CIRCU IT LOW —
TES T
1 Ign it ion on , en gin e n ot r u n n in g.
Wit h t h e DRBIII , r ea d DTCs a n d r ecor d t h e r ela t ed F r eeze F r a m e da t a .
Is t h e Good Tr ip Cou n t er displa yed a n d equ a l t o zer o?
Yes
No
2 Tu r n t h e ign it ion off.
N OTE: Allo w th e O2 S e n s o r to c o o l d o w n be fo re c o n tin u in g th e te s t. Th e O2
S e n s o r v o lta g e s h o u ld s ta bilize a t 5.0 v o lts . Ra is in g th e h o o d m a y h e lp in
re d u c in g u n d e r h o o d te m p s qu ic k e r.
Ign it ion on , en gin e n ot r u n n in g.
Wit h t h e DRBIII , a ct u a t e t h e O2 H ea t er Test .
Wit h t h e DRBIII , m on it or O2 Sen sor volt a ge for a t lea st 2 m in u t es.
Does t h e O2 Sen sor volt a ge st a y a bove 4.5 volt s?
Yes
No
3 Tu r n t h e ign it ion off.
N OTE: Allo w th e O2 s e n s o r to c o o l d o w n to ro o m te m p e ra tu re .
Discon n ect t h e O2 Sen sor h a r n ess con n ect or.
Mea su r e t h e r esist a n ce a cr oss t h e O2 Sen sor H ea t er elem en t com pon en t side.
N OTE: He a te r Re s is ta n c e S p e c ific a tio n : 1/1 a n d 2/1 = 3.0 to 4.0 o h m s o r 1/2
a n d 2/2 = 4.0 to 5.0 o h m s .
Is t h e O2 Sen sor H ea t er elem en t wit h in specifica t ion ?
Yes
No
4 Tu r n t h e ign it ion off.
Discon n ect t h e O2 Sen sor h a r n ess con n ect or.
Ign it ion on , en gin e n ot r u n n in g.
Wit h t h e DRBIII , a ct u a t e t h e O2 H ea t er Test .
Usin g a 12-volt t est ligh t con n ect ed t o gr ou n d, pr obe t h e O2 H ea t er Con t r ol cir cu it in
t h e O2 Sen sor h a r n ess con n ect or.
Does t h e t est illu m in a t e br igh t ly a n d fla sh on a n d off?
Yes
No
ACTION
→ Go To 3
→ Go To 2
→ Go To 3
→ Refer t o t h e INTE RMITTE NT CONDITION sym pt om in t h e
Dr ivea bilit y ca t egor y.
P er for m P OWE RTRAIN VE RIF ICATION TE ST VE R - 5.
→ Go To 4
→ Repla ce t h e O2 Sen sor.
P er for m P OWE RTRAIN VE RIF ICATION TE ST VE R - 5.
→ Repla ce t h e O2 Sen sor.
P er for m P OWE RTRAIN VE RIF ICATION TE ST VE R - 5.
→ Go To 5
DRI V EABI LI T Y - N GC
Co n tin u e d
37
AP P LICAB ILITY
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