Lexus IS250 · Service Manual BODY

SYSTEM DIAGRAM

System information

B126230E01
Communication tableĀ 
Sender
Receiver
Signal
Line
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch LH (Position Control ECU)
Wireless door unlock signal
BEAN
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch LH (Position Control ECU)
Smart door unlock signal
BEAN
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch LH (Position Control ECU)
Brake indicator ON signal
BEAN
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch RH (Position Control ECU)
Brake indicator ON signal
BEAN
Power Source Control ECU
Front Power Seat Switch LH (Position Control ECU)
Key code check signal
BEAN
Combination Meter ECU
Front Power Seat Switch LH (Position Control ECU)
Vehicle speed signal
BEAN
Combination Meter ECU
Front Power Seat Switch RH (Position Control ECU)
Vehicle speed signal
BEAN
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch LH (Position Control ECU)
Key ID signal
BEAN
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch LH (Position Control ECU)
Driver side door courtesy light switch signal
BEAN
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch LH (Position Control ECU)
Engine switch on (IG) signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU LH
M1 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU LH
M2 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU LH
M3 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU LH
M1 switch call command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU LH
M2 switch call command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU LH
M3 switch call command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Multiplex Tilt & Telescopic ECU
M1 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Multiplex Tilt & Telescopic ECU
M2 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Multiplex Tilt & Telescopic ECU
M3 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Multiplex Tilt & Telescopic ECU
M1 switch call command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Multiplex Tilt & Telescopic ECU
M2 switch call command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Multiplex Tilt & Telescopic ECU
M3 switch call command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Multiplex Tilt & Telescopic ECU
Tilt & telescopic call permission signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Multiplex Tilt & Telescopic ECU
Tilt & telescopic call prohibit signal
BEAN
Multiplex Tilt & Telescopic ECU
Front Power Seat Switch LH (Position Control ECU)
Tilt & telescopic call start signal
BEAN
Multiplex Tilt & Telescopic ECU
Front Power Seat Switch LH (Position Control ECU)
Tilt & telescopic call completion signal
BEAN
Outer Mirror Control ECU LH
Front Power Seat Switch LH (Position Control ECU)
SET switch ON signal
BEAN
Outer Mirror Control ECU LH
Front Power Seat Switch LH (Position Control ECU)
M1 switch ON signal
BEAN
Outer Mirror Control ECU LH
Front Power Seat Switch LH (Position Control ECU)
M2 switch ON signal
BEAN
Outer Mirror Control ECU LH
Front Power Seat Switch LH (Position Control ECU)
M3 switch ON signal
BEAN
ECM
Front Power Seat Switch LH (Position Control ECU)
Shift position P signal
BEAN
Certification ECU
Front Power Seat Switch LH (Position Control ECU)
Memory call command signal
BEAN
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch RH (Position Control ECU)
Passenger side door courtesy light switch signal
BEAN
Main Body ECU RH (Cowl Side J/B RH)
Front Power Seat Switch RH (Position Control ECU)
Engine switch on (IG) Signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU RH
M1 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU RH
M2 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU RH
M3 switch memory command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU RH
M1 switch call command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU RH
M2 switch call command signal
BEAN
Front Power Seat Switch LH (Position Control ECU)
Outer Mirror Control ECU RH
M3 switch call command signal
BEAN
Outer Mirror Control ECU RH
Front Power Seat Switch RH (Position Control ECU)
SET switch ON signal
BEAN
Outer Mirror Control ECU RH
Front Power Seat Switch RH (Position Control ECU)
M1 switch ON signal
BEAN
Outer Mirror Control ECU RH
Front Power Seat Switch RH (Position Control ECU)
M2 switch ON signal
BEAN
Outer Mirror Control ECU RH
Front Power Seat Switch RH (Position Control ECU)
M3 switch ON signal
BEAN
ECM
Front Power Seat Switch RH (Position Control ECU)
Shift position P signal
BEAN
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