DIAGNOSTIC FUNCTION
SMART WIRING SYSTEM (SWS)54B-8
DIAGNOSTIC FUNCTION
M2541003000642
DIAGNOSIS CODE SET
For more information about diagnosis code output,
refer to the Workshop Manual.
SWS INPUT SIGNAL CHECK USING
M.U.T.-III
When the M.U.T.-III is connected to the diagnosis
connector and any of the SWS-linked switches is
operated, the PC buzzer sounds to evaluate whether
the switch is normal or not.
SWS INPUT SIGNAL CHECK AND ECU
CHECK BY USING SWS MONITOR
The switch signals sent by ECUs and the operations
of these ECUs can be confirmed by using the SWS
monitor and the M.U.T.-III.
INPUT SIGNALS THAT CAN BE CHECKED
Input signalCondition for sounding buzzerDisplay on
M.U.T.-III (when
SWS monitor is
used)
Ignition switch (ACC)Turn from "LOCK" (OFF) to "ACC" positionfrom OFF to ON
Ignition switch (IG1)Turn from "ACC" to "ON" positionfrom OFF to ON
Key reminder switchRemove the ignition key from ignition key cylinder
(form inserted position)from OFF to ON
Hazard lamp switchTurn from OFF to ONfrom OFF to ON
Fog lamp switch
Remote controlled mirror
switch (unfolding/folding
switch)
Speed signal When the speed changes from less than 10 km/h to
more than 10 km/hDisplays the
vehicle speed
Cranking signalWhile the ignition switch is in START position (while
cranking the engine)−
Selector lever P position signal
(parking)When the selector lever is shifted to the "P" position
(Ignition switch: ON or START)−
Selector lever R position signal
(reverse)When the selector lever is shifted to the "R" position
(Ignition switch: ON or START)−
Buzzer triggered by
ETACS-ECU
*1
When the following conditions are satisfied
•Ignition switch: LOCK (OFF) position
•Lighting switch: ON
•Driver’s door switch: ON (Driver’s door: OPEN)
ON
When requirements for sounding each warning buzzer
are not satisfiedOFF
Door switchDriver’s doorWhen door(s) or tailgate is opened from the closed
positionfrom OFF to ON
Passenger’s
door
Rear door
All door switchA door is opened when all the doors are closedfrom OFF to ON