Cruise Main Indicator Light Circuit [08/2013 - ]: Description

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.

The power management control ECU turns on the cruise control indicator light by sending indicator output demand signals to the combination meter assembly using CAN communication.
The cruise control indicator light illuminates when the cruise control system has been turned on using the ON-OFF switch. If a malfunction is detected, the cruise control indicator light goes out and a warning message is displayed.
The cruise control indicator light circuit uses CAN communication. If the cruise control indicator light is not functioning correctly, check for CAN communication DTCs before troubleshooting this circuit.