Dosing Pump Open - Dodge Sprinter 2006 Manual

CABI N H EAT ER
S y m p to m :
D OS IN G P U MP OP EN
Wh e n Mo n ito re d a n d S e t Co n d itio n :
D OS IN G P U MP OP EN
Wh en Mon it or ed: Wit h t h e ign it ion on .
Set Con dit ion : Th is DTC will set if t h e h ea t er 's con t r ol u n it det ect s a bn or m a lly h igh
volt a ge on t h e Dosin g P u m p con t r ol cir cu it .
DOSING P UMP CONTROL CIRCUIT SH ORTE D H IGH
DOSING P UMP
DOSING P UMP CONTROL CIRCUIT OP E N
GROUND CIRCUIT OP E N
CABIN H E ATE R OR H E ATE R BOOSTE R CONTROL UNIT
TES T
1 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.
CAU TION : D O N OT P ERF ORM THIS TES T U N LES S D IRECTED HERE B Y
THE HEATER P RE-TES T. ALWAYS P ERF ORM THE HEATER P RE-TES T
P RIOR TO P ERF ORMIN G AN Y OTHER TES T F OR THE RES U LT TO B E
VALID .
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 or H ea t er Boost er 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 bet ween t h e Dosin g P u m p Con t r ol cir cu it a n d gr ou n d.
Is t h e volt a ge a bove 0.2 volt s?
Yes
No
P OS S IB LE CAU S ES
ACTION
→ Repa ir t h e Dosin g 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 H E ATE R VE RIF ICATION TE ST - VE R 1.
→ Go To 2
78
AP P LICAB ILITY
All