Dodge Sprinter 2006 - Air Outlet Temp Sensor High or Open (Active)

Symptom:
AIR OUT LET TEMP SENSO R H I GH OR OP E N ( ACT IVE )
POSSIBLE CAUSES
AIR OUTLE T TE MPE RATURE SE NSOR SIGNAL CIRCUIT SH ORTED TO VOLTAGE
AUTOMATIC TE MPE RATURE CONTROL (ATC)
AUTOMATIC TE MPE RATURE CONTROL (ATC)
AIR OUTLE T TE MPE RATURE SE NSOR SIGNAL CIRCUIT OP E N
SENSOR GROUND CIRCUIT OPEN
AIR OUTLE T TE MPE RATURE SE NSOR
TE S T ACTION AP PLICAB ILITY
1 Tur n th e ign it ion off.
NOTE: Ch e c k c o n n e c to rs - Cle an /re pa i r a s n e c e ss a ry.
Discon n ect t he Air Ou t let Temper a t u r e Sen sor h a r n ess con n ect or.
Tur n th e ign it ion on .
Wh ile ba ck pr obin g, mea su r e t h e volta ge bet ween t h e Air Ou t let Tem per a t u r e Sen sor
Sign al cir cu it an d t h e Sen sor Gr ou nd cir cu it .
Is t h e volt a ge above 5.3 volt s?
All
Ye s → Go To 2
No → Go To 3
2 Tur n th e ign it ion off.
NOTE: Ch e c k c o n n e c to rs - Cle an /re pa i r a s n e c e ss a ry.
Discon n ect t he Air Ou t let Temper a t u r e Sen sor h a r n ess con n ect or.
Discon n ect t he Aut om a t ic Tem pera t u r e Con t r ol (ATC) C1 ha r n ess conn ect or.
Tur n th e ign it ion on .
Mea su r e th e volt a ge of th e Air Ou t let Temper a t u r e Sen sor Sign a l cir cuit .
Is t h e volt a ge above 0.2 volt s?
All
Ye s → Repa ir t h e Air Ou t let Temper a t u r e Sen sor Sign a l cir cu it for a
sh or t to volt a ge.
Per for m BODY VERIFICATION TE ST - VE R 1.
No → Repla ce th e Aut om a t ic Tem pera t u r e Cont r ol (ATC) in a ccorda n ce
wit h th e Ser vice In for m a t ion .
Per for m BODY VERIFICATION TE ST - VE R 1.
3 Tur n th e ign it ion off.
NOTE: Ch e c k c o n n e c to rs - Cle an /re pa i r a s n e c e ss a ry.
Discon n ect t he Air Ou t let Temper a t u r e Sen sor h a r n ess con n ect or.
Tur n th e ign it ion on .
Wh ile ba ck pr obin g, mea su r e t h e volta ge bet ween t h e Air Ou t let Tem per a t u r e Sen sor
Sign al cir cu it a n d Sen sor Gr ou n d cir cuit in t h e Au t om a t ic Tem per a t u r e Con t r ol
(ATC) C1 ha r n ess con n ect or.
Is t h e volt a ge above 4.5 volt s?
All
Ye s → Go To 4
No → Repla ce th e Aut om a t ic Tem pera t u r e Cont r ol (ATC) in a ccorda n ce
wit h th e Ser vice In for m a t ion .
Per for m BODY VERIFICATION TE ST - VE R 1.
134
HEAT IN G & A/C