Tachometer Malfunction [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.
In this circuit, the combination meter assembly receives engine speed signals from the power management control ECU using the CAN communication system. The combination meter assembly displays the engine speed calculated based on the data received from the power management control ECU.