SYSTEM DIAGRAM
1. CAN NO. 1 BUS
2. CAN NO. 2 BUS
3. CAN MS BUS
4. POWER MANAGEMENT BUS (w/ Smart Key System)
System Diagram
SYSTEM DIAGRAM
Transmitting ECU
(Transmitter)
Receiving ECU
Signal
Communication Method
ECM
Power Steering ECU
Engine speed signal
Engine variation inform ...
Precaution
PRECAUTION
1. PRECAUTION FOR DISCONNECTING THE BATTERY CABLE
NOTICE:
When disconnecting the cable from the negative (-) battery terminal, initialize
the following systems after the cable is reconnected:
System
See Procedure
...
Open in Driver Side Electrical Antenna Circuit (B27A1)
DESCRIPTION
The certification ECU (smart key ECU assembly) generates a request signal and
sends it to the electrical key oscillator built into the front door outside handle
assembly (for driver side) at 0.25-second intervals. To detect a key near the driv ...