1.0 INTRODUCTION
The procedur es cont a in ed in th is m an u a l in clude
all th e specifica t ion s, in str u ct ion s an d gr a phics
needed t o diagn ose Sprin ter body syst em pr oblems.
The dia gn ost ics in th is m a nu a l ar e based on t h e
failur e con dit ion or sy m ptom bein g pr esen t a t th e
tim e of diagnosis.
Please follow t h e r ecomm enda t ions below when
choosin g you r dia gnost ic pa t h.
1. F ir st m a ke su r e t h e DRBI II" is com mu n icat in g
wit h th e appr opr iat e m odu les; i.e., if t h e
DRBII I" displa ys a ‘‘No Respon se’’ or a ‘‘Bus !
Sign als Open’’con dition , y ou mu st dia gn ose t h at
fir st .
2. Rea d DTC’s (dia gn ost ic t r ouble codes) wit h t h e
DRBII I".
3. If no DTC’s ar e pr esent , iden t ify t he cu st om er
compla in t .
4. Once t he DTC or custom er com pla in t is iden t i-
fied, loca te t h e m a tch ing t est in th e Ta ble of
Cont ent s a n d begin t o diagnose th e sympt om .
All com pon ent loca t ion views a re in Sect ion 8.0.
All con nect or pin out s a r e in Sect ion 9.0. All sch e-
ma t ics a r e in Sect ion 10.0. Al l Ch a r t s an d Gra ph s
ar e in Sect ion 11.0.
An * pla ced before the sympt om descr iption in di-
cat es a cu st omer com pla in t wit hou t a DTC.
Wh en r epa ir s a re requ ired, r efer t o th e appropr i-
at e ser vice infor m at ion for t he pr oper rem ova l a n d
repa ir pr ocedu r e.
Dia gn ost ic pr ocedu r es ch a nge ever y yea r. N ew
dia gn ost ic syst em s ma y be added: ca r ryover sys-
tem s ma y be en h a nced. RE AD THIS MAN UAL
BE F ORE TRYING TO DIAGNOSE A VEHICLE
DIAGNOSTIC TROUBLE CODE . It is r ecom -
men ded t ha t you r eview t h e en t ir e m an u a l t o be-
come fa m ilia r wit h a ll t he n ew an d ch a nged diag-
nost ic pr ocedu res.
Th is book reflect s m an y su ggest ed cha n ges fr om
rea der s of pa st issu es. Aft er u sing t h is book , if you
ha ve a ny com m en t s or su ggest ion s, plea se fill ou t
th e for m in t he ba ck of th is book a n d ma il it ba ck t o
us.
1.1 S Y S T EM COV ER AGE
Th is dia gn ost ic pr ocedu res m an u al cover s all
Spr in t er veh icles.
1.2 SIX-STEP TROUBLESHOOTING
PROCEDURE
Dia gn osis of t h e body syst em is don e in six ba sic
steps:
• ver ifica t ion of com pla int
• ver ifica t ion of a ny r ela t ed sym pt om s
• sym pt om a na lysis
• pr oblem isola t ion
• repa ir of isola t ed pr oblem
• ver ifica t ion of pr oper opera t ion
2.0 IDENTIFICATION OF
SY ST EM
Th e veh icle syst ems t h a t ar e pa rt of t h e ‘‘body’’
system are:
• Air ba g
• Aut om a tic Tem per at u re Con t rol
• Com mu n ica t ion
• Instr um ent Cluster
• Power Door Locks/RKE
• Veh icle Theft Secu rit y Syst em (VTSS)
• Wiper /Ra in Sen sor
3.0 SYSTEM DESCRIPTION AND
FU N CT I ON AL OPERAT I ON
Th e body syst em on t h e Spr int er con sists of a
combin at ion of m odu les th a t com mu n ica t e wit h
ea ch ot h er usin g t h e CAN Bu s (con tr oller a r ea
net work). Th r ough th e CAN Bu s, in for ma t ion a bou t
th e oper at ion of veh icle compon en ts a n d circu it s is
rela yed qu ickly t o t he a ppr opr ia t e m odu les. Sin ce
th e CAN bu s net wor k is for in t er m odu le com m un i-
cat ion on ly, th e DRBIII" ut ilizes K-Lines t o est a b-
lish comm u nica t ion s with ea ch modu le. It is im por -
ta n t to n ot e t he CAN bu s cir cuit s are by n o m ea ns
tied t o t h e K-Lin es. Th ey a r e com plet ely sepa r a t e
from ea ch ot h er. F or a ddit ion a l in for ma t ion on t h e
CAN bu s a n d th e K-Lin es, r efer to th e Com m un i-
cat ion sect ion of t h is gen era l in for ma t ion .
3.1 AIRBAG SYSTEM
Th e Spr in t er Air ba g Syst em con ta in s t h e follow-
in g com pon en t s:
• Air ba g Con t r ol Module (ACM)
• Air ba g Wa r n in g In dica t or (SRS)
• Dr iver Air ba gs
• Clockspr in g
• Pa ssen ger Airba g
• Dr iver Sea t Belt Ten sioner s
• Pa ssen ger Sea t Belt Ten sion er s
Th e Air ba g Cont r ol Modu le (ACM) h as five m a jor
fun ct ion s: on boa rd dia gn ost ics, det er min e t h e se-
ver it y of im pa cts, squ ib deploym ent a n d Acciden t
Response, K-Lin e com m u nica tion s. Th e ACM is
1
GEN ERAL I N FORM AT I ON
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