SYSTEM DIAGRAM

System Description
How To Proceed With TroubleshootingLexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Dynamic Torque Control Awd System: System Description
SYSTEM DESCRIPTION GENERAL DESCRIPTION The dynamic torque control AWD system detects the driving conditions based on signals from each ECU, switches, the steering sensor, the wheel speed sensor, and the acceleration sensor. The system controls the current passing through the 4WD linear solenoid of t ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Immobiliser System: Engine Immobiliser System Circuit Short to Battery (B279A12)
DESCRIPTION If the communication line (IMI - EFIO) between the ECM and ID code box (immobiliser code ECU) is stuck high, the ECM will store this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area Note B279A12 Engine Immobiliser System Circuit Short to Battery The com ...