Mitsubishi Lancer Evolution 8 Workshop Manual 2003 (16) PDF | Page 2

GENERAL INFORMATION
SIMPLIFIED WIRING SYSTEM (SWS)
54B-2
GENERAL INFORMATION
M2541000100167
SWS is a minimal line system which transmits
numerous signals using one wiring system.
To transmit numerous signals, the ETACS
*
-ECU, col-
umn switch and front-ECU incorporate multi-distribu-
tion circuits to carry out communication between
control units.
NOTE:
*
: ETACS (Electronic Time and Alarm Con-
trol System)
CONSTRUCTION DIAGRAM
COMMUNICATION METHOD
M2541001000130
The exclusive signal lines for transmitting the multi-
distribution data are connected as shown between
the ETACS-ECU, column switch (incorporated inside
the column ECU) and front-ECU for internal commu-
nication.
AC210681
AB
FRONT-ECU
ETACS-ECU
COLMUN SWITCH
AC210115
COLUMN
SWITCH
FRONT-ECU
ETACS-ECU
: BIDIRECTIONAL COMMUNICATION
: SINGLE-DIRECTION COMMUNICATION
AB