Reverse Signal Circuit
ComponentsLexus RX (RX 350L, RX450h) 2016-2026 Owners Manual > Steps to take in
an emergency: If your vehicle overheats
The following may indicate that your vehicle is overheating.
The needle of the engine coolant temperature gauge enters the
red zone, or a loss of hybrid system power is experienced. (For example, the
vehicle speed does not increase.)
"Engine Coolant Temp High Stop in a Safe Place See Owner ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Audio And Visual System (for 12.3 Inch Display): Vehicle Speed Signal Circuit between Navigation ECU and Combination Meter
DESCRIPTION The navigation ECU receives a vehicle speed signal from the combination meter assembly. HINT:
A voltage of 12 V or 5 V is output from each ECU and then input to the combination meter assembly. The signal is changed to a pulse signal at the transistor in the combination meter assembly. ...