ecu chrysler

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Chrysler History

Logic Module 1984 -88

Power Module 1984-88

SMEC 1997

SBEC 1989

SBEC II 1991



1984 to 1988

• Logic Module ! "uel Syste# Co$trol

! Loc%ted i$ &%ssco#&%rt#e$t

! Si$gle or Multi&oi$ti$'ectio$

• Power Module ! Loc%ted i$ %ir i$let tu(e )or

cooli$g

! Co$trols %ctu%tors ! I$cludes ig$itio$* )uel

&u#&* i$'ectors %$dch%rgi$g syste#



Si$gle Poi$t +E"I,

• Pre 198* high

&ressure ./ PSI0

• )ter 198* low

&ressure .1423 PSI0• 1984-87 high side

i$'ector co$trol



S 5el%y

Power 6o Ig$itio$ coil* i$'ectors* He%ters*

"uel Pu#& .till 1990 %$d lter$%tor "ield



Power Logic Module Sche#%tic



:: ;<C



1987 SMEC

Both Logic Power ModuleLoc%ted i$ ir I$let 6u(e



1989 SBEC 1991 SBEC II

Si$gle Bo%rd E$gi$e Co$troller : PI; si$gle co$$ector2

C%r 6ruc= >ee&



• ;o ir Cooli$g• St%rt ) B II Ph%se I$• SBEC III till ::1

SBEC III 1993



• >6EC 199 to Prese$t• St%rt ) B II Ph%se I$• 5e&l%ced (y ;<C i$ ::23 .ur%$go0



:: ;<C ;e?t <e$er%tio$

Co$troller

•5e&l%ces SBEC .LH0 %$d >6EC .::23 ur%$go 4270

•I$cludes PCM* 6CM* %$d E6C

• lso st%rt o) ;@L

•Most (e &rogr%##ed %t i$st%ll%tio$

• ll Chryslers (y ::3



E"I P"I i$'ectors



5etur$less "uel



6h%$= Aou

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