LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2007 >> GS 430 >> Repair and Diagnosis >> Body & Frame >> Door Locks >> Door Lock >> Smart Access System With Push-Button Start >> System Diagram
April 5, 2026: LEMON Manuals is launched! Read the announcement.

System Diagram

Fig 1: Smart Access System With Push-Button Start System Diagram (1 Of 4)
G05299213Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Smart Access System With Push-Button Start System Diagram (2 Of 4)
G05299214Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Smart Access System With Push-Button Start System Diagram (3 Of 4)
G05299215Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Smart Access System With Push-Button Start System Diagram (4 Of 4)
G05299216Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SMART ACCESS SYSTEM WITH PUSH-BUTTON START SYSTEM DIAGRAM REFERENCE CHART

Sender Receiver Signal Line
Meter ECU Certification ECU
  • Speed signal
BEAN
Multiplex Network Rear ECU Certification ECU
  • Luggage compartment door courtesy light switch signal
BEAN
Cowl Side Junction Block ECU
LH
Certification ECU
  • IG signal
  • ACC signal
  • Inside illumination control signal for entry
  • Door courtesy light switch signal (Driver, passenger, rear doors)
  • Vehicle type handle signal
BEAN
Multiplex Network Body ECU Certification ECU
  • Luggage compartment door lock signal
BEAN
Multiplex Network Door ECU
Front LH
Certification ECU
  • Entry lock switch signal
BEAN
Multiplex Network Door ECU
Front RH
Certification ECU
  • Door lock position signal
  • Entry lock switch signal
BEAN
Multiplex Network Door ECU
Rear LH
Certification ECU
  • Door lock position signal
  • Entry lock switch signal
BEAN
Multiplex Network Door ECU
Rear RH
Certification ECU
  • Door lock position signal
  • Entry lock switch signal
BEAN
Steering Lock ECU Certification ECU
  • Encryption code signal Encryption code finish signal
  • Encryption calculate fixed number memory requirement signal
  • During entry control signal
LIN
Power Source Control ECU Certification ECU
  • Immobiliser ID entry required signal
  • P shift position condition signal
  • Key code check signal
BEAN / LIN
Certification ECU Meter ECU
  • Inside key existence information signal
  • Key battery information signal
  • Shift position warning signal
  • Inside buzzer single sound signal
  • Inside buzzer continuous sound signal
  • Door open indicate signal (Driver, passenger, rear doors)
BEAN
Certification ECU Multiplex Network Door ECU
Front LH
  • Door unlock standby control signal (Driver side)
  • Driver side illumination control signal for entry
BEAN
Certification ECU Multiplex Network Door ECU
Front RH
  • Door unlock standby control signal (Passenger side)
  • Front passenger side illumination control signal for entry
BEAN
Certification ECU Multiplex Network Door ECU
Rear LH
  • Door unlock standby control signal (Rear LH)
  • Rear LH side illumination control signal for entry
BEAN
Certification ECU Multiplex Network Door ECU
Rear RH
  • Door unlock standby control signal (Rear RH)
  • Rear RH side illumination control signal for entry
BEAN
Certification ECU Power Source Control ECU
  • IG signal
LIN
Certification ECU Steering Lock ECU
  • Replay code signal
LIN
Multiplex Network Master Switch Assembly Certification ECU
  • Door lock position signal (Driver side)
  • Key interlocking switch lock signal (Driver side)
  • Key interlocking switch unlock signal (Driver side)
BEAN
ECM Certification ECU
  • Engine rotation signal Shift position
  • P signal
BEAN / LIN
Immobiliser code ECU Certification ECU
  • DTC (B2791) signal
  • Matching request random number signal
LIN