Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Automatic Transaxle System: Fail-safe Chart
FAIL-SAFE CHART Description The fail-safe function minimizes the loss of operation when a malfunction occurs in a sensor or solenoid. Fail-safe (a) Fail-safe control list: Malfunctioning Part Function Transmission Revolution Sensor (NT)
Shifting to 2nd and 8th gear is prohibited.
Loc ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: ECM Power Source Circuit
DESCRIPTION When the engine switch is turned on (IG), the battery voltage is applied to the IGSW terminal of the ECM. The output signal from the MREL terminal of the ECM causes a current to flow to the coil of the semiconductor pwr integration ECU (EFI-MAIN relay), closing the contacts and supplying ...