Circ Pump Control High Or Open (Active) - Dodge Sprinter 2006 Manual

H EAT I N G & A/C
S y m p to m :
CIRC P U MP CON TROL HIGH OR OP EN (ACTIVE)
CIRCULATION P UMP
CIRCULATION P UMP CONTROL CIRCUIT SH ORTE D TO VOLTAGE
AUTOMATIC TE MP E RATURE CONTROL (ATC)
CIRCULATION P UMP CONTROL CIRCUIT OP E N
GROUND CIRCUIT OP E N
AUTOMATIC TE MP E RATURE CONTROL (ATC)
TES T
1 Tu r n t h e ign it ion off.
P r ess t h e Residu a l E n gin e H ea t Ut iliza t ion (RE ST) swit ch 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 Cir cu la t ion P u m p h a r n ess con n ect or.
Con n ect a 12-volt t est ligh t bet ween t h e Cir cu la t ion P u m p Con t r ol cir cu it a n d t h e
Gr ou n d cir cu it in t h e Cir cu la t ion P u m p h a r n ess con n ect or. Th e t est ligh t sh ou ld
oper a t e a s follows:
Wit h t h e Residu a l E n gin e H ea t Ut iliza t ion (RE ST) swit ch off, t h e t est ligh t sh ou ld
n ot illu m in a t e.
P r ess t h e Residu a l E n gin e H ea t Ut iliza t ion (RE ST) swit ch on . Th e t est ligh t sh ou ld
illu m in a t e br igh t ly.
Does t h e t est ligh t fu n ct ion a s specified?
Yes, Ligh t On ly Illu m in a t es Wit h RE ST On
No, Ligh t Illu m in a t es Wit h RE ST Off
No, Ligh t Will Not Illu m in a t e
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 Cir cu la t ion P u m p 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.
Tu r n t h e ign it ion on .
Mea su r e t h e volt a ge of t h e Cir cu la t ion P u m p Con t r ol cir cu it .
Is t h e volt a ge a bove 0.2 volt s?
Yes
No
P OS S IB LE CAU S ES
ACTION
Repla ce t h e Cir cu la t ion P u m p 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.
Go To 2
Go To 3
→ Repa ir t h e Cir cu la t ion P u m p Con t r ol 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.
→ Repla ce t h e Au t om a t ic Tem per a t u r e Con t r ol (ATC) 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.
152
AP P LICAB ILITY
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