Dodge Sprinter 2006 Manual page 81

CIRC P U MP CON TROL OP EN —
TES T
2 WARN IN G: N EVER OP ERATE THE HEATER IN AN EN CLOS ED AREA
THAT D OES N OT HAVE EXHAU S T VEN TILATION FACILITIES . ALWAYS
VEN T THE EXHAU S T WHEN OP ERATIN G THE HEATER. FAILU RE TO
F OLLOW THES E IN S TRU CTION S CAN RES U LT IN P ERS ON AL IN J U RY
OR D EATH.
WARN IN G: ALLOW THE HEATER AS S EMB LY TO COOL B EF ORE P ER-
F ORMIN G A COMP ON EN T IN S P ECTION /REPAIR/REP LACEMEN T. FAIL-
U RE TO F OLLOW THES E IN S TRU CTION S CAN RES U LT IN P ERS ON AL
IN J U RY OR D EATH.
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 Ca bin H ea t er h a r n ess con n ect or.
Rem ove t h e Cir cu la t ion P u m p 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 of t h e Cir cu la t ion P u m p Rela y H igh Side Con t r ol cir cu it
bet ween t h e Ca bin H ea t er h a r n ess con n ect or a n d t h e r ela y cen t er (Cir cu la t ion P u m p
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
3 WARN IN G: N EVER OP ERATE THE HEATER IN AN EN CLOS ED AREA
THAT D OES N OT HAVE EXHAU S T VEN TILATION FACILITIES . ALWAYS
VEN T THE EXHAU S T WHEN OP ERATIN G THE HEATER. FAILU RE TO
F OLLOW THES E IN S TRU CTION S CAN RES U LT IN P ERS ON AL IN J U RY
OR D EATH.
Tu r n t h e ign it ion off.
Recon n ect t h e Ca bin H ea t er h a r n ess con n ect or.
In st a ll a su bst it u t e r ela y in pla ce of t h e Cir cu la t ion P u m p Rela y.
Tu r n t h e ign it ion on .
Ver ify t h a t t h e Ca bin H ea t er is swit ch ed off.
Set t h e blen d con t r ol t o t h e m a x h ea t posit ion a n d t h e m ode con t r ol t o t h e floor
posit ion .
Wit h t h e DRBIII , er a se t h e Ca bin H ea t er Modu le's DTCs.
St a r t t h e en gin e. Allow t h e en gin e t o idle.
Wit h t h e DRBIII, m on it or for Ca bin H ea t er Modu le DTCs wh ile per for m in g t h e
followin g st ep.
N OTE: D o n o t d is c o n n e c t th e v e h ic le 's ba tte ry o r th e h e a te r's m a in p o w e r
s u p p ly w h ile th e h e a te r is in o p e ra tio n o r in ru n -d o w n m o d e . F a ilu re to
fo llo w th e s e in s tru c tio n s c a n re s u lt in e x c e s s e m is s io n s fro m th e h e a te r
d u rin g h e a te r o p e ra tio n .
Swit ch t h e Ca bin H ea t er on . If n ecessa r y, a llow t h e h ea t er t o r u n t h r ou gh a t lea st on e
cycle of oper a t ion (a ppr oxim a t ely 10 m in u t es), a n d t h en t u r n t h e h ea t er off.
Tu r n t h e en gin e off.
Does t h e DRBIII displa y: CIRC P UMP CONTROL OP E N?
Yes
No
ACTION
→ Go To 3
→ Repa ir t h e Cir cu la t ion P u m p Rela y H igh Side Con t r ol cir cu it for
a n open .
P er for m H E ATE R VE RIF ICATION TE ST - VE R 1.
→ Repla ce t h e Ca bin H ea t er Assem bly in a ccor da n ce wit h t h e
Ser vice In for m a t ion . Rein st a ll t h e or igin a l Cir cu la t ion P u m p
Rela y.
P er for m H E ATE R VE RIF ICATION TE ST - VE R 1.
→ Repla ce t h e or igin a l Cir cu la t ion P u m p Rela y in a ccor da n ce wit h
t h e Ser vice In for m a t ion .
P er for m H E ATE R VE RIF ICATION TE ST - VE R 1.
Co n tin u e d
73
CABI N H EAT ER
AP P LICAB ILITY
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