Dodge Sprinter 2006 Manual page 2167

Discon n ect t h e live t est lea d befor e discon n ect in g
•
t h e com m on t est lea d.
Wh en u sin g t h e m et er fu n ct ion , keep t h e
•
DRBIII a wa y fr om spa r k plu g or coil wir es t o
a void m ea su r in g er r or fr om ou t side in t er fer en ce.
4.3 WARNINGS
4.3.1 VEHICLE DAMAGE WARNINGS
Befor e discon n ect in g a n y con t r ol m odu le, m a ke
su r e t h e ign it ion is lock posit ion . F a ilu r e t o do so
cou ld da m a ge t h e m odu le.
Wh en t est in g volt a ge or con t in u it y a t a n y con t r ol
m odu le, u se t h e t er m in a l side (n ot t h e wir e en d) of
t h e con n ect or. Do n ot pr obe a wir e t h r ou gh t h e
in su la t ion : t h is will da m a ge t h e wir e a n d even t u -
a lly ca u se t h e wir e t o fa il beca u se of cor r osion .
Be ca r efu l wh en per for m in g elect r ica l t est s so a s
t o pr even t a cciden t a l sh or t in g of t er m in a ls. Su ch
m ist a kes ca n da m a ge fu ses or com pon en t s. Also, a
secon d DTC cou ld be set , m a kin g dia gn osis of t h e
or igin a l pr oblem m or e difficu lt .
Wh en r epla cin g a blown fu se, it is im por t a n t t o
u se on ly a fu se h a vin g t h e cor r ect a m per a ge r a t in g.
Th e u se of a fu se wit h a r a t in g ot h er t h a n in dica t ed
m a y r esu lt in a da n ger ou s elect r ica l syst em over-
loa d. If a pr oper ly r a t ed fu se con t in u es t o blow, it
in dica t es a pr oblem in t h e cir cu it t h a t m u st be
cor r ect ed.
4.3.2 ROAD TESTING A COMPLAINT
VEHICLE
Som e com pla in t s will r equ ir e a t est dr ive a s pa r t
of t h e r epa ir ver ifica t ion pr ocedu r e. Th e pu r pose of
t h e t est dr ive is t o t r y t o du plica t e t h e dia gn ost ic
DTC or sym pt om con dit ion .
CAUTION: Before road testing a vehicle, be
sure that all components are reassembled.
During the test drive, do not try to read
DRBIII screen while in motion. Do not hang
the DRBIII from the rear view mirror or
operate it yourself.
available to operate the DRBIII .
Roa d t est in g is a n essen t ia l st ep in t h e dia gn ost ic
pr ocess t h a t m u st n ot be over looked. Alon g wit h t h e
dia gn ost ic in for m a t ion obt a in ed fr om t h e DRBIII
Sca n Tool a n d t h e or igin a l cu st om er con cer n , t h e
r oa d t est h elps ver ify t h e pr oblem wa s cu r r en t a n d
a n y r epa ir s per for m ed, fixed t h e veh icle cor r ect ly.
Alwa ys oper a t e a n d obser ve t h e veh icle u n der a c-
t u a l dr ivin g con dit ion s.
J u st a s im por t a n t a s t h e r oa d t est is, t h er e a r e
pr elim in a r y in spect ion s t h a t sh ou ld be per for m ed
pr ior t o t h e r oa d t est . Alwa ys ch eck t h e flu id level
Have an assistant
GEN ERAL I N FORM AT I ON
a n d con dit ion befor e t a kin g t h e veh icle on a r oa d
t est . Det er m in e if t h e in cor r ect flu id is bein g u sed,
im pr oper flu id will r esu lt in er r a t ic t r a n sm ission
oper a t ion .
Som e of t h e con dit ion s of in cor r ect flu id level a r e a s
follows:
Dela yed en ga gem en t
•
P oor sh ift in g or er r a t ic sh ift in g
•
E xcessive n oise
•
Over h ea t in g
•
Th e n ext st ep is t o ver ify t h a t t h e sh ift lin ka ge is
cor r ect ly a dju st ed. If t h e sh ift lin ka ge is in cor r ect ly
a dju st ed, a n u m ber of com pla in t s ca n r esu lt .
Th e TCM m on it or s t h e Sh ift Lever P osit ion (SLP )
con t in u ou sly. If t h e lin ka ge is in cor r ect ly a dju st ed,
t h e TCM will sen se a sh ift lever posit ion t h a t is n ot
cor r ect for t h e gea r ch osen by t h e dr iver. Th is m a y
ca u se a DTC t o be set .
Th e followin g com pla in t s m a y a lso be t h e r esu lt of
a n in cor r ect ly a dju st ed or wor n lin ka ge:
Dela yed clu t ch en ga gem en t
•
E r r a t ic sh ift s
•
Veh icle will dr ive in n eu t r a l
•
E n gin e will n ot cr a n k in pa r k or n eu t r a l
•
Gea r sh ift lin ka ge will be a ble t o be sh ift ed
•
wit h ou t t h e key in t h e ign it ion
Not a ble t o r em ove t h e ign it ion key in pa r k
•
P a r kin g pa wl will n ot en ga ge pr oper ly
•
Th e sh ift lin ka ge sh ou ld a lso be a dju st ed wh en
r epla cin g t h e Tr a n sm ission , r epa ir in g t h e va lve
body, or wh en r epa ir in g a n y com pon en t bet ween t h e
sh ift lever a n d t h e Tr a n sm ission .
Som e qu est ion s t o a sk you r self wh en per for m in g
t h e r oa d t est a r e a s follows:
Is t h e com pla in t or con cer n wh a t you t h in k t h e
•
pr oblem is, ba sed on t h e dr iver s descr ipt ion of t h e
pr oblem ?
Is t h e Tr a n sm ission oper a t in g n or m a lly, or is
•
t h er e a r ea l pr oblem ?
Wh en does t h e pr oblem occu r ?
•
Is t h e pr oblem on ly in on e gea r r a n ge?
•
Wh a t t em per a t u r e does t h e pr oblem occu r ?
•
Does t h e veh icle h a ve t o sit over n igh t for t h e
•
pr oblem t o occu r ?
Does t h e t r a n sm ission go in t o Lim p-in m ode?
•
4.4.4 BULLETINS AND RECALLS
Alwa ys per for m a ll Sa fet y Reca lls a n d Tech n ica l
Ser vice Bu llet in s t h a t a r e a pplica ble t o t h e pr ob-
lem .
7