Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Fail-safe Chart

• If a malfunction is detected in the 4WD ECU assembly, the 4WD ECU assembly may stop AWD control and transfer all torque to the front wheels, or function in a such a way as to prevent damage to the system.
• If a malfunction is detected in the sensor or actuator, current to the 4WD linear solenoid of the electro magnetic control coupling sub-assembly is cut. As a result, all torque is transferred to the front wheels.
• When a malfunction is detected in the AWD system, operations related to the malfunction will be prohibited. However, if the function is operating when the fail-safe function activates, the operation may be permitted to continue temporarily to prevent sudden changes in the vehicle condition.
• When the AWD system is malfunctioning, a warning message is displayed on the multi-information display to inform the driver.

Data List / Active Test

DATA LIST / ACTIVE TEST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faul ...

Linear Solenoid Power Supply System Malfunction (C120C)

DESCRIPTION This DTC is output by the 4WD ECU assembly if a malfunction occurs in the linear solenoid power supply system. DTC No. Detection Item DTC Detection Condition Trouble Area C120 ...

Other materials:

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Air Conditioning System: Passenger Side FACE Servo Motor Circuit (B1448/48)
DESCRIPTION The No. 1 air conditioning radiator damper servo sub-assembly (front passenger side mode) sends pulse signals to inform the air conditioning amplifier assembly of the damper position. The air conditioning amplifier assembly activates the motor (normal or reverse) based on these signals t ...

Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Outer Rear View Mirror Glass: Removal
REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH side and LH side. The following procedure is for the LH side. PROCEDURE 1. REMOVE OUTER MIRROR (a) Apply protective tape to the areas shown in the illustration. Protective Tape (b) Push the upper part of the mi ...