Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Parts Location

IG Power Source Circuit

DESCRIPTION When the engine switch is turned on (IG), the IG power source circuit supplies positive (+) voltage to the multiplex tilt and telescopic ECU. The multiplex tilt and telescopic ECU also rec ...

Precaution

PRECAUTION PRECAUTION FOR DISCONNECTING CABLE FROM NEGATIVE BATTERY TERMINAL NOTICE: When disconnecting the cable from the negative (-) battery terminal, initialize the following system(s) after the c ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual > Can Communication System: Front Camera Module Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Front Camera Module Communication Stop Mode Either condition is met: "Front Camera Module" is not displayed on the CAN Bus Check screen of the Techstream. Click here Communication system DTCs (DTCs that start with U) that corresp ...

Lexus RX (RX 350L, RX450h) 2016-2025 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 ...