GENERAL DESCRIPTION
SIMPLIFIED WIRING SYSTEM (SWS)54B-2
GENERAL DESCRIPTION
COMMUNICATION METHODM1549013000547
As shown in the figure, SWS communications con-
nect the ETACS*
1-ECU, the column switch (in the
column-ECU), the front-ECU, and the sunroof-ECU.
CAN*
2*3 communications connect the ETACS-ECU,
the powertrain control module, the A/C-ECU, the
SRS-ECU, the combination meter, the ABS-ECU,
and the middle-grade multi center display. These two
communications groups are connected to form a
dedicated network for sending multiplex data.NOTE: *
1ETACS: Electronic Time and Alarm Control
System
NOTE: *
2CAN: Controller Area Network
NOTE: *
3: For details on CAN, see Group 54C.
OPERATIONM1549013100566
TONE ALARM FUNCTION
.
TRIP COMPUTER TONE ALARM FUNC-
TION
The ETACS-ECU sounds the buzzer when the
buzzer signal is sent from the combination meter.
.
LAMP REMINDER TONE ALARM
FUNCTION
When the taillamps or headlamps are ON, if the igni-
tion key is on "OFF" and the driver's door is opened,
a tone alarm will sound continuously to warn that the
lamp is illuminated. However, if the taillamps or
headlamps have been turned off by the headlamp
automatic-shutdown function, the tone alarm will not
sound.
.
