FixVault

System Diagram

Fig 1: Smart Key System Diagram
G04473178Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
SENDER RECEIVER SIGNAL REFERENCE

Sender Receiver Signal Line
Hybrid vehicle control ECU Power source control ECU
  • Shift position signal (power source control)
  • Drive OK signal (power stop control)
  • Stop switch signal (power source control)
BEAN
Meter Power source control ECU Vehicle speed signal (power source control) BEAN
Body ECU Power source control ECU
  • Diagnosis erasure
  • Diagnostic tool request
  • Door lock position signal (driver, passenger and rear doors) (power switch illumination control)
  • Courtesy switch signal (driver, passenger and rear doors) (power switch illumination control)
  • Vehicle model signal (power source control switch)
  • IG switch signal (power source control)
  • ACC switch signal (power source control)
  • Key switch signal (key lock control)
  • Fading dome light illumination request signal (power switch illumination control)
  • Taillight illumination signal (power switch illumination control)
  • All doors courtesy switch signal (power switch illumination control)
BEAN
Steering lock ECU Power source control ECU Immobilizer information signal (power source control) BEAN
Power source control ECU Body ECU Power switch signal (for security cancel) BEAN
Power source control ECU Steering lock ECU
  • Immobilizer ID match request signal (ID match start at power ON)
  • Key insertion status signal (for immobilizer control)
BEAN
Transmission control ECU Power source control ECU
  • P status signal (key interlock control)
  • P control ECU malfunctioning status signal (power source control, key lock control)
  • Auto P cancel signal (power source control, key lock control)
  • NP status signal (power source control, key lock control)
  • Auto P OK signal (power source control, key lock control)
BEAN
Certification ECU Power source control ECU
  • Immobilizer ID match request signal (smart ignition control)
  • Key insertion status signal (smart ignition control)
  • Key code confirmation signal (wireless control)
BEAN
Theft warning ECU Power source control ECU Power switch signal (for security set and cancel) BEAN
Power source control ECU Transmission control ECU Power source OFF ready signal (power source AUTO OFF control) BEAN