Refrig Press Sensor High Or Open (Active) - Dodge Sprinter 2006 Manual

S y m p to m :
REF RIG P RES S S EN S OR HIGH OR OP EN (ACTIVE)
5 VOLT SUP P LY CIRCUIT SH ORTE D TO VOLTAGE
RE F RIGE RANT P RE SSURE SE NSOR F E E DBACK CIRCUIT SH ORTE D TO VOLTAGE
5 VOLT SUP P LY CKT SH ORTE D TO RE F RIGE RANT P RE SSURE SE NSOR F E E DBACK CKT
AUTOMATIC TE MP E RATURE CONTROL (ATC)
5 VOLT SUP P LY CIRCUIT OP E N
RE F RIGE RANT P RE SSURE SE NSOR F E E DBACK CIRCUIT OP E N
SE NSOR GROUND CIRCUIT OP E N
RE F RIGE RANT P RE SSURE SE NSOR
TES T
1 Tu r n t h e ign it ion off.
N OTE: Ch e c k c o n n e c to rs - Cle a n /re p a ir a s n e c e s s a ry.
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.
Tu r n t h e ign it ion on .
Mea su r e t h e volt a ge of t h e 5 Volt Su pply cir cu it .
Is t h e volt a ge a bove 0.2 volt s?
Yes
No
2 Tu r n t h e ign it ion off.
N OTE: Ch e c k c o n n e c to rs - Cle a n /re p a ir a s n e c e s s a ry.
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.
Tu r n t h e ign it ion on .
Mea su r e t h e volt a ge of t h e Refr iger a n t P r essu r e Sen sor F eedba ck cir cu it .
Is t h e volt a ge a bove 0.2 volt s?
Yes
No
3 Tu r n t h e ign it ion off.
N OTE: Ch e c k c o n n e c to rs - Cle a n /re p a ir a s n e c e s s a ry.
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.
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 t h e 5 Volt Su pply cir cu it a n d t h e Refr iger a n t
P r essu r e Sen sor F eedba ck 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
→ Repa ir t h e 5 Volt Su pply cir cu it for a sh or t t o volt a ge.
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 2
→ Repa ir t h e Refr iger a n t P r essu r e Sen sor F eedba ck cir cu it for a
sh or t t o volt a ge.
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 3
→ Repa ir t h e 5 Volt Su pply cir cu it for a sh or t t o t h e Refr iger a n t
P r essu r e Sen sor F eedba ck cir cu it .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 4
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H EAT I N G & A/C
AP P LICAB ILITY
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