Refrig Press Sensor Shorted Low (Active) - Dodge Sprinter 2006 Manual

S y m p to m :
REF RIG P RES S S EN S OR S HORTED LOW (ACTIVE)
RE F RIGE RANT P RE SSURE SE NSOR
5 VOLT SUP P LY CIRCUIT SH ORTE D TO GROUND
5 VOLT SUP P LY CIRCUIT SH ORTE D TO GROUND CIRCUIT
5 VOLT SUP P LY CIRCUIT SH ORTE D TO SE NSOR GROUND CIRCUIT
RE F RIGE RANT P RE SSURE SE NSOR F E E DBACK CIRCUIT SH ORTE D TO GROUND
RE F RIGE RANT P RE SSURE SE NSOR F E E DBACK CIRCUIT SH ORTE D TO GROUND CIRCUIT
RE F RIGE RANT P RE SSURE SE NSOR F E E DBACK CIRCUIT SH ORTE D TO SE NSOR GROUND
CIRCUIT
AUTOMATIC TE MP E RATURE CONTROL (ATC)
TES T
1 Tu r n t h e ign it ion off.
Discon n ect t h e Refr iger a n t P r essu r e Sen sor h a r n ess con n ect or.
N OTE: All o f th e fo llo w in g c rite ria m u s t be m e t in o rd e r to s u c c e s s fu lly ru n
th e ATC F u n c tio n Te s t.
P la ce t h e sh ift lever in P a r k.
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 ATC DTC's.
St a r t t h e en gin e. Allow t h e en gin e t o r ea ch n or m a l oper a t in g t em per a t u r e.
Set t h e blower t o h igh speed.
P r ess t h e Air Con dit ion in g swit ch On .
Wit h t h e DRBIII , ver ify t h a t t h e a m bien t t em per a t u r e is a bove 59°F (15°C), t h e
r efr iger a n t pr essu r e is bet ween 29 a n d 348 P SI (2 a n d 24 ba r ), t h e eva por a t or
t em per a t u r e is a bove 36.5°F (2.5°C), a n d t h e coola n t t em per a t u r e is a bove 158°F
(70°C).
Wit h t h e DRBIII in Au t om a t ic Tem per a t u r e Con t r ol (ATC), select Syst em Test s a n d
select ATC F u n ct ion Test . Wh en t h e ATC F u n ct ion Test is com plet e, pr oceed a s
follows:
Wit h t h e DRBIII , r ea d t h e a ct ive ATC DTCs.
Does t h e DRBIII displa y: RE F RIG P RE SS SE NSOR SH ORTE D LOW?
Yes
No
2 Tu r n t h e ign it ion off.
Discon n ect t h e Au t om a t ic Tem per a t u r e Con t r ol (ATC) C1 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 5 Volt Su pply cir cu it .
Is t h e r esist a n ce below 10k oh m s?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Go To 2
→ Repla ce t h e Refr iger a n t P r essu r e Sen sor in a ccor da n ce wit h t h e
Ser vice In for m a t ion .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Repa ir t h e 5 Volt Su pply cir cu it for a sh or t t o gr ou n d.
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 3
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H EAT I N G & A/C
AP P LICAB ILITY
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