Diagnostic Trouble Codes - Dodge Sprinter 2006 Manual

GEN ERAL I N FORM AT I ON
loa ds a r e con n ect ed t o ca bles a n d m ou n t ed in a
st or a ge ca se. Th e ca bles ca n be dir ect ly con n ect ed t o
som e a ir ba g syst em con n ect or s. J u m per s a r e u sed
t o con ver t t h e loa d t ool ca ble con n ect or s t o t h e ot h er
a ir ba g syst em con n ect or s. Th e a da pt er s a r e con -
n ect ed t o t h e m odu le h a r n ess con n ect or t o open
sh or t in g clips a n d pr ot ect t h e con n ect or t er m in a l
du r in g t est in g. Wh en u sin g t h e loa d t ool follow a ll of
t h e sa fet y pr ocedu r es in t h e ser vice in for m a t ion for
discon n ect in g a ir ba g syst em com pon en t s. In spect
t h e wir in g, con n ect or a n d t er m in a ls for da m a ge or
m isa lign m en t . Su bst it u t e t h e a ir ba g loa d t ool in
pla ce of a Dr iver or P a ssen ger Air ba g, sea t belt
t en sion er, clockspr in g (u se a ju m per if n eeded).
Th en follow a ll of t h e sa fet y pr ocedu r es in t h e
ser vice in for m a t ion for con n ect in g a ir ba g syst em
com pon en t s. Rea d t h e m odu le a ct ive DTCs. If t h e
m odu le r epor t s NO ACTIVE DTCs t h e defect ive
com pon en t s h a s been r em oved fr om t h e syst em a n d
sh ou ld be r epla ced. If t h e DTC is st ill a ct ive, con -
t in u e t h is pr ocess u n t il a ll com pon en t s in t h e cir cu it
h a ve been t est ed. Th en discon n ect t h e m odu le con -
n ect or a n d con n ect t h e m a t ch in g a da pt er t o t h e
m odu le con n ect or. Wit h a ll a ir ba gs discon n ect ed
a n d t h e a da pt er in st a lled t h e squ ib wir in g ca n be
t est ed for open a n d sh or t ed con dit ion s.

3.1.6 DIAGNOSTIC TROUBLE CODES

Air ba g dia gn ost ic t r ou ble codes con sist of a ct ive
a n d st or ed codes. If m or e t h a n on e code exist s,
dia gn ost ic pr ior it y sh ou ld be given t o t h e a ct ive
codes. E a ch dia gn ost ic t r ou ble code is dia gn osed by
followin g a specific t est in g pr ocedu r e. Th e dia gn os-
t ic t est pr ocedu r es con t a in st ep-by-st ep in st r u ct ion s
for det er m in in g t h e ca u se of t h e t r ou ble codes. It is
n ot n ecessa r y t o per for m a ll of t h e t est s in t h is book
t o dia gn ose a n in dividu a l code. Alwa ys begin by
r ea din g t h e dia gn ost ic t r ou ble codes wit h t h e
DRBIII . Th is will dir ect you t o t h e specific t est (s)
t h a t m u st be per for m ed. In cer t a in t est pr ocedu r es
wit h in t h is m a n u a l, dia gn ost ic t r ou ble codes a r e
u sed a s a dia gn ost ic t ool.
3.1.6.1 ACTIVE CODES
If t h e la m p r em a in s on , t h er e cou ld be a n a ct ive
DTC in t h e syst em . Th e code becom es a ct ive a s soon
a s t h e m a lfu n ct ion is det ect ed or key-on , wh ich ever
occu r s fir st . An a ct ive t r ou ble code in dica t es a n
on -goin g m a lfu n ct ion . Th is m ea n s t h a t t h e defect is
cu r r en t ly t h er e ever y t im e t h e a ir ba g con t r ol m od-
u le ch ecks t h a t cir cu it or com pon en t . Som e DTCs,
In t er n a l Modu le a n d squ ib DTCs, will keep t h e
in dica t or illu m in a t ed even if t h ey a r e n o lon ger
a ct ive. If t h e la m p is on a n d n o a ct ive codes a r e
pr esen t , cyclin g t h e ign it ion swit ch off a n d t h en on
will r efr esh t h e la m p st a t e. It is im possible t o er a se
a n a ct ive code.
3.1.6.2 STORED CODES
Air ba g codes a r e a u t om a t ica lly st or ed in t h e
ACM's m em or y a s soon a s t h e m a lfu n ct ion is de-
t ect ed. A st or ed code in dica t es t h er e wa s a n a ct ive
code pr esen t a t som e t im e. St or ed dia gn ost ic t r ou -
ble code will r em a in st or ed u n t il er a sed by t h e DRB.
If a m a lfu n ct ion is n ot a ct ive wh ile per for m in g a
dia gn ost ic t est pr ocedu r e, t h e a ct ive code dia gn ost ic
t est will n ot loca t e t h e sou r ce of t h e pr oblem . In t h is
ca se, t h e st or ed code ca n in dica t e a n a r ea t o in spect .
Ma in t a in a sa fe dist a n ce fr om a ll a ir ba gs wh ile
per for m in g t h e followin g in spect ion . If n o obviou s
pr oblem s a r e fou n d, er a se st or ed codes, a n d wit h
t h e ign it ion on wiggle t h e wir e h a r n ess a n d con n ec-
t or s, r ot a t e t h e st eer in g wh eel fr om st op t o st op.
Rech eck for codes per iodica lly a s you wor k t h r ou gh
t h e syst em . Th is pr ocedu r e m a y u n cover a m a lfu n c-
t ion t h a t is difficu lt t o loca t e.
3.2 COMMUNICATION
3.2.1 COMMUNICATION K-LINES
Th e K-Lin es a r e a gr ou p of cir cu it s t h a t con n ect
ea ch con t r ol m odu le t o t h e Da t a Lin k Con n ect or
(DLC). E a ch con t r ol m odu le is con n ect ed t o t h e DLC
wit h a sin gle K-Lin e. Th e DRBIII u ses t h e K-Lin e
t o com m u n ica t e wit h ea ch con t r ol m odu le. Wit h t h e
u se of t h e K-Lin es t h e DRBIII is a ble t o r ea d ea ch
con t r ol m odu les DTCs, sen sor displa ys, I/Os et c. If
DRBIII com m u n ica t ion s wit h a pa r t icu la r con t r ol
m odu le is lost , on e of t h e possible ca u ses cou ld be a
fa u lt in t h e m odu le's K-Lin e.
NOTE: It is important to note the DRBIII
uses the K-Lines
monitoring functions
connected to the CAN data bus network.
Th e followin g m odu les t h a t u se t h e K-lin e on t h is
veh icle a r e:
Air ba g Con t r ol Modu le (ACM)
•
Au t om a t ic Tem per a t u r e Con t r ol (ATC)
•
Ca bin H ea t er Modu le (CH M)
•
Cen t r a l Tim er Modu le (CTM)
•
Con t r oller An t ilock Br a ke (CAB)
•
E n gin e Con t r ol Modu le (E CM)
•
H ea t er Boost er Modu le (H BM)
•
In st r u m en t Clu st er (IC)
•
Sh ift er Assem bly (SA)
•
Secu r it y Syst em Modu le (SSM)
•
Sen t r y Key Rem ot e E n t r y Modu le (SKRE E M)
•
Tr a n sm ission Con t r ol Modu le (TCM)
•
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for diagnostic and
and is no way