Dodge Sprinter 2006 Manual page 78

CABI N H EAT ER
A. HEATER P RE-TES T —
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.
N OTE: Th e h e a te r's c o n tro l u n it w ill s to re u p to fiv e D TCs in its m e m o ry.
N OTE: If th e h e a te r's c o n tro l u n it d e te c ts a n e w fa u lt in th e s y s te m , o n e th a t
is n o t a lre a d y s to re d in its m e m o ry, it w ill c le a r th e o ld e s t o f th e fiv e s to re d
D TCs , a n d it w ill s to re th e n e w fa u lt's D TC.
N OTE: If th e h e a te r's c o n tro l u n it d e te c ts a re o c c u rre n c e o f a s to re d fa u lt,
it w ill o v e rw rite th a t fa u lt's D TC w ith th e m o s t re c e n t o c c u rre n c e .
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 or H ea t er Boost 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 , r ecor d a n d er a se t h e Ca bin H ea t er or H ea t er Boost 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 or H ea t er Boost 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 or H ea t er Boost er on . If oper a ble, 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 swit ch
t h e h ea t er off.
Does t h e DRBIII displa y a n y DTCs?
Yes
No
Co n tin u e d
ACTION
→ If t h e H ea t er In Lockou t Mode DTC is pr esen t , r ecor d a n d er a se
DTCs befor e per for m in g a n y dia gn ost ic pr ocedu r es. Ret u r n t o t h e
sym pt om list a n d ch oose t h e sym pt om (s).
P er for m H E ATE R VE RIF ICATION TE ST - VE R 1.
→ Go To 3
70
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