Blower Stage 1 High Or Open (Active) - Dodge Sprinter 2006 Manual

H EAT I N G & A/C
S y m p to m :
B LOWER S TAGE 1 HIGH OR OP EN (ACTIVE)
BLOWE R MOTOR
BLOWE R MOTOR DRIVE R CIRCUIT(S) SH ORTE D TO VOLTAGE
BLOWE R MOTOR DRIVE R CIRCUIT(S) OP E N
BLOWE R MOTOR RE SISTOR BLOCK
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.
Discon n ect t h e Blower Mot or h a r n ess con n ect or.
Con n ect a fu sed ju m per wir e bet ween Ba t t er y (+) a n d Blower Mot or ca vit y 1.
Con n ect a ju m per wir e bet ween gr ou n d a n d Blower Mot or ca vit y 2.
Does t h e Blower Mot or r u n a t fu ll speed?
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 Blower Mot or Resist or Block h a r n ess con n ect or.
Discon n ect t h e Blower Mot or 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) C2 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 ea ch of t h e Blower Mot or Dr iver cir cu it s (Low, M1, M2, H igh ).
Is t h e volt a ge a bove 0.2 volt s on a n y of t h e cir cu it 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 Au t om a t ic Tem per a t u r e Con t r ol (ATC) C2 h a r n ess con n ect or.
Discon n ect t h e Blower Mot or Resist or Block h a r n ess con n ect or.
Discon n ect t h e Blower Mot or 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 Blower Mot or Dr iver cir cu it s (Low, M1, M2, H igh )
bet ween t h e Au t om a t ic Tem per a t u r e Con t r ol (ATC) C2 h a r n ess con n ect or a n d t h e
Blower Mot or Resist or Block 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 Blower Mot or H igh Dr iver 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) C2 h a r n ess con n ect or a n d t h e Blower Mot or
h a r n ess con n ect or.
Is t h e r esist a n ce below 5.0 oh m s on ea ch of t h e cir cu it s?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Go To 2
→ Repla ce t h e Blower Mot or 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 ea ch cir cu it wit h volt a ge a bove 0.2 volt s 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
→ Go To 4
→ Repa ir ea ch cir cu it wit h a r esist a n ce a bove 5.0 oh m s for a n open .
P er for m BODY VE RIF ICATION TE ST - VE R 1.
144
AP P LICAB ILITY
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