Lexus IS250 · Service Manual ENGINE

SYSTEM DIAGRAM

System information

A109230E06
Communication table: 
Transmitting ECU
(Transmitter)
Receiving ECU
(Receiver)
Signal
Communication method
ECM
Power source control ECU
Engine rotation signal
CAN/BEAN
Meter ECU
Power source control ECU
Vehicle speed signal
BEAN/Local communication
Steering lock ECU
Power source control ECU
Steering lock/unlock signal
LIN/Local communication
Shift lock control ECU
Power source control ECU
Shift position signal
BEAN/Local communication
Certification ECU
Power source control ECU
LIN master signal
LIN
Power source control ECU
Certification ECU
ID required signal
LIN
Key existence condition signal
BEAN
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