Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Dynamic Torque Control Awd System: Lost Communication with ECM / PCM "A" (U0100,U0126,U0129)
DESCRIPTION The 4WD ECU assembly receives signals from the ECM, skid control ECU (brake actuator assembly) and steering sensor via CAN communication. When DTCs indicating a CAN communication system malfunction are output, repair the CAN communication system before repairing each corresponding sensor ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Sfi System: Starter Signal Circuit
DESCRIPTION While the engine is being cranked, current flows from terminal STAR of the certification ECU (smart key ECU assembly) to the park/neutral position switch assembly and to terminal STA of the ECM (STA signal). WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits r ...