COMPONENTS
ILLUSTRATION

On-vehicle InspectionSystem Diagram
SYSTEM DIAGRAM
Communication Table
Sender
Receiver
Signal
Line
Main Body ECU
(Multiplex Network Body ECU)
Clearance Warning ECU Assembly
Destination information signal
CAN Communication Line
...
Entry Interior Alarm does not Sound
DESCRIPTION
The smart key system (for Entry Function) uses the buzzer in the combination
meter assembly to perform various vehicle interior warnings. When the conditions
of each warning are met, the certification ECU (smart key ECU assembly) sends a
buzzer activation request signal to the com ...
Check Bus 2 Lines for Short Circuit
DESCRIPTION
There may be a short circuit between the CAN main bus lines and/or CAN branch
lines when the resistance between terminals 18 (CA4H) and 17 (CA4L) of the central
gateway ECU (network gateway ECU) is below 54 Ω.
Detection Item
Trouble Area
Resi ...