System Coverage; Six-Step Troubleshooting Procedure; Identification Of System; System Description And Functional Operation - Chrysler Sebring 2005 Service Manual

1 .0 I N T RODU CT I ON
Th e pr ocedu r es con t a in ed in t h is m a n u a l in clu de
a ll t h e specifica t ion s, in st r u ct ion s, a n d gr a ph ics
n eeded t o dia gn ose t h e Ma r k 25e An t ilock Br a kin g
Syst em (ABS). Th e dia gn ost ics in t h is m a n u a l a r e
ba sed on t h e fa ilu r e con dit ion or sym pt om bein g
pr esen t a t t im e of dia gn osis.
P lea se follow t h e r ecom m en da t ion s below wh en
ch oosin g you r dia gn ost ic pa t h .
1. F ir st m a ke su r e t h e DRBIII is com m u n ica t in g
wit h t h e An t i-Lock Br a ke Modu le (ABM). If t h e
DRBIII displa ys a "No Respon se" con dit ion , you
m u st dia gn ose t h a t fir st .
2. Rea d a n d r ecor d DTC's (dia gn ost ic t r ou ble codes)
a n d F r eeze F r a m e in for m a t ion wit h t h e DRBIII .
3. If n o DTC's a r e pr esen t , iden t ify t h e cu st om er
com pla in t .
4. On ce t h e DTC or cu st om er com pla in t is iden t i-
fied, loca t e t h e m a t ch in g t est in t h e Ta ble of
Con t en t s a n d begin t o dia gn ose t h e sym pt om .
All com pon en t loca t ion views a r e in Sect ion 8.0.
All con n ect or pin ou t s a r e in Sect ion 9.0. All sch e-
m a t ics a r e in Sect ion 10.0.
An a st er isk (*) pla ced befor e t h e sym pt om de-
scr ipt ion in dica t es a con cer n wit h n o a ssocia t ed
DTC.
Wh en r epa ir s a r e r equ ir ed, r efer t o t h e a ppr opr i-
a t e ser vice m a n u a l for t h e pr oper r em ova l a n d
r epa ir pr ocedu r e.
Dia gn ost ic pr ocedu r es ch a n ge ever y yea r. New
dia gn ost ic syst em s m a y be a dded; ca r r y over sys-
t em s m a y be en h a n ced. RE AD TH IS MANUAL
BE F ORE TRYING TO DIAGNOSE A VE H ICLE
CODE . It is r ecom m en ded t h a t you r eview t h e
en t ir e m a n u a l t o becom e fa m ilia r wit h a ll n ew a n d
ch a n ged dia gn ost ic pr ocedu r es.
Aft er u sin g t h is book, if you h a ve a n y com m en t s
or r ecom m en da t ion s, plea se fill ou t t h e for m a t t h e
ba ck of t h e book a n d m a il it ba ck t o u s.

1.1 SYSTEM COVERAGE

Th is dia gn ost ic pr ocedu r e m a n u a l cover s t h e
Teves Ma r k 25e An t ilock Br a kin g Syst em (ABS)
fou n d on t h e 2005 (J R) Sebr in g/St r a t u s.
1.2 SIX-STEP TROUBLESHOOTING
PROCEDURE
Dia gn osis of t h e ABM is don e in six ba sic st eps:
ver ifica t ion of com pla in t
•
ver ifica t ion of a n y r ela t ed sym pt om s
•
sym pt om a n a lysis
•
pr oblem isola t ion
•
GEN ERAL I N FORM AT I ON
r epa ir of isola t ed pr oblem
•
ver ifica t ion of pr oper oper a t ion
•
2 .0 I DEN T I FI CAT I ON OF
SY ST EM
Veh icles equ ipped wit h t h e Teves Ma r k 25e a n -
t ilock br a ke syst em ca n be iden t ified by t h e pr es-
en ce of t h e a n t ilock br a ke m odu le wit h a 47-wa y
con n ect or.
Th e pr esen ce of t h e Tr a ct ion Con t r ol syst em is
in dica t ed by t h e swit ch a n d bu lb ch eck.
3 .0 SY ST EM DESCRI PT I ON AN D
FU N CT I ON AL OPERAT I ON
3.1 TEVES MARK 25e SYSTEM
DESCRIPTION
Th e An t ilock Br a ke Modu le (ABM) is u sed t o
m on it or wh eel speeds a n d t o m odu la t e (con t r ol)
h ydr a u lic pr essu r e in ea ch br a ke ch a n n el. Th e
m odu la t ed h ydr a u lic pr essu r e is u sed t o pr even t
wh eel lock-u p du r in g br a kin g.
Th e Teves Ma r k 25e syst em u ses a dia gon a l split
h ydr a u lic br a ke syst em . In t h e st a n da r d br a ke
m ode t h e m a st er cylin der pr im a r y cir cu it su pplies
pr essu r e t o t h e r igh t fr on t a n d left r ea r wh eel
br a kes, a n d t h e secon da r y m a st er cylin der cir cu it
su pplies pr essu r e t o t h e left fr on t a n d r igh t r ea r
wh eel br a kes.
All veh icles equ ipped wit h ABS u se E lect r on ic
Va r ia ble Br a ke P r opor t ion in g (E VP B) t o ba la n ce
fr on t -t o-r ea r br a kin g wh en br a kes a r e a pplied in
t h e pa r t ia l br a kin g r a n ge.
3.2 TRACTION CONTROL SYSTEM (TCS)
DESCRIPTION (IF EQUIPPED)
Th e m a in pu r pose of t r a ct ion con t r ol is t o r edu ce
wh eel slip a n d m a in t a in t r a ct ion a t t h e dr iven
wh eels wh en r oa d su r fa ces a r e slipper y. Th e t r a c-
t ion con t r ol syst em r edu ces wh eel slip by br a kin g
t h e wh eel t h a t is losin g t r a ct ion . Th e syst em is
design ed t o oper a t e a t speeds below 56 km /h (35
m ph ).

3.3 SYSTEM COMPONENTS

AB S
a n t i-lock br a ke m odu le (ABM)
•
va cu u m boost er
•
m a st er cylin der
•
1