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Home >> Lexus >> 2019 >> RX 450hL >> Repair and Diagnosis >> External Pages >> Different car >> Section 6 (Cruise Control System (Diagnostics - Introduction)) >> Cruise Control System >> System Diagram [08/2016 - 12/2017] >> System Diagram [08/2016 - 12/2017]
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System Diagram [08/2016 - 12/2017]

WARNING: This page is about a different car, the 2017 Lexus RX 450h and 2016 Lexus RX 450h. However, it is still accessible from the selected car via links, so may be relevant.
Fig 1: Cruise Control System Diagram [08/2016 - 12/2017] (1 Of 2)
GTY631358Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Cruise Control System Diagram [08/2016 - 12/2017] (2 Of 2)
GTY623833Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
COMMUNICATION TABLE

Transmitting ECU (Transmitter) Receiving ECU Signal Communication Method
Hybrid Vehicle Control ECU Assembly Combination Meter Assembly
  • Cruise Control Indicator
  • Cruise Control SET Indicator
  • Multi-information Display
  • Cruise control indicator and cruise control SET indicator operation signal
  • Control vehicle speed signal
CAN
Skid Control ECU Assembly Hybrid Vehicle Control ECU Assembly
  • Wheel speed signal
  • Speed sensor power drop signal
  • Speed sensor condition signal
  • Cruise control cancel request signal
  • Under VSC control signal
  • Under TRC control signal
CAN