Dodge Sprinter 2006 Manual page 814

5 - 30 BRAKES - ABS
BRAKES - ABS
SPECIFICATIONS - TORQUE CHART
ELECTRICAL
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 30
OPERATION . . . . . . . . . . . . . . . . . . . . . . . . . . . 30
FRONT WHEEL SPEED SENSOR
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 31
REAR WHEEL SPEED SENSOR
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 32
TONE WHEEL
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 32
INSTALLATION . . . . . . . . . . . . . . . . . . . . . . . . . 32
STEERING ANGLE SENSOR
DESCRIPTION . . . . . . . . . . . . . . . . . . . . . . . . . 32
BRAK ES - ABS
SPECIFICA TIONS - TORQUE CHART
DESCRIPTION
Brake Lines To Hydraulic
unit
ELECT RI CAL
DESCRIPTION
NOTE: Wheel speed sensor should be installed all
the way into the clamping bushings, the wheel
speed sensor will self adjust when the vehicle is
moved.
Th e ABS br a ke syst em u ses 4 wh eel speed sen sor s.
A sen sor is m ou n t ed t o ea ch fr on t h u b/bea r in gs in
t h e fr on t . A r ea r sen sor is m ou n t ed t o ea ch r ea r su p-
por t pla t e.
OPERA TION
Th e Wh eel Speed Sen sor con sist s of a m a gn et su r-
r ou n ded by win din gs fr om a sin gle st r a n d of wir e.
Th e sen sor sen ds a sm a ll AC sign a l t o t h e CAB. Th is
sign a l is gen er a t ed by m a gn et ic in du ct ion . Th e m a g-
BRAK ES - ABS
TABLE OF CONTENTS
page
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . 30 INSTALLATION
LATERAL ACCELERATION SENSOR
DESCRIPTION
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 33
INSTALLATION
YAW RATE SENSOR
DESCRIPTION
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 35
INSTALLATION
HCU (HYDRAULIC CONTROL UNIT)
DESCRIPTION
REMOVAL . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 36
INSTALLATION
T ORQU E SPECI FI CAT I ON S
N·m
16
n et ic in du ct ion is cr ea t ed wh en a t oot h ed sen sor r in g
(excit er r in g or t on e wh eel) pa sses t h e st a t ion a r y
m a gn et ic WSS.
Wh en t h e r in g gea r is r ot a t ed, t h e excit er r in g
pa sses t h e t ip of t h e WSS. As t h e excit er r in g t oot h
a ppr oa ch es t h e t ip of t h e WSS, t h e m a gn et ic lin es of
for ce expa n d, ca u sin g t h e m a gn et ic field t o cu t a cr oss
t h e sen sor 's win din gs. Th is, in t u r n ca u ses cu r r en t t o
flow t h r ou gh t h e WSS cir cu it (F ig. 1) in on e dir ec-
t ion . Wh en t h e excit er r in g t oot h m oves a wa y fr om
t h e sen sor t ip, t h e m a gn et ic lin es of for ce colla pse
cu t t in g t h e win din g in t h e opposit e dir ect ion . Th is
ca u ses t h e cu r r en t t o flow in t h e opposit e dir ect ion .
E ver y t im e a t oot h of t h e excit er r in g pa sses t h e t ip
of t h e WSS, a n AC sign a l is gen er a t ed. E a ch AC sig-
n a l (posit ive t o n ega t ive sign a l or sin ewa ve) is in t er-
pr et ed by t h e CAB. It t h en com pa r es t h e fr equ en cy of
t h e sin ewa ve t o a t im e va lu e t o ca lcu la t e veh icle
speed. Th e CAB con t in u es t o m on it or t h e fr equ en cy
. . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . . . . . . . . . . . . . . . . . . 33
. . . . . . . . . . . . . . . . . . . . . . . . . 34
. . . . . . . . . . . . . . . . . . . . . . . . . 35
. . . . . . . . . . . . . . . . . . . . . . . . . 36
. . . . . . . . . . . . . . . . . . . . . . . . . 36
. . . . . . . . . . . . . . . . . . . . . . . . . 37
Ft. Lbs.
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In. Lbs.
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