SYSTEM DIAGRAM
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Seat Heater System: Operation Check
OPERATION CHECK CHECK FRONT SEAT HEATER (a) Turn the engine switch on (IG). (b) Turn the refreshing seat switch (for front side) (heater position) on and check that the indicator illuminates and the surface of the front seat warms up. (c) Check that the front seat surface temperature changes accordi ...
Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Sfi System: Fuel Rail Pressure Sensor (Low) / Fuel Rail Pressure Sensor "B" Circuit Short to Ground (P107A11)
DESCRIPTION The fuel pressure sensor (for low pressure side) replaces the fuel pressure with electrical signals and outputs them to the ECM. The ECM controls the optimal fuel pressure for the operation conditions to reduce the fuel pump power consumption and improve fuel economy. DTC No. Detec ...