Circ Pump Control Open - Dodge Sprinter 2006 Manual

CABI N H EAT ER
S y m p to m :
CIRC P U MP CON TROL OP EN
GROUND CIRCUIT OP E N
CIRCULATION P UMP RE LAY H IGH SIDE CONTROL CIRCUIT OP E N
CIRCULATION P UMP RE LAY
CABIN H E ATE 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.
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 bet ween gr ou n d a n d t h e Gr ou n d cir cu it (Cir cu la t ion P u m p
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
P OS S IB LE CAU S ES
ACTION
→ Go To 2
→ Repa ir t h e Gr ou n d cir cu it for a n open .
P er for m H E ATE R VE RIF ICATION TE ST - VE R 1.
72
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