Aux Fan Relay Control High Or Open (Active) - Dodge Sprinter 2006 Manual

H EAT I N G & A/C
S y m p to m :
AU X FAN RELAY CON TROL HIGH OR OP EN (ACTIVE)
A/C AUXILIARY FAN RE LAY H IGH SIDE CONTROL CIRCUIT SH ORTE D TO VOLTAGE
GROUND CIRCUIT OP E N
A/C AUXILIARY FAN RE LAY H IGH SIDE CONTROL CIRCUIT OP E N
A/C AUXILIARY FAN RE LAY
AUTOMATIC TE MP E RATURE CONTROL (ATC)
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.
Rem ove t h e A/C Au xilia r y F a n Rela y fr om t h e r ela y cen t er.
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 volt a ge of t h e A/C Au xilia r y F a n Rela y H igh Side Con t r ol 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.
Rem ove t h e A/C Au xilia r y F a n Rela y fr om t h e r ela y cen t er.
Mea su r e t h e r esist a n ce bet ween gr ou n d a n d t h e Gr ou n d cir cu it in t h e r ela y cen t er
(A/C Au xilia r y F a n Rela y con n ect or t er m in a l 85).
Is t h e r esist a n ce below 5.0 oh m 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.
Rem ove t h e A/C Au xilia r y F a n Rela y fr om t h e r ela y cen t er.
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 of t h e A/C Au xilia r y F a n Rela y H igh Side Con t r ol cir cu it
bet ween 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 a n d t h e
r ela y cen t er (A/C Au xilia r y F a n Rela y con n ect or t er m in a l 86).
Is t h e r esist a n ce below 5.0 oh m s?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Repa ir t h e A/C Au xilia r y F a n Rela y H igh Side 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.
→ Go To 2
→ Go To 3
→ Repa ir t h e Gr ou n d cir cu it for a n open .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
→ Go To 4
→ Repa ir t h e A/C Au xilia r y F a n Rela y H igh Side Con t r ol cir cu it for
a n open .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
140
AP P LICAB ILITY
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